ACS Nano|非贵金属燃料电池催化剂制备及表征【附仪器清单】
p strong 仪器信息网讯 /strong 近日,昆明理工大学分析测试研究中心杨喜昆课题组在非贵金属燃料电池催化剂制备及机理研究方面取得重要进展,相关研究成果以《Bottom-Up Construction of Active Sites in a Cu-N sub 4 /sub -C Catalyst for Highly Efficient Oxygen Reduction Reaction》为题,在国际期刊ACS Nano上发表。(ACS Nano为美国化学会(ACS)旗下顶级学术期刊,影响因子13.709) /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/6a8f812d-eaa5-4921-976d-2bcfeb1b0d4f.jpg" title=" 0.jpg" alt=" 0.jpg" width=" 600" height=" 235" border=" 0" vspace=" 0" style=" width: 600px height: 235px " / /p p 非贵金属(M-N-C)碳基催化剂具有替代Pt催化剂作为燃料电池阴极氧还原反应(ORR)催化剂的潜力,但制备高活性M-N-C碳基催化剂及表征其活性位结构是非常困难的。课题组通过设计一个含有M-N sub x /sub 配位结构特征的小分子进入碳材料中,从而自下而上的制备出活性位结构明确的Cu-N sub 4 /sub -C催化剂(见下图)。运用原子分辨率的球差校正扫描透射电镜(Aberration-Corrected STEM) 、X射线吸收精细结构谱(XAFS)及飞行时间二次离子质谱(ToF-SIMS),证实Cu以单原子分散在石墨烯中以及Cu-N sub 4 /sub 活性中心的配位结构,并用X射线光电子能谱(XPS)、电化学和理论计算方法证实Cu-N4接在石墨烯片锯齿/椅型边形成的活性位是最有效的ORR活性位,且Cu中心的电子结构与O sub 2 /sub 分子的反键π*轨道有好的对称性。该项工作从原子或分子水平上阐明了催化活性位及活性位结构的调控机制,为设计发展新型非贵金属碳基燃料电池催化剂提供了理论指导。论文Aberration-Corrected STEM、XAFS及ToF-SIMS测试得到合作单位沈阳金属所,上海光源及清华大学的支持。 /p p strong 论文中使用的部分表征仪器详情清单如下表: /strong /p table border=" 1" cellspacing=" 0" cellpadding=" 0" tbody tr class=" firstRow" td width=" 91" style=" border-width: 1px border-color: windowtext background: rgb(112, 48, 160) padding: 0px 7px " p style=" text-align:center" strong span style=" font-family:宋体 color:white" 表征项目 /span /strong /p /td td width=" 102" style=" border-top-width: 1px border-right-width: 1px border-bottom-width: 1px border-top-color: windowtext border-right-color: windowtext border-bottom-color: windowtext border-left: none background: rgb(112, 48, 160) padding: 0px 7px " p style=" text-align:center" strong span style=" font-family:宋体 color:white" 仪器名称 /span /strong /p /td td width=" 104" style=" border-top-width: 1px border-right-width: 1px border-bottom-width: 1px border-top-color: windowtext border-right-color: windowtext border-bottom-color: windowtext border-left: none background: rgb(112, 48, 160) padding: 0px 7px " p style=" text-align:center" strong span style=" font-family:宋体 color:white" 仪器型号 /span /strong /p /td td width=" 120" style=" border-top-width: 1px border-right-width: 1px border-bottom-width: 1px border-top-color: windowtext border-right-color: windowtext border-bottom-color: windowtext border-left: none background: rgb(112, 48, 160) padding: 0px 7px " p style=" text-align:center" strong span style=" font-family:宋体 color:white" 仪器品牌 /span /strong /p /td td width=" 87" style=" border-top-width: 1px border-right-width: 1px border-bottom-width: 1px border-top-color: windowtext border-right-color: windowtext border-bottom-color: windowtext border-left: none background: rgb(112, 48, 160) padding: 0px 7px " p style=" text-align:center" strong span style=" font-family:宋体 color:white" 备注 /span /strong /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span Zata /span span style=" font-family:宋体" 电位 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/470.html" target=" _blank" style=" font-family: 宋体 color: rgb(0, 176, 240) text-decoration: underline " span style=" font-family: 宋体 color: rgb(0, 176, 240) " 激光粒度分析仪 /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" span Zatasizer & nbsp 3000HSA /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 马尔文帕纳科( /span span Malvern Panalytical /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 元素分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/39.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 电感耦合等离子体发射光谱仪 /span (ICP-OES) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 美国利曼 /span span - /span span style=" font-family:宋体" 徕伯斯( /span span Leeman Labs /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 形貌分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/53.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 超高分辨率扫描电镜( /span SEM span style=" color: rgb(0, 176, 240) font-family: 宋体 " ) /span /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" span Nova & nbsp NanoSEM 450 /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 赛默飞( /span span FEI /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 形貌分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/1139.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 场发射透射电子显微镜 /span (TEM) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span Tecnai & nbsp G2& nbsp TF30 S-Twin /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 赛默飞( /span span FEI /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 形貌分析 /span /p /td td width=" 96" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/1139.