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RESEARCH PAPER · Materials Today Physics · 2024

Charge-carrier engineering of staggered-gap p-CuAlO2/β-Ga2O3 bipolar heterojunction for self-powered photodetector with exceptional linear dynamic range and stability

Chowdam Venkata Prasad, Madani Labed, Jang Hyeok Park, Kyong Jae Kim, You Seung Rim

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Charge-carrier engineering of staggered-gap p-CuAlO2/β-Ga2O3 bipolar heterojunction for self-powered photodetector with exceptional linear dynamic range and stabilityOriginalComprehensively Enhanced Performance of MISIM β-Ga₂O₃ Solar-Blind Photodetector Inserted With an Ultrathin Al₂O₃ Passivation Layer15Photoelectrochemical properties of self-powered corundum-structured Ga2O3 nanorod array/fluorine-doped SnO2 photodetectors modulated by precursor concentrations7High‐Performance Self‐Powered Deep Ultraviolet Photodetector Based on NiO/β‐Ga2O3 Heterojunction with High Responsivity and Selectivity18Photodetection and stability of p-CuInO2/n-GaN epitaxial heterojunction with a Cu2In2O5 passivation layer1Wavelength Modulation and Fast Response of Mixed-Phase β-Ga2O3:Zn/SnO2 in-Plane Heterojunction Ultraviolet Photodetectors15Cu 2 O/Ga 2 O 3 pn-junction photodetector with low dark current and high detectivity7Ferroelectric Depolarization-Field-Enhanced Ag/ZnO/Si:Ga2O3/BFMO/FTO Multijunction Self-Driven Photodetector with Ultrahigh Performance16Catalyst‐Free Polymorphic β‐Ga2O3 Nanomaterials for Solar‐Blind Optoelectronic Devices: Applications in Imaging and Neural Communication15SnS₂/h-BN/SnSe Tri-Layer Heterojunctions for High Responsivity and Low Dark Current Self-Powered Near-Violet Detector3Comprehensive study of high stability AlN based solar blind MSM photodetectors with Ti/Au contacts4Emerging multi-functional delafossite materials: frontier advances and prospective breakthroughs in photoelectronic applications5Highly responsive and stable self-powered solar-blind photodetectors based on Sn doped β-Ga 2 O 3 nanorod arrays4Ru Nanograting-Enhanced Ga 2 O 3 Solar-Blind Photodetectors via Localized Surface Plasmon Resonance9Fabrication of Highly Anisotropic Large‐Area β‐Ga2O3 Thin Films via Crystal Orientation Engineering for Multifunctional Solar‐Blind Polarization‐Sensitive Photodetectors25Printing ultrathin Quasi-2D Ga2O3 for fast yet highly responsive vertical photodetectors12Electrical Performance and Deep-Level Trap Characterization of p-CuGaO2/β-Ga2O3 Heterojunctions for Power Electronics15State‐of‐the‐Art Solar Blind and X‐Ray Photodetectors Based on Gallium Oxide17Ultra-wide Dynamic Range 109 dB β-Ga2O3 Photodetector Array: Broadest Linear Response from Dim to Bright Light3Enhanced‐Performance UV