Plasmon mediated cathodic photocurrent generation in sol-gel synthesized doped SrTiO3 nanofilms

被引：9
|
作者：
Sugavaneshwar, Ramu Pasupathi [1 ,2 ]
Chen, Kai [1 ,2 ]
Lakshminarayana, Gandham [1 ,2 ]
Ishii, Satoshi [1 ,2 ]
Dao, Thang Duy [1 ,2 ]
Umezawa, Naoto [2 ,3 ]
Nagao, Tadaaki [1 ,2 ]
机构：
[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan
[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan
[3] Natl Inst Mat Sci, Environm Remediat Mat Unit, Catalyt Mat Grp, Tsukuba, Ibaraki 3050044, Japan
来源：
APL MATERIALS | 2015年 / 3卷 / 11期
关键词：
INDUCED CHARGE SEPARATION; PHOTOCATALYTIC ACTIVITY; WATER; EFFICIENCY; ELECTRODE;
D O I：
10.1063/1.4935305
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Thin films of SrTiO3 (STO) and Rh-doped SrTiO3 (Rh-STO) were synthesized by sol-gel method and loaded with Ag nanoparticles. Pristine STO films exhibited anodic photocurrent while Rh-STO exhibited cathodic photocurrent. An enhancement in the overall cathodic photocurrent is observed with Ag nanoparticle loading and an additional enhancement in the visible light range is seen from the incident photon-to-current efficiency spectrum due to synergetic effect of Rh doping and Ag loading in STO. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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页数：6
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