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 球差校正扫描透射电镜 /span (AC-STEM) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span ARM200F /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 日本电子( /span span JEOL /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 分辨率 /span span 0.08nm /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 晶型分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/73.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " X span style=" color: rgb(0, 176, 240) font-family: 宋体 " 射线粉末衍射仪( /span XRD span style=" color: rgb(0, 176, 240) font-family: 宋体 " ) /span /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span Empyrean & nbsp diffractometer /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 马尔文帕纳科( /span span Malvern Panalytical /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span Cu & nbsp Kα, λ /span /p p style=" text-align:center" span =1.5406 & nbsp Å /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 表面分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/70.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " x span style=" color: rgb(0, 176, 240) font-family: 宋体 " 射线光电子能谱 /span (XPS) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span PHI-5000 & nbsp VersaProbe II /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span ULVAC-PHI /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 单色 /span span K /span span style=" font-family: 宋体" α辐射; /span span E = 1486.6 eV /span span style=" font-family:宋体" ;能量分辨率≤ /span span 0.4 eV /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 分子结构 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/31.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 傅里叶红外光谱 /span (FTIR) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span Vector & nbsp 22 /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 布鲁克( /span span Bruker /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " br/ /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 分子结构 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/34.html" target=" _blank" style=" font-family: 宋体 color: rgb(0, 176, 240) text-decoration: underline " span style=" font-family: 宋体 color: rgb(0, 176, 240) " 拉曼光谱 /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span inVia /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 雷尼绍( /span span RENISHAW /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 利用 /span span 488 nm /span span style=" font-family:宋体" 的 /span span Ar /span span style=" font-family: 宋体" 激光获得拉曼光谱 /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 表面分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/191.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " BET span style=" color: rgb(0, 176, 240) font-family: 宋体 " 比表面积分析仪 /span /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span Micromeritics & nbsp ASAP 2010 /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 麦克仪器( /span span micromeritics /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 热性能 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/62.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 热重分析仪 /span (TGA) /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 梅特勒( /span span METTLER /span span style=" font-family:宋体" ) /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 氧气气氛中,升温速率为 /span span 5 /span span style=" font-family:宋体" ℃ /span span /min /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span X /span span style=" font-family:宋体" 射线吸收精细结构谱( /span span XAFS /span span style=" font-family:宋体" ) /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" span style=" font-family:宋体" 上海同步辐射装置( /span span SSRF /span span style=" font-family:宋体" ) /span /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 国家大科学装置 /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 表面分析 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/518.html" target=" _blank" style=" color: rgb(0, 176, 240) text-decoration: underline " span style=" color: rgb(0, 176, 240) " span style=" color: rgb(0, 176, 240) font-family: 宋体 " 飞行时间二次离子质谱( /span ToF-SIMS span style=" color: rgb(0, 176, 240) font-family: 宋体 " ) /span /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span TOF.SIMS & nbsp 5 /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 德国 /span span ION-TOF /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 通过用 /span span Bi + /span span style=" font-family:宋体" 