期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 45, 页码 31289-31294出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b09502
关键词
CH3NH3PbI3; Rhodamine B; photodetector; bulk heterojunction architectures; dye-sensitized; flexible devices
资金
- National Natural Science Foundation of China [51372130, 61401251]
- Open Research Fund Program of the State Key Laboratory of Low-Dimensional Quantum Physics [KF201517]
- Open Foundation of State Key Laboratory of Electronic Thin Films and Integrated Devices [KFJJ201402]
A flexible photodetector based on the bulk heterojunction of an organometallic halide perovskites CH3NH3PbI3 and an organic dye Rhodamine B (RhB) has been fabricated via a solution casting process. It showed a high responsivity (R-max = 43.6 mA/W) to visible lights, short response time (t(r) approximate to 60 ms, t(d) approximate to 40 ms), high on off ratio (I-on/I-off approximate to 287) and satisfactory stability because of its Schottky barrier structure and the dye enhanced light absorption.
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