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首页> 外文期刊>Advanced Sustainable Systems >In Situ Preparation of Mn0.2Cd0.8S‐Diethylenetriamine/Porous g‐C3N4 S‐Scheme Heterojunction with Enhanced Photocatalytic Hydrogen Production
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In Situ Preparation of Mn0.2Cd0.8S‐Diethylenetriamine/Porous g‐C3N4 S‐Scheme Heterojunction with Enhanced Photocatalytic Hydrogen Production

机译：原位制备Mn0.2Cd0.8S-二乙烯三胺/多孔g-C3N4 S-型异质结增强光催化制氢

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Abstract The design of a step‐scheme (S‐scheme) heterojunction can promote the separation of photogenerated carriers and optimize the oxidation–reduction capacity of the photocatalyst to the greatest possible extent. It is one of the most effective schemes for enhancing the efficiency of photocatalytic hydrogen production. In this work, an S‐scheme of Mn0.2Cd0.8S‐diethylenetriamine/porous g‐C3N4 (MCS/PCN) heterojunction is designed, which accelerates the charge transfer at the interface of Mn0.2Cd0.8S‐diethylenetriamine (Mn0.2Cd0.8S‐DETA) and porous g‐C3N4 (Pg‐C3N4), and provides electrons for photocatalytic hydrogen production. Under the same light conditions, the hydrogen production efficiency of the MCS/PCN composite is 11.42 mmol h‐1 g‐1, which is 30 times higher than that of pure Pg‐C3N4. By constructing this in situ grown S‐scheme heterojunction, a new direction for the precise design of charge separation is provided.
机译：抽象的一个步骤的设计方案(计划)应承担的异质结能促进的分离photogenerated运营商和优化光催化剂的氧化还原能力在最大可能范围内。提高最有效的方案光催化制氢的效率。在这项工作中,一个年代的方案Mn0.2Cd0.8S二乙三胺/多孔g C3N4应承担的(MCS / PCN)异质结的设计加速界面的电荷转移并提供电子光催化制氢。条件下,氢的生产效率MCS / PCN复合11.42更易与h量1克高1这是30倍的纯Pg C3N4。年代还是计划异质结,一个新的方向精确的电荷分离的设计。

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