The superior photocatalytic performance over PdS-ZIS composites compared with blank ZIS is attributed to the function of PdS as oxidation cocatalyst, which dramatically promotes the separation and transfer of photogenerated charge carriers due to its excellent hole trapping ability. Herein, we report the synthesis and application of cocatalyst PdS decorated ZnIn 2S 4 (PdS-ZIS) composites for photocatalytic coupling of thiols into disulfides and H 2 evolution under visible light irradiation. The simultaneous utilization of photogenerated electrons and holes in one cooperative photoredox system for the dehydrocoupling of thiols into value-added disulfides and clean hydrogen (H 2) fuel meets the development criteria of green chemistry. This study focuses on these topics to present the most updated results and the perspectives and challenges for the future development of amorphous electrocatalysts toward water splitting. ![]() Herein, the recent progress of amorphous catalyst materials in water splitting has been systematically reviewed, emphasizing key issues of synthesis methods, stabilization strategies, performance evaluation, mechanistic understanding, integrated experiments, and theoretical studies in water splitting, including hydrogen evolution reaction, oxygen evolution reaction, and overall water splitting. Considering the advancement of novel in-situ techniques and theoretical density functional theory calculations, significant progress emerging in amorphous electrocatalysts for water splitting needs to be summarized urgently. ![]() ![]() Therefore, many amorphous electrocatalysts have emerged for effectively catalyzing water splitting. Amorphous materials can markedly enhance the active site amount and optimize the adsorption and desorption of reactants owing to the special structural characteristics of large numbers of randomly oriented bonds and surface-exposed defects.
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