可印刷介观钙钛矿太阳能电池:机遇与挑战
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- 英文论文题名：Printable Mesoscopic Perovskite Solar Cells:Opportunities and Challenges
- 论文作者：韩宏伟
- 英文论文作者：Hongwei Han ; Wuhan National Laboratory for Optoelectronics ; Huazhong University of Science and Technology
- 年：2016
- 作者机构：华中科技大学武汉光电国家实验室;
- 论文关键词：钙钛矿 ; 稳定性 ; 可印刷 ; 介观 ; 有机-无机杂化
- 会议召开时间：2016-07-01
- 会议录名称：中国化学会第30届学术年会摘要集-第二十二分会：有机光伏的机遇和挑战
- 语种：中文
- 分类号：TM914.4
- 学会代码：ZGHY
- 会议名称：中国化学会第30届学术年会-第二十二分会 ; 有机光伏的机遇和挑战
- 会议地点：中国辽宁大连
- 主办单位：中国化学会
- 学会名称：中国化学会
- 页数：2
- 文件大小：162k
- 原文格式：D
- 会议级别：全国
摘要
钙钛矿太阳能电池在过去几年中取得了极大的发展,受到研究人员和产业界人士的广泛关注,被认为是新一代廉价太阳能电池技术中的杰出代表。目前钙钛矿太阳能电池的公证光电转换效率已经超过21%,且在材料成本和制作成本方面均具有一定的市场优势,但器件稳定性问题一直受到研究者关注,被美国国家能源部可再生能源实验室(NREL)太阳能电池最高认证效率总表标注为不稳定。除此之外,传统钙钛矿太阳能电池中所使用的价格昂贵的空穴传输材料、贵金属对电极材料以及高能耗的热蒸镀工艺也一直受到研究者的重视。针对以上问题,研制了一种基于全印刷技术的介观钙钛矿太阳能电池,其特点是通过逐层印刷的方式在导电基板上沉积二氧化钛电子传输层、二氧化锆间隔层、碳对电极层,之后填充钙钛矿吸光材料,该器件不需要使用空穴传输材料作为空穴收集层。课题组通过引入两性分子如(5-氨基戊酸)对钙钛矿材料及界面改性提高器件稳定性~(1-4),通过构建混合阴离子钙钛矿材料等方法提高了器件的光电转换效率~(5,6)。此外,课题组制作了面积达到6平米的无空穴传输材料型可印刷介观钙钛矿太阳能电池板(图1),并采用其中1平米模组成功驱动风扇,显示出良好的稳定性和应用前景。
Perovskite solar cells have made great progress in the past few years. Currently the record on the certified efficiency of the perovskite solar cells has reached to 21%, which is higher than that of polycrystal silicon solar cells. However, there are many challenges for its commercialization of this technology, especially on its stability concern. Here we present a hole-conductor-free mesoscopic perovskite solar cells based on printable triple-layer architecture with the fully printable technology and cheap carbon counter electrode. By introducing the bifunctional organic molecules such as 5-AVA into the perovskite solar cells, the device presents high stable and efficiency. Also, 6m2 hole-conductor-free printable mesoscopic perovskite solar panel was developed.
Perovskite solar cells have made great progress in the past few years. Currently the record on the certified efficiency of the perovskite solar cells has reached to 21%, which is higher than that of polycrystal silicon solar cells. However, there are many challenges for its commercialization of this technology, especially on its stability concern. Here we present a hole-conductor-free mesoscopic perovskite solar cells based on printable triple-layer architecture with the fully printable technology and cheap carbon counter electrode. By introducing the bifunctional organic molecules such as 5-AVA into the perovskite solar cells, the device presents high stable and efficiency. Also, 6m2 hole-conductor-free printable mesoscopic perovskite solar panel was developed.
引文
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(2)Mei,A.Y.;Li,X.;Liu,L.F.;Ku,Z.L.;Liu,T.F.;Rong,Y.G.;Xu,M.;Hu,M.;Chen,J.Z.;Yang,Y.;Gratzel,M.;Han,H.W.Science 2014,345,295.
(3)Li,X.;Dar,M.I.;Yi,C.;Luo,J.;Tschumi,M.;Nazeeruddin,M.K.;Han,H.;Gr?tzel,M.Nature Chemistry2015,7,8.
(4)Liu,L.;Mei,A.;Liu,T.;Jiang,P.;Sheng,Y.;Zhang,L.;Han,H.Journal of the American Chemical Society2015,137,1790.
(5)Rong,Y.;Liu,L.;Mei,A.;Li,X.;Han,H.Advanced Energy Materials 2015,5.
(6)Chen,J.;Rong,Y.;Mei,A.;Xiong,Y.;Liu,T.;Sheng,Y.;Jiang,P.;Hong,L.;Guan,Y.;Zhu,X.Advanced Energy Materials 2015.