title: Highly Flexible Self-Powered Organolead Trihalide Perovskite Photodetectors with Gold Nanowire Networks as Transparent Electrodes.
abstract: Organolead trihalide perovskites (OTPs) such as CH3NH3PbI3 (MAPbI3) have attracted much attention as the absorbing layer in solar cells and photodetectors (PDs). Flexible OTP devices have also been developed. Transparent electrodes (TEs) with higher conductivity, stability, and flexibility are necessary to improve the performance and flexibility of flexible OTP devices. In this work, patterned Au nanowire (AuNW) networks with high conductivity and stability are prepared and used as TEs in self-powered flexible MAPbI3 PDs. These flexible PDs show peak external quantum efficiency and responsivity of 60% and 321 mA/W, which are comparable to those of MAPbI3 PDs based on ITO TEs. The linear dynamic range and response time of the AuNW-based flexible PDs reach ∼84 dB and ∼4 μs, respectively. Moreover, they show higher flexibility than ITO-based devices, around 90%, and 60% of the initial photocurrent can be retained for the AuNW-based flexible PDs when bent to radii of 2.5 and 1.5 mm. This work suggests a high-performance, highly flexible, and stable TE for OTP flexible devices.
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Chunxiong
authors.initials: C
authors.lastname: Bao
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Weidong
authors.initials: W
authors.lastname: Zhu
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Jie
authors.initials: J
authors.lastname: Yang
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Faming
authors.initials: F
authors.lastname: Li
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Shuai
authors.initials: S
authors.lastname: Gu
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Yangrunqian
authors.initials: Y
authors.lastname: Wang
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Tao
authors.initials: T
authors.lastname: Yu
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Jia
authors.initials: J
authors.lastname: Zhu
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Zhou
authors.affiliation: National Laboratory of Solid State Microstructures, ‡Ecomaterials and Renewable Energy Research Center (ERERC), Department of Physics, §Collage of Engineering and Applied Science, ∥Collaborative Innovation Center of Advanced Microstructures, and #Jiangsu Key Laboratory for Nano Technology, Nanjing University , Nanjing 210093, P. R. China.
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Zou
keywords: flexibility; metal nanowire network; perovskite; photodetector; transparent electrode