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A Dual Plasmonic Photoelectrode System for Visible‐Light Photocatalysis
ChemNanoMat ( IF 2.6 ) Pub Date : 2020-02-25 , DOI: 10.1002/cnma.201900751 Hiroyasu Nishi 1 , Koji Miyake 1 , Kun‐Che Kao 1 , Tetsu Tatsuma 1
ChemNanoMat ( IF 2.6 ) Pub Date : 2020-02-25 , DOI: 10.1002/cnma.201900751 Hiroyasu Nishi 1 , Koji Miyake 1 , Kun‐Che Kao 1 , Tetsu Tatsuma 1
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Plasmonic photocathodes based on plasmon‐induced charge separation (PICS) were prepared by depositing an Au nanoparticle (AuNP) ensemble on a transparent electrode and coating it with compact TiO2. Its PICS efficiency was improved by coating it further with porous TiO2 or introducing a NiO blocking layer as an underlayer of the AuNP ensemble. The former photocathode was modified further with Pt co‐catalyst nanoparticles, and combined with a PICS photoanode fabricated by depositing a AuNP ensemble on compact TiO2 and coating it with a Ni(OH)2 charge accumulation layer. The dual plasmonic photoelectrode system thus obtained exhibited a higher efficiency than the sum of the efficiencies of the single photoanode and single photocathode.
中文翻译：
可见光光催化双等离子光电极系统
通过在透明电极上沉积金纳米粒子（AuNP）集合体并用致密的TiO 2涂层来制备基于等离激元诱导的电荷分离（PICS）的等离子光电阴极。通过进一步用多孔TiO 2涂覆或引入NiO阻挡层作为AuNP集成的底层，可以提高其PICS效率。以前的光电阴极进一步用Pt助催化剂纳米粒子进行了修饰，并与通过在紧凑的TiO 2上沉积AuNP集成体并用Ni（OH）2电荷积累层涂覆而制成的PICS光电阳极相结合。如此获得的双等离激元光电极系统显示出比单光电阳极和单光电阴极的效率之和更高的效率。
更新日期：2020-02-25
中文翻译：
可见光光催化双等离子光电极系统
通过在透明电极上沉积金纳米粒子（AuNP）集合体并用致密的TiO 2涂层来制备基于等离激元诱导的电荷分离（PICS）的等离子光电阴极。通过进一步用多孔TiO 2涂覆或引入NiO阻挡层作为AuNP集成的底层，可以提高其PICS效率。以前的光电阴极进一步用Pt助催化剂纳米粒子进行了修饰，并与通过在紧凑的TiO 2上沉积AuNP集成体并用Ni（OH）2电荷积累层涂覆而制成的PICS光电阳极相结合。如此获得的双等离激元光电极系统显示出比单光电阳极和单光电阴极的效率之和更高的效率。
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