Studies of nanoparticulate cadmium sulfide in amphiphilic polymaleic acid octadecanol ester Langmuir-Blodgett films

Lin Song Li, Jian Jin, Yan Qing Tian, Ying Ying Zhao, Tie Jin Li, Shi Mei Jiang, Zhu Liang Du, Guo Hong Ma, Ning Zheng

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

The reversed micelles of CdS nanoparticles capped with oligomer-polymaleic acid octadecanol ester (PMAO) were synthesized by a colloid chemical method in an aqueous system. The chemical ratio of PMAO between the carboxylic group and the hydrocarbon chain was controlled to 1.5:1. The PMAO-capped CdS nanoparticles were transferred on to CaF2 and Si substrates by the Langmuir-Blodgett (LB) technique. Surface pressure-area isotherms indicated that PMAO-capped CdS nanoparticles could form a stable monolayer on the water subphase. The measurement of FTIR and small angle X-ray diffraction showed that the reversed micelles of PMAO-capped CdS nanoparticles were formed with a uniform size and order in LB films. The photoluminescence properties of PMAO-capped CdS both in the solution and in the LB film indicated that the photoluminescence peaks of reversed micelles obviously changed as a result of the energy transfer from PMAO to CdS and the interaction between clusters.

Original languageEnglish (US)
Pages (from-to)475-478
Number of pages4
JournalSupramolecular Science
Volume5
Issue number5-6
DOIs
StatePublished - 1998
Externally publishedYes
EventProceedings of the 7th International Conference on Molecular Electronics and Biocomputing - Nanjing, China
Duration: Nov 10 1997Nov 12 1997

ASJC Scopus subject areas

  • General Engineering

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