Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 4, Issue 15, Pages 3113-3118Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6tc00748a
Keywords
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Funding
- Fundamental Research Funds for the Central Universities [WK 2060190052]
- Natural Science Foundation of Anhui Province [1508085MB30]
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In this work, we successfully synthesized ZnGa2O4 microflowers self-assembled by hexagonal single-crystalline nanopetals in a water/ethanol solution through a novel solvothermal route. The self-assembled ZnGa2O4 microflower crystal exhibits improved solar-blind deep ultraviolet detection performance such as short response time, large light to dark current ratio, high photocurrent stability, and good wavelength selectivity under zero bias voltage, with the aid of the formation of heterojunctions with polyvinyl butyral. Our result is not only the best for self-powered solar-blind photodetect devices to date, but also the first report describing the effect of polymer concentrations on photoresponses.
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