4.7 Article

A facile reduction of Eu3+ to Eu2+ in gadolinium monosulfide nanoparticles using a mixed solvent of oleic acid/hexadecylamine

Journal

CHEMICAL COMMUNICATIONS
Volume 48, Issue 6, Pages 904-906

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc16632a

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Funding

  1. Korea Research Council for Industrial Science and Technology [SI-1110]
  2. Korean Ministry of Science and Technology [KN-1102]
  3. National Research Council of Science & Technology (NST), Republic of Korea [SI-1110] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We prepared GdS:Eu3+ by simple thermal decomposition under 1-dodecanethiol. A reduction process was observed from Eu3+ to Eu2+ when oleic acid and hexadecylamine were injected into GdS:Eu3+. Under UV excitation, GdS:Eu3+ showed an intense orange-red emission and GdS:Eu2+ showed a broad green band.

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