Photodetectors via Efficient Passivation of the SnO 2 /Perovskite Interface Using Cl‐Terminated Mo 4/3 B 2− x MBene for High‐Definition Ultraviolet Imaging4A decade of gallium oxide thin film research: a bibliometric and co-citation network analysis0Ultrasensitive and Ultrafast Self‐Powered Ultraviolet Photodetector Array for Solar‐Blind and Weak‐Light Imaging17Dual-Functional Ni/4H-SiC Schottky Interfaces: Robust UV and X-ray Detection, Imaging in Extreme Environments1Interface-engineered p-CsCu 2 I 3 /n-Ga 2 O 3 nanowire heterojunctions for self-powered ultraviolet photodetection1Machine Learning‐Guided Discovery of Novel p ‐Type Heterojunction Materials for High‐Efficiency β‐Ga 2 O 3 Power Electronics0Sol-gel synthesized Ga2O3/InGaO heterojunction-based MSM solar-blind photodetector with ohmic contacts for high-performance UV detection3Fully‐Printed Transparent InGaO Neuromorphic Visual Systems for Solar‐Blind Bichromatic In‐Sensor Computing6Ultrahigh Photocurrent in a Self-Powered Deep Ultraviolet Photodetector via P+/P/N-β-Ga 2 O 3 Heterojunction and Patterned Top-Electrode Design0GaN/Sn:Ga 2 O 3 Nanowire Network n–n Heterojunction for High-Photocurrent Self-Powered Solar-Blind Photodetection4Domain engineered gallium oxide phototransistors enabling intelligent ultraviolet vision with dynamic gating4Realization of High-Performance Solar-Blind Ultraviolet Detection through Substrate and Bandgap Engineering: Construction and Mechanism of the STO/Ga 2 O 3 Heterojunction3High-Performance Narrow-Band Self-Powered Solar-Blind Ultraviolet Photodetector Enabled by the Hf 0.5 Zr 0.5 O 2 /(Sn 0.1 Ga 0.9 ) 2 O 3 Heterojunction0Self-powered UV photodetector based on type-II Be0.06Zn0.94O0.77S0.23/Ga2O3 heterojunction with dual built-in electric fields synergy1Work function engineering of MXene contacts for high-performance, self-powered AlGaN solar-blind photodetectors0High-performance self-powered p-GaN/Ga 2 O 3 solar-blind photodetector via in situ GaON interface engineering1Ultrawide bandgap NiCo/β-Ga2O3 Schottky detectors for solar-blind UV response, low-dose X-ray detection, and X-ray imaging1Ultrafast Ultraviolet Optoelectronic Logic Gate Devices with Ultralow Energy Consumption0ZnO thin film-enhanced solar-blind ultraviolet photodetection in β-Ga2O3 and its application for highly sensitive albumin detection1Magnesium-composition engineering of p -type Ni1−xMgxO thin films for enhanced self-powered β -Ga2O3 photodetection0Advances in β -Ga2O3-based PN junctions for solar-blind ultraviolet photodetectors0Self-Powered High-Performance Solar-Blind/Near Ultraviolet Dual-Band Photodetector Based on β -Ga 2 O 3 /CuAlO 2 Heterojunction0Ultraviolet Photodetector Based on Mg–N: Β‐Ga 2 O 3 /GaN Heterostructure0

