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Gd_2O_3:Eu^(3+)的制备及其在染料敏化太阳能电池中的应用 被引量：3

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摘要 采用均匀沉淀法制备Gd2O3:Eu3+下转换发光粉,对其光学特性进行了分析,并将其应用到染料敏化太阳能电池中,将电池吸收很弱的紫外光转化为可被染料吸收利用的可见光,提高了电池的光电流;通过Gd2O3:Eu3+的p-型掺杂效应,使材料的费米能级上升,增大了电池的开路电压;同时,发光层中稀土氧化物的存在不但能降低激发态染料往TiO2导带注入电子的效率,而且能在电极表面形成一个势垒抑制电荷复合,对电池的光电流和光电压都有影响.当Gd与Ti的摩尔比为6:100时,电池的光电转换效率达到最大值7.01%,这比没掺发光粉的电池提高了17.4%.
作者 李庆北 林建明 吴季怀 兰章 王江丽 王岳 彭福国 黄妙良 肖尧明
机构地区 环境友好功能材料教育部工程研究中心功能材料福建省高校重点实验室华侨大学材料物理化学研究所
出处 《科学通报》 EI CAS CSCD 北大核心 2011年第24期2026-2031,共6页 Chinese Science Bulletin
基金 国家高技术研究发展计划(2009AA03Z217) 国家自然科学基金重大研究计划(90922028)资助项目
关键词 染料敏化太阳能电池 下转换 发光材料 稀土氧化物 p-型掺杂
分类号 TM914.4 [电气工程—电力电子与电力传动]
  • 相关文献

参考文献25

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二级参考文献72

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共引文献37

同被引文献52

  • 1王文华,程建波,祝洪杰.掺杂Er^(3+)的TiO_2的发射光谱研究[J].光谱学与光谱分析,2006,26(6):991-993. 被引量：8
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二级引证文献7

科学通报
2011年 第24期

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