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Adv Mater. 2016 Jun;28(24):4861-9. doi: 10.1002/adma.201600225. Epub 2016 Apr 25.

Monolayer and Few-Layer All-Inorganic Perovskites as a New Family of Two-Dimensional Semiconductors for Printable Optoelectronic Devices.

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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.


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.


CsPbBr3; all-inorganic perovskites; flexible photodetectors; layered materials; optoelectronics; two-dimensional materials


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