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CdS-decorated triptycene-based polymer: durable photocatalysts for hydrogen production under visible-light irradiation

机译:基于CD的三联苯基聚合物:可见光照射下氢生产的耐用光催化剂

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摘要

A series of cadmium sulfide (CdS)/triptycene-based polymer (NTP) nanocomposites was fabricated via a facile precipitation process by using Cd.OAc)(2), Na2S, and prefabricated NTP as raw materials. The photocatalytic hydrogen-generating capabilities of the novel CdS-NTP nanocomposites have been investigated in the presence of a sacrificial reagent. After hybridization with NTP, the rate of visible-light-driven hydrogen production of CdS-NTP is 10 times higher than that of pure CdS prepared under the same conditions. The photocorrosion of CdS is simultaneously suppressed and the composites show high stability. The high surface area and stable covalent structure of NTP confines the CdS quantum dots and prevents aggregation, thus increasing the catalytically active sites and enhancing the photocatalytic performance of the hybrid nanocomposites. This work demonstrates a high potential of using porous triptycene-based materials to develop multifunctional porous materials for semiconductor-based photocatalytic hydrogen evolution.
机译:通过使用CD.OAC(2),NA2S和预制的NTP作为原材料,通过简单的降水过程制造了一系列基于硫化镉(CDS)/三倍的聚合物(NTP)纳米复合材料。在存在牺牲试剂的情况下,已经研究了新型CDS-NTP纳米复合材料的光催化氢生成能力。与NTP杂交后,可见光驱动的CDS-NTP氢产生的速率比在相同条件下制备的纯CD的氢生产速率高10倍。 CD的光腐蚀同时被抑制,复合材料显示出较高的稳定性。 NTP的高表面积和稳定的共价结构将CDS量子点限制并防止聚集,从而增加催化活性位点并增强混合纳米复合材料的光催化性能。这项工作证明了使用多孔三苯苯基材料为半导体的光催化氢进化开发多功能材料的高潜力。

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