Electrochemical characterization of energy level of functionalized carbon microspheres

doi:10.3969/j.issn.0438-1157.2014.08.036

CIESC Journal ›› 2014, Vol. 65 ›› Issue (8): 3114-3121.DOI: 10.3969/j.issn.0438-1157.2014.08.036

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Electrochemical characterization of energy level of functionalized carbon microspheres

YAN Lingpeng^1,2, HAO Yamin^1,2, YANG Weijia^1,2, YANG Yongzhen^1,3, LIU Xuguang^1,4, XU Bingshe^1,3

1 Key Laboratory of Interface Science and Engineering in Advanced Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
2 School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
3 Research Center of Advanced Material Science and Technology, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
4 School of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received:2013-10-17 Revised:2014-02-17 Online:2014-08-05 Published:2014-08-05
Supported by:
supported by the National Natural Science Foundation of China (21176169, 51152001), the International Science & Technology Cooperation Program of China (2012DFR50460), the Ph.D. Programs Foundation of Ministry of Education of China (20101402110007), the Shanxi Provincial Key Innovative Research Team in Science and Technology (2012041011), the Research Projectsupported by Shanxi Scholarship Council of China (2012-038) and the Program for Changjiang Scholar and Innovative Research Team in University (IRT0972).

功能化碳微球能级的电化学表征

闫翎鹏^1,2, 郝亚敏^1,2, 杨维佳^1,2, 杨永珍^1,3, 刘旭光^1,4, 许并社^1,3

1 新材料界面科学与工程教育部重点实验室太原理工大学, 山西太原 030024;
2 太原理工大学材料科学与工程学院, 山西太原 030024;
3 太原理工大学新材料工程技术研究中心, 山西太原 030024;
4 太原理工大学化学化工学院, 山西太原 030024

通讯作者: 杨永珍，刘旭光
基金资助:
国家自然科学基金项目（21176169，51152001）；国家国际科技合作专项项目（2012DFR50460）；国家教育部博士点基金项目（20101402110007）；山西省科技创新重点团队项目（2012041011）；山西省回国留学人员科研资助项目（2012-038）；教育部长江学者与创新团队发展计划项目（IRT0972）。

Abstract

Abstract: Two kinds of carbon microspheres (CMSs) were prepared by the hydrothermal method and chemical vapor deposition (CVD), the CMSs prepared by CVD (CCMSs) were oxidized by a mixture of concentrated sulfuric acid and nitric acid (volume ratio of 3:1) to improve their surface activity, while the CMSs prepared by the hydrothermal method (HCMSs) were used as obtained. Then, two kinds of CMSs reacted with1,6-hexanediamine to prepare aminated CMSs with N,N'-dicyclohexyl carbodiimide as condensation agent. The morphology and structure of products were characterized with field emission scanning electron microscopy and Fourier transform infrared spectrometry. The thermostability and energy level structure were characterized with thermogravimetry and electrochemical analysis, the optical properties were characterized with fluorescence analysis. Both CMSs met the requirement of energy level as receptor materials in polymer solar cell, and amination increased the LUMO energy level of CMSs. HCMSs was superior to CCMSs in morphology, dispersibility in solvents and thermal stability, so HCMSs could be more suitable for using as the receptor materials of polymer solar cell.

Key words: nanoparticles, hydrothermal, solar energy, electrochemistry

摘要： 分别采用水热法和化学气相沉积（CVD）法，制备两种同粒径（约360 nm）的碳微球（CMSs），对CVD法制备的CMSs （CCMSs）用混酸溶液（浓硫酸：浓硝酸=3：1）进行酸化处理，在其表面引入含氧官能团，而水热法制备的CMSs（HCMSs）不作处理；然后在N，N'-二环己基碳二亚胺的作用下，用1，6-己二胺分别修饰两种CMSs。通过场发射扫描电子显微镜和傅里叶红外光谱仪对产物的形貌和结构进行表征分析，采用热重分析仪和电化学工作站对产物的热稳定性和能级结构进行表征分析，并用荧光分析仪对产物的光学性能进行表征分析。结果表明：两种CMSs都满足作为聚合物太阳能电池受体材料的能级要求，且胺化修饰可以提高CMSs的LUMO能级；HCMSs在形貌、溶剂中的分散性以及热稳定性等方面都优于CCMSs，比CCMSs更适合作聚合物太阳能电池的受体材料。

关键词: 纳米粒子, 水热, 太阳能, 电化学

CLC Number:

TB332

YAN Lingpeng, HAO Yamin, YANG Weijia, YANG Yongzhen, LIU Xuguang, XU Bingshe. Electrochemical characterization of energy level of functionalized carbon microspheres[J]. CIESC Journal, 2014, 65(8): 3114-3121.

闫翎鹏, 郝亚敏, 杨维佳, 杨永珍, 刘旭光, 许并社. 功能化碳微球能级的电化学表征[J]. 化工学报, 2014, 65(8): 3114-3121.

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Electrochemical characterization of energy level of functionalized carbon microspheres

功能化碳微球能级的电化学表征

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