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Rapid Charge Extraction via Hole and Electron Transfer Layers on Cu2O Photocathode for Stable and Efficient Photoelectrochemical Water Reduction [PDF]
Advanced SciencePhotoelectrochemical (PEC) water reduction offers a promising method for generating “green” hydrogen. The hydrogen evolution reaction (HER) at the photocathode is significantly constrained, primarily because of the rapid recombination of photogenerated ...
Shuangshuang Huai +10 more
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Design and optimization of low-emittance C-band photocathode RF electron gun
He jishu, 2021 BackgroundFree electron laser (FEL) has extremely high requirements on emittance of the electron beam. In recent years, electron guns that can produce short electron bunches and have high brightness properties have become an important challenge and ...
WANG Lin, FANG Wencheng, ZHAO Zhentang
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Overview and Progress Toward High-Efficiency, Air Stable, Cs-Free III-Nitride Photocathode Detectors
IEEE Photonics Journal, 2022 We review the recent progress to achieve air stable III-nitride photocathodes for applications as photon detectors. High conductivity p-type films are critically important to realize high quantum efficiency (QE) photocathodes with effective negative ...
Emma Rocco +6 more
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Global Challenges, 2020 Cupric oxide (CuO) is a promising candidate as a photocathode for visible‐light‐driven photo‐electrochemical (PEC) water splitting. However, the stability of the CuO photocathode against photo‐corrosion is crucial for developing CuO‐based PEC cells. This
Goutam Kumar Dalapati +10 more
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Efficient photoelectrochemical conversion of CO2 to syngas by photocathode engineering
Green Energy & Environment, 2022 The synthesis of renewable chemical fuels from CO2 and H2O via photoelectrochemical (PEC) route reprensents a promising room-temperature approach for transforming greenhouse gas into value-added chemicals (e.g., syngas), but to date it has been hampered ...
Sheng Chu +7 more
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Monte Carlo simulations of electron photoemission from plasmon-enhanced bialkali photocathode
Physical Review Accelerators and Beams, 2021 Photocathodes based on bialkali antimonides have great potential in the field of high-brightness electron sources. In this paper, the influence of incident light absorption on the performance of K_{2}CsSb photocathodes was studied using Monte Carlo ...
Zenggong Jiang +5 more
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High-brightness graphite photocathodes [PDF]
APL PhotonicsA robust and infrared laser-excited photocathode with high quantum efficiency, high brightness, and low cost, operating under a moderate vacuum, has long been sought by the accelerator and microscopy communities.
Po-Hsun Wu, Yu-Chieh Lo, Yen-Chieh Huang
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Photoelectrochemical Performance of a CuBi2O4 Photocathode with H2O2 as a Scavenger
Inorganics, 2023 Photoelectrochemical (PEC) water splitting is an eco-friendly method for producing clean and sustainable hydrogen fuels. Compared with the fabrication of solar hydrogen using n-type metal oxide semiconductor photoanodes, that of solar hydrogen using p ...
Zohreh Masoumi +7 more
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Quantum Yield of Reflection Mode Varied Doping GaN Photocathode
MATEC Web of Conferences, 2016 Using the NEA photocathode activation and evaluation experiment system, the varied doping GaN photocathode has been activated and evaluated. According to the diffusion and orientation drifting equation, the quantum yield formula of reflection mode varied
Qiao Jianliang +3 more
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Study of Negative Electron Affinity Property for Varied Doping GaN Photocathode
MATEC Web of Conferences, 2016 Negative electron affinity (NEA) property means that the vacuum level is lower than the conduction band minimum in the bulk. For GaN photocathode, the effective electron affinity of the material is smaller than zero.
Qiao Jianliang +2 more
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