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TiN Nanoparticle-Incorporated C3N4-C Dot Sheets for Efficient Solar Light Absorptionand Photoelectrochemical Conversion

机译:掺有TiN纳米颗粒的C3N4-C点片,可有效吸收太阳光并进行光电化学转化

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In the past few decades, several different visible light-active photocatalytic materials such as composite metal oxides, sulfides, and oxynitrides, and noble metal-based plasmonic photocatalysts have been developed.1 To improve the performance of photoelectrochemical (PEC) water splitting, further improvement in the light absorption ability of the photocatalyst is required. Recently, Wang et al. have reported polymeric graphite-like carbon nitride (C3N4) as a stable metal-free photocatalyst for water splitting under visible light irradiation.2 During water splitting, C3N4 requires sacrificial reagent and also suffers from poisoning by the produced H2O2. Various attempt have been made to improve the catalytic activity of C3N4.2 It has been proposed that plasmonic metal nanostructures can improve the solar energy conversion efficiency of inorganic/semiconductor materials.1,2 Titanium nitride (TiN), which is a conductive ceramic and an alternative plasmonic material in the visible and near-infrared region, has been found to be a promising material for photoexciting hot carriers.
机译:在过去的几十年中,已经开发了几种不同的可见光活性光催化材料,例如复合金属氧化物,硫化物和氧氮化物,以及贵金属基等离激元光催化剂。1为了改善光电化学(PEC)的水分解性能,进一步需要提高光催化剂的光吸收能力。最近,Wang等。已有报道说,聚合石墨状的氮化碳(C3N4)是一种稳定的无金属光催化剂,可在可见光照射下进行水分解。2在水分解过程中,C3N4需要牺牲试剂,而且还会因生成的H2O2引起中毒。已经进行了各种尝试来提高C3N4.2的催化活性。已经提出,等离子体金属纳米结构可以提高无机/半导体材料的太阳能转化效率。1,2,氮化钛(TiN),它是一种导电陶瓷,并且已经发现在可见光和近红外区域中的替代等离子体材料是用于光激发热载流子的有前途的材料。

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    National Institute for Materials Science (NIMS) Tsukuba Ibaraki 305-0044 Japan SHINDE.Satishlaxman@nims.go.jp;

    National Institute for Materials Science (NIMS) Tsukuba Ibaraki 305-0044 Japan;

    National Institute for Materials Science (NIMS) Tsukuba Ibaraki 305-0044 Japan Hokkaido University Kita-ku Sapporo 060-0808 Japan;

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