Author

Guang-Ping Yi

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Sep 2026

Engineered Charge Separation and Utilization in Oxygen-Vacancy-Mediated S-scheme Heterojunction for Enhanced Photoredox Catalysis

Defect-mediated S-scheme heterojunction engineering offers a compelling strategy for advancing photocatalytic solar energy conversion. Herein, an S-scheme heterojunction photocatalyst is designed by coupling one-dimensional oxygen-vacancy-rich K2Ti8O17–x nanowires to two-dimensional g-C3N4 porous nanosheets via elect...

Qiang Wang, Zhao Jing, Xiao-Fan Yang et al. · ACS Catalysis · 0 citations

Sep 2026

Boosting the Solar Water-Splitting Performance of a CuO Photocathode via Synergetic Interfacial Hole Extraction and Surface Electron Collection

P-type cupric oxide (CuO) is a promising photocathode material for solar hydrogen production, whereas its practical application is severely limited by constrained photoelectrochemical (PEC) performance and poor photostability. Herein, an integrated NiO/CuO/CuS photocathode has been developed, in which an ultrathin Ni...

Xiao-Fan Yang, Qiang Wang, Guang-Ping Yi et al. · ACS Catalysis · 0 citations

Sep 2026

Synergistic Surface/Bulk Charge Modulation Enables Record-Level Photocurrent in Hematite Photoanodes without Co-Catalysts for Photoelectrochemical Water Splitting

Hematite (α-Fe2O3) photoanodes are limited by poor bulk conductivity and severe surface recombination, which hinder their photoelectrochemical (PEC) water-splitting activity. We demonstrate that a simple, rapid microwave-sintering (RMS) route simultaneously incorporates Ti into the bulk and establishes a Ge surface g...

Yi-Ping Zhao, Jia-He Ru, Hong Liu et al. · ACS Catalysis · 0 citations