What question did this study set out to answer?

The aim is to develop an ultrahigh responsivity UV photodetector using a β-Ga2O3/PdSe2 heterojunction.

April 3, 2026Journal of Materials Chemistry C

An ultrahigh responsivity UV photodetector enabled by a spatially confined 2D β-Ga ₂ O ₃ /PdSe ₂ van der Waals heterojunction

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The aim is to develop an ultrahigh responsivity UV photodetector using a β-Ga2O3/PdSe2 heterojunction.
Fabrication of a 2D/2D β-Ga2O3/PdSe2 van der Waals heterojunction
Measurement of dark current and responsivity under UV light conditions
Achieved a dark current of approximately 1 pA
Obtained a responsivity of 6.17 × 10^4 A W−1 for UV detection

Implication

Research demonstrates a record-high UV responsivity in 2D β-Ga2O3/PdSe2 heterojunctions, suggesting improved detection capabilities.

Abstract

A 2D/2D β-Ga 2 O 3 /PdSe 2 heterojunction enables solar-blind UV detection with an ultralow dark current (∼1 pA) and a record-high responsivity of 6.17 × 10 4 A W −1 .

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69cf5d055a333a821460a9b4 https://doi.org/10.1039/d6tc00154h

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Implication

Research demonstrates a record-high UV responsivity in 2D β-Ga2O3/PdSe2 heterojunctions, suggesting improved detection capabilities.

Abstract

A 2D/2D β-Ga 2 O 3 /PdSe 2 heterojunction enables solar-blind UV detection with an ultralow dark current (∼1 pA) and a record-high responsivity of 6.17 × 10 4 A W −1 .

An ultrahigh responsivity UV photodetector enabled by a spatially confined 2D β-Ga ₂ O ₃ /PdSe ₂ van der Waals heterojunction

Key Points

Implication

Abstract

Discussion

Cite This Study

An ultrahigh responsivity UV photodetector enabled by a spatially confined 2D β-Ga ₂ O ₃ /PdSe ₂ van der Waals heterojunction

Key Points

Implication

Abstract

Discussion

Cite This Study

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