Ag纳米颗粒增强的Ho3+/Tm3+共掺铋锗酸盐玻璃的2m发光研究

薛冰; 许银生; 李烟塬; 戚嘉妮; 鲁珊珊; 鲁克伦; 陈丽艳; 张绍骞; 戴世勋

doi:10.7498/aps.63.107802

摘要

采用基于传统熔融淬冷技术的热化学还原法制备了系列Ag纳米颗粒复合Ho3+/Tm3+ 共掺铋锗酸盐玻璃样品，研究了Ag纳米颗粒含量对玻璃2 m发光特性的影响. 结果表明，Ag纳米颗粒的表面等离子体共振带位于500900 nm，峰值位于650 nm，透射电子显微镜图像中观察到均匀分布的Ag纳米颗粒，尺寸约为510 nm. 通过测试玻璃样品在1.72.3 um 波段的荧光光谱发现，Ag掺杂后Ho3+ 离子2 m处的荧光强度得到了极大的提高，其中AgCl掺杂质量分数为0.3%时的荧光强度比未掺杂时的荧光强度增强10倍，这归因于Ag纳米颗粒的局域场增强作用. 计算得到Ho3+离子的吸收截面为0.49110-20 cm-2，发射截面为1.0310-20 cm-2，当增益系数为0.2时即可实现正的增益.

关键词:

Abstract

The Ho3+/Tm3+ codoped bismuth germanate glasses containing Ag nanoparticles (NPs) are synthesized by a chemical reduction method based on the conventional melting-quenching technique. The effect of concentration of Ag NPs on the 2 um emission is studied. The absorption band related to the surface plasmon resonance (SPR) of the Ag NPs is located in a range from 500 to 900 nm. Transmission electron microscopic image clearly reveals homogeneously dispersed Ag NPs with the sizes ranging from 5 to 10 nm. The luminescence spectra in a range of 1.7-2.3 um are collected. With the addition mass fraction of the AgCl up to 0.3%, the intensity of emission band of Ho3+ ions, centered at 2.03 um, is increased by 10 folds. The enhancement of 2 um luminescence is attributed to the enhanced local field induced by SPR of Ag NPs. The calculated absorption cross section and emission cross section are 0.491 10-20 cm-2 and 1.0310-20 cm-2, respectively. When the gain coefficient p=0.2, the positive gain would be realised.

Keywords:

作者及机构信息

1.
宁波大学高等技术研究院, 宁波 315211;

2.
宁波大学材料科学与化学工程学院, 宁波 315211;

3.
宁波大学科学技术学院, 宁波 315211;

4.
中国科学院大连化学物理研究所, 大连 116023

基金项目: 国家自然科学基金（批准号：61205181，61308092）、浙江省自然科学基金（批准号：LQ12E02003）、宁波市自然科学基金（批准号：2012A610122）、浙江省教育厅科研计划（批准号：Y201120457）、教育部留学回国人员科研启动基金和宁波大学王宽诚幸福基金资助的课题.

Authors and contacts

1.
Advanced Technology Research Institute, Ningbo University, Ningbo 315211, China;

2.
School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China;

3.
College of Science and Technology, Ningbo University, Ningbo 315211, China;

4.
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61205181, 61308092), the Natural Science Foundation of Zhejiang Province, China (Grant No. LQ12E02003), the Natural Science Foundation of Ningbo, China (Grant No. 2012A610122), the Scientific Research Program of Education Bureau of Zhejiang Province, China (Grant No. Y201120457), the Scientific Research Staring Foundation for the Returned Overseas Chinese Scholars of Ministry of Education, China, and K. C. Wong Magna Foundation in Ningbo University, China.

参考文献

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施引文献

[1]	Zhu J, Dai S X, Peng B, Shen X, Wang X S, Xu T F, Nie Q H 2010 Acta Phys. Sin. 59 5803 (in Chinese) [朱军, 戴世勋, 彭波, 沈祥, 王训四, 徐铁峰, 聂秋华 2010 59 5803]
[2]	Dai S X, Peng B, Le F D, Wang X S, Shen X, Xu T F, Nie Q H 2010 Acta Phys. Sin. 59 3547 (in Chinese) [戴世勋, 彭波, 乐放达, 王训四, 沈祥, 徐铁峰, 聂秋华 2010 59 3547]
[3]	Richards B, Shen S, Jha A, Tsang Y, Binks D 2007 Opt. Express 15 6546
[4]	Zhang X L, Wang Y Z, Shi H F 2006 Acta Phys. Sin. 55 1787 (in Chinese) [张新陆, 王月珠, 史洪峰 2006 55 1787]
[5]	Yi L, Wang M, Feng S, Chen Y, Wang G, Hu L, Zhang J 2009 Opt. Mater. 31 1586
[6]	Huang D D, Yang Q H, Wang Y G, Zhang H J, Lu S Z, Zou Y W, Wei Z Y 2013 Chin. Phys. B 22 037801
[7]	Wang J G, Zhang Z G, Xu J Z, Xu J R, Fu P M, Chen X B 2000 Chin. Phys. 9 210
[8]	Wei S, Xu Y, Dai S, Zhou Y, Lin C, Zhang P 2013 Physica B 416 64 68
[9]	Zhang W J, Zhang Q Y, Chen Q J, Qian Q, Yang Z M, Qiu J R, Huang P, Wang Y S 2009 Opt. Express 17 20952
[10]	Tong J B, Huang Q, Zhang X D, Zhang C S, Zhao Y 2012 Acta Phys. Sin. 61 047801 (in Chinese)[佟建波, 黄茜, 张晓丹, 张存善, 赵颖 2012 61 047801]
[11]	Wu Y, Shen X, Dai S, Xu Y, Chen F, Lin C, Xu T, Nie Q 2011 J. Phys. Chem. C 115 25040
[12]	Qi J, Xu T, Wu Y, Shen X, Dai S, Xu Y 2013 Opt. Mater. 35 2502
[13]	Guo H, Wang X, Chen J, Li F 2010 Opt. Express 18 18900
[14]	Yu W, Wang X Z, Dai W L, Lu W B, Liu Y M, Fu G S 2013 Chin. Phys. B 22 057804
[15]	Eichelbaum M, Rademann K 2009 Adv. Funct. Mater. 19 2045
[16]	Chen F, Dai S, Xu T, Shen X, Lin C, Nie Q, Liu C, Heo J 2011 Chem. Phys. Lett. 514 79
[17]	Tikhomirov V K, Méndez-Ramos J, Rodríguez V D, Furniss D, Seddon A B 2007 J. Alloys Compd. 436 216

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