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All-inorganic cesium lead halide perovskite nanocrystals for photodetector applications
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- Title
- All-inorganic cesium lead halide perovskite nanocrystals for photodetector applications
- Issued Date
- 2016
- Citation
- Ramasamy, Parthiban. (2016). All-inorganic cesium lead halide perovskite nanocrystals for photodetector applications. Chemical Communications, 52(10), 2067–2070. doi: 10.1039/c5cc08643d
- Type
- Article
- Keywords
- Absorption Spectroscopy ; Analytical Equipment ; ANION-EXCHANGE ; Article ; BR ; Cesium ; CL ; COLLOIDAL NANOCRYSTALS ; CSPBBR3 ; CSPBX3 ; Efficiency ; emISSION ; Energy Dispersive X-Ray Spectrometry ; Halide ; Illumination ; Ion Exchange ; Lead ; Light Intensity ; Lithium Salt ; Nanocrystal ; Perovskite ; Photodetector ; PHOTOLUMINESCENCE ; Roentgen Spectroscopy ; Room Temperature ; SemICONDUCTOR ; SOLAR-CELLS ; Transmission Electron Microscopy
- ISSN
- 1359-7345
- 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 105. © The Royal Society of Chemistry 2016.
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- Publisher
- Royal Society of Chemistry
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