V-shaped tin oxide nanostructures featuring a broad photocurrent signal: An effective visible-light-driven photocatalyst

Geng Wang; Wu Lu; Jinghong Li; Jiyoung Choi; Yeonseok Jeong; Sung Yool Choi; Jong Bong Park; Min Ki Ryu; Kwangyeol Lee

doi:10.1002/smll.200600216

V-shaped tin oxide nanostructures featuring a broad photocurrent signal: An effective visible-light-driven photocatalyst

Geng Wang, Wu Lu, Jinghong Li, Jiyoung Choi, Yeonseok Jeong, Sung Yool Choi, Jong Bong Park, Min Ki Ryu, Kwangyeol Lee

Department of Chemistry

Research output: Contribution to journal › Article

128 Citations (Scopus)

Abstract

The growth-direction-selective synthesis of soluble tin oxide (SnO ₂) nanorods and bipods with small diameters based on the oleylamine-assited hydrolysis of tin alkoxide in the presence of oleic acid was reported. Measurements of the photocurrent action spectras were performed in a home-built PEC (photochemical properties), in order to examine the PEC properties of SnO₂ nanomaterials. Mott-Schottky (MS) measurements were performed in darkness by using the impedance technique, to understand the difference in electronic properties. The SnO₂) biped electrode showed a large negative shift of the conduction band. The broad photocurrent feature of SnO₂) bipods suggested light conversion efficiency due to the effective utilization of visible light. The photocurrent action spectra, Mott-Schottky plots, and the PL emission spectra revealed that every SnO ₂ electrode had unique photoelectrochemical properties.

Original language	English
Pages (from-to)	1436-1439
Number of pages	4
Journal	Small
Volume	2
Issue number	12
DOIs	https://doi.org/10.1002/smll.200600216
Publication status	Published - 2006 Dec

Keywords

Electrodes
Nanostructures
Photocatalysis
Semiconductors
Tin oxide

ASJC Scopus subject areas

Biotechnology
Biomaterials
Chemistry(all)
Materials Science(all)

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title = "V-shaped tin oxide nanostructures featuring a broad photocurrent signal: An effective visible-light-driven photocatalyst",

abstract = "The growth-direction-selective synthesis of soluble tin oxide (SnO 2) nanorods and bipods with small diameters based on the oleylamine-assited hydrolysis of tin alkoxide in the presence of oleic acid was reported. Measurements of the photocurrent action spectras were performed in a home-built PEC (photochemical properties), in order to examine the PEC properties of SnO2 nanomaterials. Mott-Schottky (MS) measurements were performed in darkness by using the impedance technique, to understand the difference in electronic properties. The SnO2) biped electrode showed a large negative shift of the conduction band. The broad photocurrent feature of SnO2) bipods suggested light conversion efficiency due to the effective utilization of visible light. The photocurrent action spectra, Mott-Schottky plots, and the PL emission spectra revealed that every SnO 2 electrode had unique photoelectrochemical properties.",

keywords = "Electrodes, Nanostructures, Photocatalysis, Semiconductors, Tin oxide",

author = "Geng Wang and Wu Lu and Jinghong Li and Jiyoung Choi and Yeonseok Jeong and Choi, {Sung Yool} and Park, {Jong Bong} and Ryu, {Min Ki} and Kwangyeol Lee",

year = "2006",

month = dec,

doi = "10.1002/smll.200600216",

language = "English",

volume = "2",

pages = "1436--1439",

journal = "Small",

issn = "1613-6810",

publisher = "Wiley-VCH Verlag",

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T2 - An effective visible-light-driven photocatalyst

AU - Wang, Geng

AU - Lu, Wu

AU - Li, Jinghong

AU - Choi, Jiyoung

AU - Jeong, Yeonseok

AU - Choi, Sung Yool

AU - Park, Jong Bong

AU - Ryu, Min Ki

AU - Lee, Kwangyeol

PY - 2006/12

Y1 - 2006/12

N2 - The growth-direction-selective synthesis of soluble tin oxide (SnO 2) nanorods and bipods with small diameters based on the oleylamine-assited hydrolysis of tin alkoxide in the presence of oleic acid was reported. Measurements of the photocurrent action spectras were performed in a home-built PEC (photochemical properties), in order to examine the PEC properties of SnO2 nanomaterials. Mott-Schottky (MS) measurements were performed in darkness by using the impedance technique, to understand the difference in electronic properties. The SnO2) biped electrode showed a large negative shift of the conduction band. The broad photocurrent feature of SnO2) bipods suggested light conversion efficiency due to the effective utilization of visible light. The photocurrent action spectra, Mott-Schottky plots, and the PL emission spectra revealed that every SnO 2 electrode had unique photoelectrochemical properties.

AB - The growth-direction-selective synthesis of soluble tin oxide (SnO 2) nanorods and bipods with small diameters based on the oleylamine-assited hydrolysis of tin alkoxide in the presence of oleic acid was reported. Measurements of the photocurrent action spectras were performed in a home-built PEC (photochemical properties), in order to examine the PEC properties of SnO2 nanomaterials. Mott-Schottky (MS) measurements were performed in darkness by using the impedance technique, to understand the difference in electronic properties. The SnO2) biped electrode showed a large negative shift of the conduction band. The broad photocurrent feature of SnO2) bipods suggested light conversion efficiency due to the effective utilization of visible light. The photocurrent action spectra, Mott-Schottky plots, and the PL emission spectra revealed that every SnO 2 electrode had unique photoelectrochemical properties.

KW - Electrodes

KW - Nanostructures

KW - Photocatalysis

KW - Semiconductors

KW - Tin oxide

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