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    Jing Tian, Xiaolu Song, Sishuo Yang, Bo Chen, Shiwen Lei, Xiping Zhang, L. X. Qian

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  2. Photoelectrochemical properties of self-powered corundum-structured Ga2O3 nanorod array/fluorine-doped SnO2 photodetectors modulated by precursor concentrations

    Nanotechnology · 2024-05-03

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  3. High‐Performance Self‐Powered Deep Ultraviolet Photodetector Based on NiO/β‐Ga2O3 Heterojunction with High Responsivity and Selectivity

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  4. Photodetection and stability of p-CuInO2/n-GaN epitaxial heterojunction with a Cu2In2O5 passivation layer

    Optical Materials · 2024-07-16

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  5. Wavelength Modulation and Fast Response of Mixed-Phase β-Ga2O3:Zn/SnO2 in-Plane Heterojunction Ultraviolet Photodetectors

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  6. Cu 2 O/Ga 2 O 3 pn-junction photodetector with low dark current and high detectivity

    Journal of Materials Chemistry C · 2024-11-04

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  7. Ferroelectric Depolarization-Field-Enhanced Ag/ZnO/Si:Ga2O3/BFMO/FTO Multijunction Self-Driven Photodetector with Ultrahigh Performance

    ACS Photonics · 2024-11-08

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  8. Catalyst‐Free Polymorphic β‐Ga2O3 Nanomaterials for Solar‐Blind Optoelectronic Devices: Applications in Imaging and Neural Communication

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  9. SnS₂/h-BN/SnSe Tri-Layer Heterojunctions for High Responsivity and Low Dark Current Self-Powered Near-Violet Detector

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  10. Comprehensive study of high stability AlN based solar blind MSM photodetectors with Ti/Au contacts

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  11. Emerging multi-functional delafossite materials: frontier advances and prospective breakthroughs in photoelectronic applications

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  12. Highly responsive and stable self-powered solar-blind photodetectors based on Sn doped β-Ga 2 O 3 nanorod arrays

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  13. Ru Nanograting-Enhanced Ga 2 O 3 Solar-Blind Photodetectors via Localized Surface Plasmon Resonance

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  14. Fabrication of Highly Anisotropic Large‐Area β‐Ga2O3 Thin Films via Crystal Orientation Engineering for Multifunctional Solar‐Blind Polarization‐Sensitive Photodetectors

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  15. Printing ultrathin Quasi-2D Ga2O3 for fast yet highly responsive vertical photodetectors

    npj 2D Materials and Applications · 2025-07-01

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  16. Electrical Performance and Deep-Level Trap Characterization of p-CuGaO2/β-Ga2O3 Heterojunctions for Power Electronics

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  17. State‐of‐the‐Art Solar Blind and X‐Ray Photodetectors Based on Gallium Oxide

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  18. Ultra-wide Dynamic Range 109 dB β-Ga2O3 Photodetector Array: Broadest Linear Response from Dim to Bright Light

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  19. Enhanced‐Performance UV Photodetectors via Efficient Passivation of the SnO 2 /Perovskite Interface Using Cl‐Terminated Mo 4/3 B 2− x MBene for High‐Definition Ultraviolet Imaging

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  20. A decade of gallium oxide thin film research: a bibliometric and co-citation network analysis

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  21. Ultrasensitive and Ultrafast Self‐Powered Ultraviolet Photodetector Array for Solar‐Blind and Weak‐Light Imaging

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  22. Dual-Functional Ni/4H-SiC Schottky Interfaces: Robust UV and X-ray Detection, Imaging in Extreme Environments

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  23. Interface-engineered p-CsCu 2 I 3 /n-Ga 2 O 3 nanowire heterojunctions for self-powered ultraviolet photodetection

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  24. Machine Learning‐Guided Discovery of Novel p ‐Type Heterojunction Materials for High‐Efficiency β‐Ga 2 O 3 Power Electronics

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  25. Sol-gel synthesized Ga2O3/InGaO heterojunction-based MSM solar-blind photodetector with ohmic contacts for high-performance UV detection

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  27. Ultrahigh Photocurrent in a Self-Powered Deep Ultraviolet Photodetector via P+/P/N-β-Ga 2 O 3 Heterojunction and Patterned Top-Electrode Design

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  28. GaN/Sn:Ga 2 O 3 Nanowire Network n–n Heterojunction for High-Photocurrent Self-Powered Solar-Blind Photodetection

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  29. Domain engineered gallium oxide phototransistors enabling intelligent ultraviolet vision with dynamic gating

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  30. Realization of High-Performance Solar-Blind Ultraviolet Detection through Substrate and Bandgap Engineering: Construction and Mechanism of the STO/Ga 2 O 3 Heterojunction

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  31. High-Performance Narrow-Band Self-Powered Solar-Blind Ultraviolet Photodetector Enabled by the Hf 0.5 Zr 0.5 O 2 /(Sn 0.1 Ga 0.9 ) 2 O 3 Heterojunction

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  34. High-performance self-powered p-GaN/Ga 2 O 3 solar-blind photodetector via in situ GaON interface engineering

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  38. Magnesium-composition engineering of p -type Ni1−xMgxO thin films for enhanced self-powered β -Ga2O3 photodetection

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