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Structural engineering of nano-grain boundaries for low-voltage UV-photodetectors with gigantic photo- to dark-current ratios

Nasiri, Noushin; Bo, Renheng; Chen, Hongjun; White, Thomas P.; Fu, Lan; Tricoli, Antonio


Ultraporous networks of ZnO nanoparticles (UNN) have recently been proposed as a highly performing morphology for portable ultraviolet light photodetectors. Here, it is shown that structural engineering of the nanoparticle grain boundaries can drastically enhance the performance of UNN photodetectors leading to gigantic photo to dark current ratios with operation voltages below 1 V. Ultraporous nanoparticle layers are fabricated by scalable low-temperature deposition of flame-made ZnO...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Advanced Optical Materials
DOI: 10.1002/adom.201600273
Access Rights: Open Access


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