What question did this study set out to answer?

This research aims to develop a low-noise mid-infrared detection system using a PbSe/WTe2 heterojunction.

June 1, 2026ACS Applied Materials & Interfaces

PbSe/WTe 2 Schottky Heterojunction for Low-Noise Mid-Infrared Detection

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Authors

XZXi ZhangGeneral Cardiology MZMingshuo ZhenJiangnan University XWXiangting WangJiangnan University

Discussion

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Implication

Randomized trial demonstrates low noise mid-infrared detection in van der Waals heterostructure, indicating strong potential for practical applications.

Key Points

This research aims to develop a low-noise mid-infrared detection system using a PbSe/WTe2 heterojunction.
Proposed a hybrid-dimensional PbSe/WTe2 van der Waals heterostructure to form a Schottky barrier.
Measured dark current density and noise current at room temperature.
Evaluated spectral response range and responsivity of the device.
Achieved a dark current density as low as 6.9 × 10–5 A·cm–2.
Reported a peak responsivity of 0.75 A/W and specific detectivity of 4.81 × 10^9 cm Hz1/2 W–1 at 2600 nm.
Demonstrated successful room-temperature imaging of blackbody and thermal targets.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a1d22db02fbce91306387e6 https://doi.org/10.1021/acsami.6c06229

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June 1, 2026ACS Applied Materials & Interfaces

PbSe/WTe 2 Schottky Heterojunction for Low-Noise Mid-Infrared Detection

View Full Paper

Ask AI

Bookmark

Authors

XZXi ZhangGeneral Cardiology MZMingshuo ZhenJiangnan University XWXiangting WangJiangnan University

Discussion

Member takes

Implication

Randomized trial demonstrates low noise mid-infrared detection in van der Waals heterostructure, indicating strong potential for practical applications.

Key Points

This research aims to develop a low-noise mid-infrared detection system using a PbSe/WTe2 heterojunction.
Proposed a hybrid-dimensional PbSe/WTe2 van der Waals heterostructure to form a Schottky barrier.
Measured dark current density and noise current at room temperature.
Evaluated spectral response range and responsivity of the device.
Achieved a dark current density as low as 6.9 × 10–5 A·cm–2.
Reported a peak responsivity of 0.75 A/W and specific detectivity of 4.81 × 10^9 cm Hz1/2 W–1 at 2600 nm.
Demonstrated successful room-temperature imaging of blackbody and thermal targets.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a1d22db02fbce91306387e6 https://doi.org/10.1021/acsami.6c06229

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