All-inorganic cesium lead halide perovskite nanocrystals for photodetector applications.

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Abstract

Herein, we describe simple, fast and reproducible halide ion exchange reactions in CsPbX3 (X = Cl, Br, I) nanocrystals (NCs) at room temperature. Through the simple adjustment of the halide ion concentration, the photoluminescence of these NCs can be tuned over the entire visible region (425-655 nm). Photodetector devices based on entirely inorganic CsPbI3 NCs are demonstrated for the first time. The photodetectors exhibited a good on/off photocurrent ratio of 10(5).

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Journal

Journal ID (iso-abbrev): Chem. Commun. (Camb.)

Title: Chemical communications (Cambridge, England)

Publisher: Royal Society of Chemistry (RSC)

ISSN (Electronic): 1364-548X

ISSN (Print): 1359-7345

Publication date (Electronic): Feb 04 2016

Volume: 52

Issue: 10

Affiliations

[1 ] Department of Energy Systems Engineering, DGIST, Daegu, 711-873, Republic of Korea. jslee@dgist.ac.kr.

[2 ] Ecolumy Co., Ltd. University-Industry Cooperation Center, DGIST, Daegu, 711-873, Republic of Korea.

Article

DOI: 10.1039/c5cc08643d

PubMed ID: 26688424

SO-VID: 12af2992-9028-4aa6-b2c7-d37bfd31565f

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