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

Ramu Pasupathi Sugavaneshwar | Zendy; Kai Chen | Zendy; G. Lakshminarayana | Zendy; Satoshi Ishii | Zendy; Thang Duy Dao | Zendy; Naoto Umezawa | Zendy; Tadaaki Nagao | Zendy

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

Author(s) -

Ramu Pasupathi Sugavaneshwar,

Kai Chen,

G. Lakshminarayana,

Satoshi Ishii,

Thang Duy Dao,

Naoto Umezawa,

Tadaaki Nagao

Publication year - 2015

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4935305

Subject(s) - photocurrent , materials science , doping , cathodic protection , anode , nanoparticle , plasmon , photoconductivity , sol gel , optoelectronics , thin film , photoelectrochemistry , nanotechnology , electrode , electrochemistry , chemistry

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

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