2023
DOI: 10.1021/acsaom.3c00271
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Solution-Processed Ga2O3 Films via Thermal Annealing for Solar Blind Ultraviolet Photovoltaic Photodetectors with High Photoresponsivity and Fast Response

Dan Zhang,
Jiarong Liang,
Fangzhou Li
et al.

Abstract: In this work, a strategy that enhances the decomposition of organic compounds and suppresses oxygen defects in solution-processed Ga2O3 films is proposed to fabricate high-performance Ga2O3 solar blind ultraviolet (SBUV) photodetectors. The photodetector based on the Ga2O3 film annealed at 800 °C exhibits a high response of ∼17 ms and a high photoresponsivity of ∼15.4 mA/W at a 0 V bias. Through a comparison of the photoelectric properties among the detectors fabricated on the films annealed at high temperatur… Show more

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Cited by 2 publications
(1 citation statement)
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“…Deep ultraviolet (DUV: 10–280 nm) photodetectors (PDs) have potential prospects of being applied to ultraviolet lithography, spectral physics, missile warning and forest fire prevention. 1–4 Currently used commercialized DUV photodetectors are mainly silicon-based. However, the narrow bandgap of the silicon material makes it difficult for silicon-based DUV PDs to be miniaturized or adapted to harsh working environments, which has greatly limited their application scenarios.…”
Section: Introductionmentioning
confidence: 99%
“…Deep ultraviolet (DUV: 10–280 nm) photodetectors (PDs) have potential prospects of being applied to ultraviolet lithography, spectral physics, missile warning and forest fire prevention. 1–4 Currently used commercialized DUV photodetectors are mainly silicon-based. However, the narrow bandgap of the silicon material makes it difficult for silicon-based DUV PDs to be miniaturized or adapted to harsh working environments, which has greatly limited their application scenarios.…”
Section: Introductionmentioning
confidence: 99%