A nanoflower-like GaSe/β-Ga<sub>2</sub>O<sub>3</sub> based heterostructure for highly efficient self-powered broadband photodetectors

Varshney, Urvashi; Sharma, Anuj; Yadav, Aditya; Goswami, Preeti; Gupta, Govind

doi:10.1039/d3tc04337a

J. Mater. Chem. C

2024

DOI: 10.1039/d3tc04337a

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A nanoflower-like GaSe/β-Ga₂O₃ based heterostructure for highly efficient self-powered broadband photodetectors

Urvashi Varshney,

Anuj Sharma,

Aditya Yadav

et al.

Abstract: The rising demand for missile warnings, fire alarms, and astronomical imaging applications makes gallium oxide a promising ultra-wide band gap semiconducting material. Integrating gallium oxide with suitable material can enhance...

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Cited by 2 publications

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Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Varshney,

Sharma,

Singh

et al. 2024

Chemical Engineering Journal

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Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Varshney,

Sharma,

Singh

et al. 2024

Chemical Engineering Journal

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Enhancing Solar-Blind Photodetectors with Ga₂O₃ Thin Films Using Pt Nanoparticles

Jing,

Mao,

et al. 2024

ACS Appl. Nano Mater.

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Due to their ultra-wide bandgap and brilliant chemical stability, gallium oxide (Ga2O3) is considered one of the most promising materials for solar-blind photodetectors. However, the preparation of high-performance solar-blind photodetectors based on a low-cost Ga2O3 thin film still remains a great challenge. In this work, β-Ga2O3 thin films with nanoscale thickness have been prepared on a sapphire substrate by a facile and effective sol–gel spin-coating method. At the same time, the effect of local surface plasmon resonance (LSPR) is introduced by fabrication of Pt nanoparticles (NPs) in order to improve the optoelectronic performance of photodetectors based on polycrystalline Ga2O3. By adding Pt NPs, significant performance enhancement has been observed in terms of on/off ratio, responsiveness, detectivity, and external quantum efficiency by 618.7%, 66.7%, 390.7%, and 266.7%, respectively, reaching a comparable level to certain single-crystalline devices.

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A nanoflower-like GaSe/β-Ga₂O₃ based heterostructure for highly efficient self-powered broadband photodetectors

Abstract: The rising demand for missile warnings, fire alarms, and astronomical imaging applications makes gallium oxide a promising ultra-wide band gap semiconducting material. Integrating gallium oxide with suitable material can enhance...

Cited by 2 publications

References 66 publications

Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Enhancing Solar-Blind Photodetectors with Ga₂O₃ Thin Films Using Pt Nanoparticles

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A nanoflower-like GaSe/β-Ga2O3 based heterostructure for highly efficient self-powered broadband photodetectors

Abstract: The rising demand for missile warnings, fire alarms, and astronomical imaging applications makes gallium oxide a promising ultra-wide band gap semiconducting material. Integrating gallium oxide with suitable material can enhance...

Cited by 2 publications

References 66 publications

Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Revealing the photo-sensing capabilities of a super-flexible, paper-based wearable a-Ga2O3 self-driven ultra-high-performance solar-blind photodetector

Enhancing Solar-Blind Photodetectors with Ga2O3 Thin Films Using Pt Nanoparticles

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Product

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A nanoflower-like GaSe/β-Ga₂O₃ based heterostructure for highly efficient self-powered broadband photodetectors

Enhancing Solar-Blind Photodetectors with Ga₂O₃ Thin Films Using Pt Nanoparticles