Effects of gold nanoparticles on photocurrents of zinc-porphyrin-viologen linked compound-gold nanoparticle composite films

Ryuji Matsumoto; Sunao Yamada; Hiroaki Yonemura

doi:10.1080/15421406.2014.933302

Effects of gold nanoparticles on photocurrents of zinc-porphyrin-viologen linked compound-gold nanoparticle composite films

Ryuji Matsumoto, Sunao Yamada, Hiroaki Yonemura

Materials Science and Engineering, School of Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The fabrication of a zinc-porphyrin(ZnP)-viologen(V) linked compound with six methylene group (ZnP(6)V)-gold nanoparticle (AuP) composite films on indium-tin-oxide (ITO) electrodes were performed by the electrostatic layer-by-layer adsorption technique. The photocurrents in ZnP(6)V-AuP composite films were larger than those in ZnP(6)V films, and were much larger than those in ZnP films as a reference. The large enhancement of the photocurrents in ZnP(6)V-AuP composite films are most likely attributable to the combination of localized surface plasmon resonance due to AuP and photoinduced intramolecular electron-transfer due to the V moiety in the linked compound.

Original language	English
Pages (from-to)	86-91
Number of pages	6
Journal	Molecular Crystals and Liquid Crystals
Volume	598
Issue number	1
DOIs	https://doi.org/10.1080/15421406.2014.933302
Publication status	Published - Jul 24 2014

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Effects of gold nanoparticles on photocurrents of zinc-porphyrin-viologen linked compound-gold nanoparticle composite films",

abstract = "The fabrication of a zinc-porphyrin(ZnP)-viologen(V) linked compound with six methylene group (ZnP(6)V)-gold nanoparticle (AuP) composite films on indium-tin-oxide (ITO) electrodes were performed by the electrostatic layer-by-layer adsorption technique. The photocurrents in ZnP(6)V-AuP composite films were larger than those in ZnP(6)V films, and were much larger than those in ZnP films as a reference. The large enhancement of the photocurrents in ZnP(6)V-AuP composite films are most likely attributable to the combination of localized surface plasmon resonance due to AuP and photoinduced intramolecular electron-transfer due to the V moiety in the linked compound.",

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AB - The fabrication of a zinc-porphyrin(ZnP)-viologen(V) linked compound with six methylene group (ZnP(6)V)-gold nanoparticle (AuP) composite films on indium-tin-oxide (ITO) electrodes were performed by the electrostatic layer-by-layer adsorption technique. The photocurrents in ZnP(6)V-AuP composite films were larger than those in ZnP(6)V films, and were much larger than those in ZnP films as a reference. The large enhancement of the photocurrents in ZnP(6)V-AuP composite films are most likely attributable to the combination of localized surface plasmon resonance due to AuP and photoinduced intramolecular electron-transfer due to the V moiety in the linked compound.

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