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Bright white light emission from ultrasmall cadmium selenide nanocrystals.

A simple treatment method using formic acid has been found to increase the fluorescence quantum yield of ultrasmall white light-emitting CdSe nanocrystals from 8% to 45%. Brighter white-light emission occurs with other carboxylic acids as well, and the magnitude of the quantum yield enhancement is s... Full description

Journal Title: Journal of the American Chemical Society May 16, 2012, Vol.134(19), pp.8006-8009
Main Author: Rosson, Teresa E
Other Authors: Claiborne, Sarah M , Mcbride, James R , Stratton, Benjamin S , Rosenthal, Sandra J
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1520-5126 ; DOI: 1520-5126 ; DOI: 10.1021/ja300132p
Link: http://search.proquest.com/docview/1014112891/?pq-origsite=primo
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recordid: proquest1014112891
title: Bright white light emission from ultrasmall cadmium selenide nanocrystals.
format: Article
creator:
  • Rosson, Teresa E
  • Claiborne, Sarah M
  • Mcbride, James R
  • Stratton, Benjamin S
  • Rosenthal, Sandra J
subjects:
  • Cadmium Compounds–Chemistry
  • Color–Chemistry
  • Formates–Chemistry
  • Light–Chemistry
  • Nanoparticles–Chemistry
  • Particle Size–Chemistry
  • Selenium Compounds–Chemistry
  • Spectrum Analysis–Chemistry
  • Cadmium Compounds
  • Formates
  • Selenium Compounds
  • Formic Acid
  • Cadmium Selenide
ispartof: Journal of the American Chemical Society, May 16, 2012, Vol.134(19), pp.8006-8009
description: A simple treatment method using formic acid has been found to increase the fluorescence quantum yield of ultrasmall white light-emitting CdSe nanocrystals from 8% to 45%. Brighter white-light emission occurs with other carboxylic acids as well, and the magnitude of the quantum yield enhancement is shown to be dependent on the alkyl chain length. Additionally, the nanocrystal luminescence remains enhanced relative to the untreated nanocrystals over several days. This brightened emission opens the possibility for even further quantum yield improvement and potential for use of these white-light nanocrystals in solid-state lighting applications. Journal Article.
language: eng
source:
identifier: E-ISSN: 1520-5126 ; DOI: 1520-5126 ; DOI: 10.1021/ja300132p
fulltext: no_fulltext
issn:
  • 15205126
  • 1520-5126
url: Link


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titleBright white light emission from ultrasmall cadmium selenide nanocrystals.
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subjectCadmium Compounds–Chemistry ; Color–Chemistry ; Formates–Chemistry ; Light–Chemistry ; Nanoparticles–Chemistry ; Particle Size–Chemistry ; Selenium Compounds–Chemistry ; Spectrum Analysis–Chemistry ; Cadmium Compounds ; Formates ; Selenium Compounds ; Formic Acid ; Cadmium Selenide
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descriptionA simple treatment method using formic acid has been found to increase the fluorescence quantum yield of ultrasmall white light-emitting CdSe nanocrystals from 8% to 45%. Brighter white-light emission occurs with other carboxylic acids as well, and the magnitude of the quantum yield enhancement is shown to be dependent on the alkyl chain length. Additionally, the nanocrystal luminescence remains enhanced relative to the untreated nanocrystals over several days. This brightened emission opens the possibility for even further quantum yield improvement and potential for use of these white-light nanocrystals in solid-state lighting applications. Journal Article.
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