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Potential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals.(Report)

The article describes the study of the relationship between the photocatalytic activity and potential gradient of the junction surface prepared from two-dimensional crystals of p-type NiO and n-type calcium niobate (CNO). The results indicate that the photocatalytic [H.sub.2] production rate for the... Full description

Journal Title: Journal of the American Chemical Society Feb 5, 2014, Vol.136(5), p.1872-1878
Main Author: Ida, Shintaro
Other Authors: Takashiba, Akihide , Koga, Shota , Hagiwara, Hidehisa , Ishihara, Tatsumi
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0002-7863
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recordid: gale_ofa361483149
title: Potential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals.(Report)
format: Article
creator:
  • Ida, Shintaro
  • Takashiba, Akihide
  • Koga, Shota
  • Hagiwara, Hidehisa
  • Ishihara, Tatsumi
subjects:
  • Nanocrystals -- Research
  • Photocatalysis -- Analysis
  • Surface Science -- Analysis
ispartof: Journal of the American Chemical Society, Feb 5, 2014, Vol.136(5), p.1872-1878
description: The article describes the study of the relationship between the photocatalytic activity and potential gradient of the junction surface prepared from two-dimensional crystals of p-type NiO and n-type calcium niobate (CNO). The results indicate that the photocatalytic [H.sub.2] production rate for the n-p (CNO/NiO) junction surface is higher than those for p-n (NiO/CNO) junction, p, and n surfaces and the surface potential of the CNO/NiO junction part was lower than that of the CNO crystals in the same CNO crystal surface; the recombination reaction in the CNO nanosheet are suppressed by the specially separated reaction sites which arise due to these potential gradients.
language: English
source:
identifier: ISSN: 0002-7863
fulltext: fulltext
issn:
  • 0002-7863
  • 00027863
url: Link


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titlePotential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals.(Report)
creatorIda, Shintaro ; Takashiba, Akihide ; Koga, Shota ; Hagiwara, Hidehisa ; Ishihara, Tatsumi
ispartofJournal of the American Chemical Society, Feb 5, 2014, Vol.136(5), p.1872-1878
identifierISSN: 0002-7863
subjectNanocrystals -- Research ; Photocatalysis -- Analysis ; Surface Science -- Analysis
descriptionThe article describes the study of the relationship between the photocatalytic activity and potential gradient of the junction surface prepared from two-dimensional crystals of p-type NiO and n-type calcium niobate (CNO). The results indicate that the photocatalytic [H.sub.2] production rate for the n-p (CNO/NiO) junction surface is higher than those for p-n (NiO/CNO) junction, p, and n surfaces and the surface potential of the CNO/NiO junction part was lower than that of the CNO crystals in the same CNO crystal surface; the recombination reaction in the CNO nanosheet are suppressed by the specially separated reaction sites which arise due to these potential gradients.
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titlePotential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals.(Report)
descriptionThe article describes the study of the relationship between the photocatalytic activity and potential gradient of the junction surface prepared from two-dimensional crystals of p-type NiO and n-type calcium niobate (CNO). The results indicate that the photocatalytic [H.sub.2] production rate for the n-p (CNO/NiO) junction surface is higher than those for p-n (NiO/CNO) junction, p, and n surfaces and the surface potential of the CNO/NiO junction part was lower than that of the CNO crystals in the same CNO crystal surface; the recombination reaction in the CNO nanosheet are suppressed by the specially separated reaction sites which arise due to these potential gradients.
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titlePotential gradient and photocatalytic activity of an ultrathin p-n junction surface prepared with two-dimensional semiconducting nanocrystals.(Report)
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abstractThe article describes the study of the relationship between the photocatalytic activity and potential gradient of the junction surface prepared from two-dimensional crystals of p-type NiO and n-type calcium niobate (CNO). The results indicate that the photocatalytic [H.sub.2] production rate for the n-p (CNO/NiO) junction surface is higher than those for p-n (NiO/CNO) junction, p, and n surfaces and the surface potential of the CNO/NiO junction part was lower than that of the CNO crystals in the same CNO crystal surface; the recombination reaction in the CNO nanosheet are suppressed by the specially separated reaction sites which arise due to these potential gradients.
pubAmerican Chemical Society
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pages1872-1878
doi10.1021/ja409465k
eissn15205126
date2014-02-05