2<scp>D</scp>Material‐Based Photodetectors for Imaging

Xu, Wenshuo; Wang, Zhuo; Wee, Andrew T. S.

doi:10.1002/9783527835201.ch2

Optical Imaging and Sensing 2023

DOI: 10.1002/9783527835201.ch2

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2DMaterial‐Based Photodetectors for Imaging

Wenshuo Xu,

Zhuo Wang,

Andrew T. S. Wee

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2024

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High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions

Ye,

Zheng,

Han

et al. 2024

IEEE Photonics J.

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Self-powered photodetectors which operate without external power sources hold immense promise in future photodetection systems. To achieve high-performance selfpowered optoelectronic devices, efficient electron-hole pair separation is critical to generate high photocurrents. In this work, we successfully synthesized semiconducting graphene nanoribbons (GNRs) with a direct bandgap of 1.80 eV and employed them to construct a high-performance GNR/Al2O3/IGZO heterostructure photodetector. The built-in electric field in the heterojunctions enables this photodetector to exhibit remarkable performance, showing a responsivity of up to 68 mA/W, a detectivity of 8.34 × 10 10 Jones, and rapid response times of 21/20 ms at zero bias. Furthermore, the photodetector features a wide spectral detection range of 405 to 1550 nm. These results highlight the promising potential of GNR/IGZO p-n heterojunction-based self-powered photodetectors in optoelectronic applications.

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High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions

Ye,

Zheng,

Han

et al. 2024

IEEE Photonics J.

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2DMaterial‐Based Photodetectors for Imaging

Cited by 1 publication

References 153 publications

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions

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2DMaterial‐Based Photodetectors for Imaging

Cited by 1 publication

References 153 publications

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al2O3/InGaZnO Heterojunctions

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al2O3/InGaZnO Heterojunctions

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Product

Resources

About

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions

High Performance Self-Powered Photodetectors Based on Graphene Nanoribbons/Al₂O₃/InGaZnO Heterojunctions