Nanocrystalline Perovskite Hybrid Photodetectors with High Performance in Almost Every Figure of Merit. (15th December 2017)

• Record Type: Journal Article
• Authors: Lin, Yuanwei; Lin, Guoming; Sun, Baoyun; Guo, Xuefeng
• Is Part Of: Advanced functional materials. Volume 28:Number 7(2018)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2017-12-15
• Subjects: carbon nanotubes -- graphene -- hybrid perovskites -- photodetectors; Materials -- Periodicals; Chemical vapor deposition -- Periodicals; 620.11
• DOI: 10.1002/adfm.201705589
• Languages: English
• ISSNs: 1616-301X

Abstract

Abstract: Conversion of photon into electron is a phenomenon of great importance in nature. Photodetectors based on this principle have immense potential applications at the frontiers of both scientific and industrial communities, thus affecting the daily life. Herein, a novel class of high‐quality organic–inorganic trihalide perovskite nanoscale hybrid photodetectors is presented based on carbon electrode−molecule junctions working at mild conditions. Almost every figure of merit with high performance, such as highest responsivity, highest photogain, high detectivity, high linear dynamic range, and a broad spectral response, could be achieved simultaneously in a single device under different biases. These significant achievements benefit from rational choices of novel energy loss‐prevented hybrid perovskite nanocrystals as active materials and optimized carbon electrode−molecule junctions as device architectures, which leads to a hybridization mechanism of photodiodes and photoconductors. These investigations demonstrate a useful photodetector platform that might lead to many future photoelectric conversion applications in the practical way. Abstract : A new class of photodetectors working at mild conditions by using organic–inorganic trihalide perovskites as active materials and carbon electrode−molecule junctions as device architectures is demonstrated. The high performances, such as highest responsivity, highest photogain, high detectivity, high linear dynamic range, and a broad spectral response, could be achieved simultaneously in a single device under different biases.