Influence of silver nanoclusters on formation of PbS quantum dots in glasses |
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| Authors: | Kai Xu Chao Liu Shixun Dai Xiang Shen Xunsi Wang Jong Heo |
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| Institution: | 1. Center for Information Materials, Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH), San 31, Hyoja-dong, Nam-gu, Pohang, Gyeongbuk 790-784, Republic of Korea;2. College of Information Science and Engineering, Ningbo University, Ningbo 315-021, China |
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| Abstract: | Heat-treatment was used to precipitate PbS quantum dots (QDs) in silicate glasses doped with different amounts of Ag2O, and the influence of Ag2O on QDs was investigated. Under given heat-treatment conditions, the absorption coefficients and photoluminescence intensities of PbS QDs increased with the addition of Ag2O. Ag clusters formed by thermal treatment nucleated formation of PbS QDs in glasses. |
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