Flash evaporation printing methodology for perovskite thin films
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- 英文论文题名：Flash evaporation printing methodology for perovskite thin films
- 论文作者：Hong Lin ; Haoming Wei ; Xingyue Zhao ; Yang Wei
- 英文论文作者：Hong Lin ; Haoming Wei ; Xingyue Zhao ; Yang Wei ; State Key Laboratory of New Ceramics & Fine Processing ; School of Materials Science and Engineering ; Tsinghua University ; State Key Laboratory of Low-Dimensional Quantum Physics ; Department of Physics and Tsinghua-Foxconn Nanotechnology Research Center ; Tsinghua University
- 年：2017
- 作者机构：State Key Laboratory of New Ceramics & Fine Processing, School of Materials Science and Engineering, Tsinghua University;State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics and Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University;
- 英文论文关键词：flash evaporation printing ; perovskite thin films ; two-step deposition
- 会议召开时间：2017-05-27
- 会议录名称：第四届新型太阳能电池学术研讨会论文集
- 英文会议录名称：Abstract Book of the 4th Conference on New Generation Solar Cells
- 语种：英文
- 分类号：TB383.2;TM914.4
- 学会代码：ZKYQ
- 会议名称：第四届新型太阳能电池学术研讨会
- 会议地点：中国北京
- 主办单位：中国可再生能源学会光化学专业委员会
- 学会名称：中国科学院物理研究所清洁能源实验室
- 页数：1
- 文件大小：834k
- 原文格式：D
- 会议级别：全国
摘要
Organic-inorganic hybrid perovskites, such as CH_3NH_3PbI_3(MAPbI_3), have recently captured intense research interest, for their promising optoelectronic applications with low cost and high performance.Two-step deposition is a common route to synthesize perovskite thin films, among which lead iodide(PbI_2) is first introduced using solution or vapor deposition methods, and subsequently transformed into the perovskite by reacting with CH_3NH_3I(MAI).Herein, we report a flash evaporation printing(FEP) technology is developed to prepare perovskite films, which employs a freestanding carbon nanotube(CNT) flash evaporator.Nanoporous PbI_2 thin films were directly printed on substrates as precursors by FEP, and then high-quality perovskite thin films were produced by in-situ reaction with MAI solution.The as-fabricated photovoltaic devices have a power conversion efficiency of 2.4% with a Voc of 0.89 V, a Jsc of 5.6 mA cm-2 and a FF of 48.2%.Modified TiO2 with PCBM interface layer, perovskite solar cells show better photovoltaic performance feature an efficiency of 10.3%, a Jsc of 15.9 mA cm-2 and a FF of 68.9%.The environmentally friendly and cost-effective FEP will prove itself a promising candidate for perovskite large-scale preparation.
Organic-inorganic hybrid perovskites, such as CH_3NH_3PbI_3(MAPbI_3), have recently captured intense research interest, for their promising optoelectronic applications with low cost and high performance.Two-step deposition is a common route to synthesize perovskite thin films, among which lead iodide(PbI_2) is first introduced using solution or vapor deposition methods, and subsequently transformed into the perovskite by reacting with CH_3NH_3I(MAI).Herein, we report a flash evaporation printing(FEP) technology is developed to prepare perovskite films, which employs a freestanding carbon nanotube(CNT) flash evaporator.Nanoporous PbI_2 thin films were directly printed on substrates as precursors by FEP, and then high-quality perovskite thin films were produced by in-situ reaction with MAI solution.The as-fabricated photovoltaic devices have a power conversion efficiency of 2.4% with a Voc of 0.89 V, a Jsc of 5.6 mA cm-2 and a FF of 48.2%.Modified TiO2 with PCBM interface layer, perovskite solar cells show better photovoltaic performance feature an efficiency of 10.3%, a Jsc of 15.9 mA cm-2 and a FF of 68.9%.The environmentally friendly and cost-effective FEP will prove itself a promising candidate for perovskite large-scale preparation.
Organic-inorganic hybrid perovskites, such as CH_3NH_3PbI_3(MAPbI_3), have recently captured intense research interest, for their promising optoelectronic applications with low cost and high performance.Two-step deposition is a common route to synthesize perovskite thin films, among which lead iodide(PbI_2) is first introduced using solution or vapor deposition methods, and subsequently transformed into the perovskite by reacting with CH_3NH_3I(MAI).Herein, we report a flash evaporation printing(FEP) technology is developed to prepare perovskite films, which employs a freestanding carbon nanotube(CNT) flash evaporator.Nanoporous PbI_2 thin films were directly printed on substrates as precursors by FEP, and then high-quality perovskite thin films were produced by in-situ reaction with MAI solution.The as-fabricated photovoltaic devices have a power conversion efficiency of 2.4% with a Voc of 0.89 V, a Jsc of 5.6 mA cm-2 and a FF of 48.2%.Modified TiO2 with PCBM interface layer, perovskite solar cells show better photovoltaic performance feature an efficiency of 10.3%, a Jsc of 15.9 mA cm-2 and a FF of 68.9%.The environmentally friendly and cost-effective FEP will prove itself a promising candidate for perovskite large-scale preparation.
引文
[1]Haoming Wei,Xingyue Zhao,Yang Wei*,Hong Lin*,Shoushan Fan,Kaili Jiang*,NPG Asia Materials,2017,In press.