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取向多壁碳纳米管的制备及其在染料敏化太阳能电池中的应用
作者:张永昌 林红 李建保 
单位:清华大学材料科学与工程系 北京 100084 
关键词:多壁碳纳米管 取向性 对电极 染料敏化太阳能电池 
分类号:O484
出版年,卷(期):页码:2011,39(10):75-78
DOI:
摘要:

使用经少量氯铂酸处理过的金属钛板作为基底,采用化学气相沉积法获得多壁碳纳米管。扫描电镜观察表明,经过氯铂酸处理过的钛板比未经过处理的钛板表面粗糙度低,获得的碳纳米管有一定取向性。将这种复合体系用作染料敏化太阳能电池的对电极,制作电池并测量其光电性能。与使用未经处理的多壁碳纳米管/钛板对电极的电池相比,使用经过氯铂酸处理的取向多壁碳纳米管/钛板复合体系的电池的开路电压Voc、短路电流密度Jsc及填充因子ff均有明显提高,分别达到了741 mV,8.99 mA/cm2和0.49。

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The multi-walled carbon nanotubes (MWNTs) were synthesized on titanium plate treated with a small amount of chloroplatinic acid as a substrate by a chemical vapor deposition method. The scanning electron microscope photographs show that the surface of chloroplatinic acid-treated titanium plate has a lower roughness than the untreated one, and the carbon nanotubes on the treated one have a better orientation. These MWNTs/Ti systems were used as counter electrodes for dye-sensitized solar cells and the photovoltaic properties were measured. The results show that the cell with chloroplatinic acid-treated titanium plate as counter electrode has higher open circuit voltage Voc (741 mV), short circuit current density Jsc (8.99 mA/cm2) and fill factor ff (0.49) than that with untreated one.

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基金项目:
国家“973”计划(2007CB607504)、中以科学战略合作计划(第五批第七项)、MOST-JST中日战略合作项目(2010DFA61410)资助
作者简介:
张永昌(1986—),男,硕士研究生
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