| β-硫化汞超球的制备及其光电性质 |
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| 作者姓名： | 王秀欣 吴磊 曹晶 刘雅玲 宋锐 |
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| 作者单位： | 1. 中国科学院研究生院化学与化工学院, 北京 100049;
2. 国家纳米科学中心, 北京 100190 |
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| 基金项目： | 国家自然科学基金(21072221,21172252)和中国科学院研究生院院长基金(095101CY00)资助 |
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| 摘 要： | 利用水热法制备尺寸均一、单分散性良好的β-硫化汞超球.通过扫描电子显微镜(SEM)和X-射线衍射(XRD)等手段系统研究汞离子(Hg2+)和半胱氨酸配比、反应温度等对产物形貌的影响.同时,β-硫化汞超球在较宽波长范围内(200～900nm)均产生很强的吸收.在室温标准太阳光下对材料进行的光电测试结果表明,短路电流密度0.12mA·cm-2,开路电压0.40V,填充因子4.4%,转化效率0.21%.这预示该类超球在新型太阳能电池领域中具有潜在的应用价值.
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| 关 键 词： | β-硫化汞 自组装 纳米超球 太阳能电池 |
| 收稿时间： | 2012-01-04 |
| 修稿时间： | 2012-03-01 |
Facile synthesis of monodispersed β-HgS nano-superspheres and their optical properties |
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| Authors: | WANG Xiu-Xin WU Lei CAO Jing LIU Ya-Ling SONG Rui |
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| Institution: | 1. Department of Chemistry and Chemical Engineering, Graduate University, Chinese Academy of Sciences, Beijing 100049, China;
2. National Center for Nanoscience and Nanotechnology, Beijing 100190, China |
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| Abstract: | β-HgS superspheres with uniform sizes and micro-sub-planes were synthesized by hydrothermal method. The β-HgS superspheres have very strong absorption in a wide wavelength range from ultraviolet to visible region. In addition, they show good photovoltaic behavior with short circuit current density of ～0.12 mA·cm-2, open circuit voltage of ～0.4 V, fill factor of ～4.4%, and energy conversion efficiency of ～0.21%. |
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| Keywords: | β-HgS" target="_blank">β-HgS')">β-HgS self-assembly nano-superspheres solar cell |
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