Characterization and Photoluminescence of CdS Nanoparticles Synthesized in Diethyl Ether–Sodium Dioctylsulfosuccinate–Water Microemulsion System
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概要
- 論文の詳細を見る
Spherical cadmium sulfide (CdS) nanoparticles, 4–5 nm in diameter, were synthesized using an aqueous cadmium nitride [Cd(NO3)2$\cdot$4H2O] and sodium sulfide [Na2S$\cdot$9H2O] solution in a microemulsion system. The effects of the water to surfactant molar ratio ($W$ = [water]/[surfactant]), the concentration of precursors, the Cd to S precursor ratio, and the density of the ultrasonic wave on the properties of the CdS nanoparticles were examined. The luminescent properties and the size effect of the nanoparticles were characterized using UV–vis absorption and photoluminescence (PL) spectra. The PL emission intensity did not change significantly with an increase in precursor and surfactant concentrations. The absorption edge and PL peak energy of the CdS nanoparticles shifted to shorter wavelengths with an increase in cadmium nitride concentration owing to a phase change and a decrease in CdS nanoparticle size.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-10-15
著者
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Kim Sung
Department Of Anatomy
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Kim Sangsig
Department Of Electrical Engineering And Institute For Nano Science Korea University
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Yu Hong
Department Of Biliary Surgery Shengjing Hospital Affiliated With China Medical University
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Park Kwanhwi
Department Of Chemical And Biological Engineering Korea University
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Kang Hyun
Department of Chemical and Biological Engineering, Korea University
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Kang Hyun
Department of Chemical and Biological Engineering, Korea University, 1,5-Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Republic of Korea
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Kim Sangsig
Department of Electrical Engineering, Korea University, 1,5-Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Republic of Korea
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Yu Hong
Department of Chemical and Biological Engineering, Korea University, 1,5-Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Republic of Korea
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Park Kwanhwi
Department of Chemical and Biological Engineering, Korea University, 1,5-Ka, Anam-Dong, Sungbuk-Ku, Seoul 136-701, Republic of Korea
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Kim Sung
Department of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon, Gyeonggi 440-746, Republic of Korea
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Kim Sung
Department of Advanced Materials Engineering for Information and Electronics, Kyung Hee University, Yongin, Gyeonggi 446-701, Republic of Korea
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