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Low-Voltage High-Performance UV Photodetectors: An Interplay between Grain Boundaries and Debye Length

Bo, Renheng; Nasiri, Noushin; Chen, Hongjun; Caputo, Domenico; Fu, Lan; Tricoli, Antonio


Accurate detection of UV light by wearable low-power devices has many important applications including environmental monitoring, space to space communication, and defense. Here, we report the structural engineering of ultraporous ZnO nanoparticle networks for fabrication of very low-voltage high-performance UV photodetectors. Record high photo- to dark-current ratio of 3.3×105 and detectivity of 3.2×1012 Jones at ultra-low operation bias of 2 mV and low UV-light intensity of 86 μW⋅cm-2 are...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: ACS Applied Materials and Interfaces
DOI: 10.1021/acsami.6b12321


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