Monolayer and Few-Layer All-Inorganic Perovskites as a New Family of Two-Dimensional Semiconductors for Printable Optoelectronic Devices.
Printed flexible photodetectors based on 2D inorganic perovskites with atomic thickness show excellent photosensing with fast rise and decay response times. As-synthesized nanosheets can easily be dispersed in various solvents, leading to large-area, crack-free, low-roughness, flexible films after printing. This study demonstrates that all-inorganic perovskite CsPbX3 nanosheets as a new class of 2D semiconductors have huge potential for flexible optoelectronic applications.
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Jizhong
J
Song
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Leimeng
L
Xu
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Jianhai
J
Li
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Jie
J
Xue
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Yuhui
Y
Dong
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Xiaoming
X
Li
Institute of Optoelectronics & Nanomaterials, Herbert Gleiter Institute of Nanoscience, Jiangsu Key Laboratory of Advanced Micro & Nano Materials and Technology, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China.
Haibo
H
Zeng
CsPbBr3; all-inorganic perovskites; flexible photodetectors; layered materials; optoelectronics; two-dimensional materials