articleTop 1% cited
All-inorganic cesium lead halide perovskite nanocrystals for photodetector applications
Chemical Communications · 2015 · Vol. 52(10) · pp. 2067–2070
Parthiban Ramasamy(Daegu Gyeongbuk Institute of Science and Technology)Da-Hye Lim(Daegu Gyeongbuk Institute of Science and Technology)Bumjin Kim(Daegu Gyeongbuk Institute of Science and Technology)Seungho Lee(Daegu Gyeongbuk Institute of Science and Technology)Min-Sang Lee(Daegu Gyeongbuk Institute of Science and Technology)Jong‐Soo Lee✉(Daegu Gyeongbuk Institute of Science and Technology)
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).
Perovskite Materials and ApplicationsOptical properties and cooling technologies in crystalline materialsQuantum Dots Synthesis And PropertiesHalidePhotodetectorNanocrystalPerovskite (structure)CaesiumMaterials scienceOptoelectronicsNanotechnologyInorganic chemistryChemistry
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