一次离子束轰击表面来分析样品(脉冲初级离子电流:在光谱模式下为 /span span 0.7pA /span span style=" font-family:宋体" ,在成像模式下为 /span span 0.1pA /span span style=" font-family:宋体" ) /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 电化学测量 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" a href=" https://www.instrument.com.cn/zc/473.html" target=" _blank" style=" font-family: 宋体 color: rgb(0, 176, 240) text-decoration: underline " span style=" font-family: 宋体 color: rgb(0, 176, 240) " 电化学工作站 /span /a /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span CHI & nbsp 750C /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 美国 /span span CHI /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr tr td width=" 91" style=" border-right-width: 1px border-bottom-width: 1px border-left-width: 1px border-right-color: windowtext border-bottom-color: windowtext border-left-color: windowtext border-top: none padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 电化学测量 /span /p /td td width=" 102" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px word-break: break-all " p style=" text-align:center" span style=" font-family:宋体" 旋转盘环电极系统 /span /p /td td width=" 104" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td td width=" 120" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span style=" font-family:宋体" 美国 /span span Pine /span /p /td td width=" 87" style=" border-top: none border-left: none border-bottom-width: 1px border-bottom-color: windowtext border-right-width: 1px border-right-color: windowtext padding: 0px 7px " p style=" text-align:center" span - /span /p /td /tr /tbody /table p strong 论文部分图片及表征结果图如下: /strong /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/86d2b8c6-5391-4fc2-94b4-8ab0fad661fe.jpg" title=" 1.jpg" alt=" 1.jpg" width=" 600" height=" 142" border=" 0" vspace=" 0" style=" width: 600px height: 142px " / /p p style=" text-align: center " span style=" text-align: center color: rgb(0, 176, 240) " 自下而上的制备出活性位结构明确的Cu-N /span sub style=" text-align: center color: rgb(0, 176, 240) " 4 /sub span style=" text-align: center color: rgb(0, 176, 240) " -C催化剂 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/e8048de8-daf0-49fe-9cf6-e8f284bd9ea7.jpg" title=" 2.jpg" alt=" 2.jpg" / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " Cu-N sub 4 /sub -C和N-C材料的形态和结构表征 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/dba137e4-633b-4969-8bdf-09ad6d5126df.jpg" title=" 3.jpg" alt=" 3.jpg" width=" 600" height=" 458" border=" 0" vspace=" 0" style=" width: 600px height: 458px " / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " /span br/ /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " Cu-N /span sub style=" color: rgb(0, 176, 240) " 4 /sub span style=" color: rgb(0, 176, 240) " -C,CuPc,Cu,Cu /span sub style=" color: rgb(0, 176, 240) " 2 /sub span style=" color: rgb(0, 176, 240) " O及CuO的XPS和XAFS分析 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/f9461b2d-8605-444b-9a56-10b87761a14c.jpg" title=" 4.jpg" alt=" 4.jpg" / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " /span br/ /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " Cu-N sub 4 /sub -C和N-C材料的ToF-SIMS分析 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/e2c7d54d-3771-4cad-9336-21ee5c393903.jpg" title=" 5.jpg" alt=" 5.jpg" / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " Cu-N /span sub style=" color: rgb(0, 176, 240) " 4 /sub span style=" color: rgb(0, 176, 240) " -C材料的三种模型分子及其优化结构 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/e481f678-1b02-4ab6-9b21-aeb587f77e80.jpg" title=" 6.jpg" alt=" 6.jpg" / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " Cu-N /span sub style=" color: rgb(0, 176, 240) " 4 /sub span style=" color: rgb(0, 176, 240) " -C,N-C和Pt / C催化剂的ORR性能和Cu-N /span sub style=" color: rgb(0, 176, 240) " 4 /sub span style=" color: rgb(0, 176, 240) " -C催化剂中不同的Cu(内部)/ Cu(边缘)比对应的ORR结果 /span /p p style=" text-align: center" img src=" https://img1.17img.cn/17img/images/201904/uepic/c49e1c1e-2b97-4a37-b64d-d0bb2883ae34.jpg" title=" 7.jpg" alt=" 7.jpg" / /p p style=" text-align: center " span style=" color: rgb(0, 176, 240) " 三种模型的HOMO的电子云,CuPc和O /span sub style=" color: rgb(0, 176, 240) " 2 /sub span style=" color: rgb(0, 176, 240) " 分子 /span br/ span style=" color: rgb(0, 176, 240) " /span /p p 论文第一作者李卫是昆明理工大学材料科学与工程学院2016级博士研究生,通讯作者为分析测试中心教授级高工杨喜昆,理论计算部分由分析测试研究中心副教授闵春刚完成。昆明理工大学为第一作者及唯一通讯作者单位。论文所有实验设计构思均由昆明理工大学人员独立完成。该研究工作得到国家自然科学基金面上项目(51374117)、国家自然科学基金地区基金(21363012, 11764026和51764030)等项目支持。 /p p br/ /p