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铁电钛酸钡纳米颗粒提高染料敏化太阳能电池光电转换效率研究

发表时间:2017-04-14  浏览量:2040  下载量:199
全部作者: 冯克源,肖鹏
作者单位: 重庆大学物理学院
摘 要: 染料敏化太阳能电池(dye-sensitized solar cells,DSSCs)是模仿光合作用的新型太阳能电池。将具有铁电性能的钛酸钡纳米颗粒掺入DSSCs的光阳极中,分析铁电材料对电池性能的影响。场发射扫描电子显微镜(field emission scanning electron microscope,FESEM)和原子力显微镜(atomic force microscope,AFM)结果表明,光阳极薄膜厚度约为12 µm,起伏度约为80 nm. J-V数据结果表明,在钛酸钡掺杂量为1%(质量分数)时,DSSCs的光电转换效率和填充因子均达到最大值,分别为5.39%和0.71,相比于不掺杂样品,分别提升了11%和6%. 另外,研究乙基纤维素的不同比例对电池性能的影响,通过J-V数据和染料吸附量确定乙基纤维素的比例为9%(质量分数)是最佳比例。
关 键 词: 凝聚态物理学;染料敏化太阳能电池;铁电性能;钛酸钡;乙基纤维素
Title: Investigation of photoelectric conversion efficiency of DSSCs doped with ferroelectric barium titanate nanoparticles
Author: FENG Keyuan, XIAO Peng
Organization: College of Physics, Chongqing University
Abstract: Dye-sensitized solar cells (DSSCs) are novel solar cells that mimic photosynthesis, the research of which has been a hotspot. In this paper, ferroelectric barium titanate nanoparticles were doped into the photoanode and its effect on the performance of DSSCs were studied. Field emission scanning electron microscope (FESEM) and atomic force microscope (AFM) results showed that the photoanode film had the thickness of about 12 μm and the fluctuation of about 80 nm. J-V data showed that photoelectric conversion efficiency and filling factor reached at 5.39% and 0.71 respectively, when the mixture content of barium titanate was 1% (mass fraction). The parameters increased by 11% and 6% respectively, compared with pure P25 film. In addition, the effect of different proportions of ethyl cellulose on the performance of the cell was studied. It was found that the optimum ratio of ethyl cellulose was 9% by J-V data and dye adsorption amount.
Key words: condensed matter physics; dye-sensitized solar cells; ferroelectric properties; barium titanate; ethyl cellulose
发表期数: 2017年4月第7期
引用格式: 冯克源,肖鹏. 铁电钛酸钡纳米颗粒提高染料敏化太阳能电池光电转换效率研究[J]. 中国科技论文在线精品论文,2017,10(7):748-754.
 
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