NDLI: Improved performance of perovskite solar cell by controlling CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ film morphology with CH$_{3}$NH$

Content Provider	Springer Nature Link
Author	Zhao, B. G. Zhu, L. Zhao, Y. L. Yang, Y. Song, J. Gu, X. Q. Xing, Z. Qiang, Y. H.
Copyright Year	2016
Abstract	Sequential deposition solution-based method has been widely used for the fabrication of perovskite solar cells (PSCs). However, there is still a challenge to achieve homogeneous and consecutive surface of the perovskite layers. In this work, CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ layers were prepared by a modified two-step solution method. Specifically, the optimum amount of CH$_{3}$NH$_{3}$Cl pre-added into PbI$_{2}$ precursor solution, the appropriate size of pinholes and voids appear in PbI$_{2}$ films and leave room for the growth of CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ crystal. Under this condition, the crystal grains size is diminished and the surface coverage ratio of CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ film is enhanced, which prevent the combination of electron-hole pairs on the interface between perovskite layer and TiO$_{2}$ substrate. By varying the CH$_{3}$NH$_{3}$Cl amounts, the PSC devices displayed the highest power conversion efficiency of 13 %, which was obviously higher than that of the one prepared via transitional routes (10.32 %). As a result, we developed a simple and repeatable route for controllable synthesis of perovskite absorption layers, which is demonstrated to be effective to improve the performance of PSCs.
Starting Page	10869
Ending Page	10876
Page Count	8
File Format	PDF
ISSN	09574522
Journal	Journal of Materials Science: Materials in Electronics
Volume Number	27
Issue Number	10
e-ISSN	1573482X
Language	English
Publisher	Springer US
Publisher Date	2016-06-29
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical and Electronic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Biomaterials Biophysics Condensed Matter Physics Electronic, Optical and Magnetic Materials Bioengineering Electrical and Electronic Engineering Biomedical Engineering

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The control of surface texture for planar CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ film and its effect on photovoltaic performance

Effects of ambient air processing on morphology and photoconductivity of CH$_{3}$NH$_{3}$PbI$_{3}$

Thermal flow air post-treatment under high relative humidity for efficient and reproducible planar CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ based perovskite solar cells

Growth of high quality CH$_{3}$NH$_{3}$PbI$_{3}$ thin films prepared by modified dual-source vapor evaporation

Chlorine and the kinetics of formation of CH 3 NH 3 PbI 3x Cl x for perovskite solar cells

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Synthesis and characterization of photosensible CH$_{3}$NH$_{3}$PbI$_{3}$ and CH$_{3}$NH$_{3}$PbI$_{3–x }$Cl$_{ x }$ perovskite crystalline films

First-Principles Calculation of the Bulk Photovoltaic Effect in CH 3 NH 3 PbI 3 and CH 3 NH 3 PbI 3−x Cl x

Improved performance of perovskite solar cell by controlling CH$_{3}$NH$_{3}$PbI$_{3−x}$Cl$_{x}$ film morphology with CH$_{3}$NH$_{3}$Cl-assisted method

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