光学学报, 2011, 31 (4): 0406002, 网络出版: 2011-03-31   

CdSe/ZnS量子点光纤光致荧光光谱的红移

Red Shift of Photoluminescence Spectrum of CdSe/ZnS-Quantum-Dot Doped Fiber
作者单位
浙江工业大学激光与光电子技术研究所, 浙江 杭州 310023
摘要
制备了一种CdSe/ZnS量子点掺杂光纤,测量了不同掺杂浓度和光纤长度下的量子点光致荧光光谱,得到了荧光峰值波长的红移随量子点光纤掺杂浓度和光纤长度的变化。观测对比了4种不同纤芯本底材料(UV胶、甲苯、正己烷和正癸烷)随光纤长度增加的红移,发现在不同的本底材料中,红移随光纤长度的增加的速率不同。在不同本底材料和不同的掺杂浓度下,最大红移均趋向于20 nm的同一饱和值,该饱和值取决于量子点第一吸收峰的半峰全宽。
Abstract
CdSe/ZnS-quantum-dot doped fibers (QDF) are prepared. By measuring the photoluminescence (PL) spectra of the QDFs with various doping concentrations and fiber lengths, the red shift of the PL peak wavelength of the QDFs is observed, which is dependent on the doping concentration and the fiber length. The red shift as a function of fiber length in four fiber-core materials (toluene, ultraviolet curable adhesive, hexane and decane) is determined. Although the increase/decrease rate of the red shift depends on the core material and the doping concentration, the maximum red shift even approaches to an identical saturation value (20 nm), which is correlated with the full-width at half-maximum(FWHM) of the first absorption peak of the QD.
参考文献

[1] 吴粤湘, 马晓明, 赵晓吉. 铒镱共掺特性对光放大器增益和噪声系数的影响[J]. 光学学报, 2008, 28(6): 1057~1061

    Wu Yuexiang, Ma Xiaoming, Zhao Xiaoji. Effects of Er3+ and Yb3+ concentration on gain and noise coefficient of fiber amplifier[J]. Acta Optica Sinica, 2008, 28(6): 1057~1061

[2] 忻向军, 余重秀, 任建华 等. 抽运方式对混合拉曼光纤放大器性能的影响[J]. 光学学报, 2003, 23(11): 1311~1314

    Xin Xiangjun, Yu Chongxiu, Ren Jianhua et al.. The influence of pumping configuration in hybridraman fiber amplifier on its performance[J]. Acta Optica Sinica, 2003, 23(11): 1311~1314

[3] 楚兴春, 赵尚弘, 吴卓亮 等. Er3+/Yb3+共掺双包层光纤激光器谱组束实验研究[J]. 中国激光, 2010, 37(4): 929~933

    Chu Xingchun, Zhao Shanghong, Wu Zhuoliang et al.. Experimental research on spectral beam combination of Er3+/Yb3+ Co-doped double-clad fiber lasers[J]. Chinese J. Lasers, 2010, 37(4): 929~933

[4] 李平雪, 张雪霞, 邹淑珍 等. 980 nm准连续单模掺镱光纤激光器及放大器实验研究[J]. 中国激光, 2010, 37(7): 1688~1691

    Li Xueping, Zhang Xuexia, Zou Shuzhen et al.. A quasi-continuous-wave 980 nm Yb-doped single-mode fiber laser and amplifier[J]. Chinese J. Lasers, 2010, 37(7): 1688~1691

[5] 刘驰, 漆云风, 周军 等. 高功率单频保偏光纤放大器输出特性研究[J]. 光学学报, 2010, 30(3): 692~695

    Liu Chi, Qi Yunfeng, Zhou Jun et al.. Study on characteristics of high-power single-frequency polarization maintaining fiber amplifier[J]. Acta Optica Sinica, 2010, 30(3): 692~695

[6] . 半导体纳米晶体PbSe量子点光纤放大器[J]. 物理学报, 2006, 55(8): 4139-4144.

    . A semiconductor nanocrystal PbSe quantum dot fiber amplifier[J]. Acta Physica Sinica, 2006, 55(8): 4139-4144.

[7] Cheng Cheng, Peng Xuefeng. Spectral characteristics of a quantum-dot (CdSe/ZnS)-doped fiber in low concentrations[J]. IEEE J. Lightwave Technol, 27(10): 1362~1368

[8] 程成, 曾凤, 程潇羽. 较高掺杂浓度下CdSe/ZnS量子点光纤光致荧光光谱[J]. 光学学报, 2009, 29(10): 2698~2704

    Cheng Cheng, Zeng Feng, Cheng Xiaoyu. Photoluminescence spectra of CdSe/ZnS-quantum dot doped fiber with high doping concentrations[J]. Acta Optica Sinica, 2009, 29(10): 2698~2704

[9] . , Wang Y. A., Peng X. G.. Photochemical instability of CdSe nanocrystals coated by hydrophilic thiols[J]. J. Am. Chem. Soc., 2001, 123(36): 8844-8850.

[10] . , Scher E. C., Li L. S. et al.. Epitaxial growth and photochemical annealing of graded Cds/ZnS shells on colloidal CdSe nanorods[J]. J. Am. Chem. Soc., 2002, 124(24): 7136-7145.

[11] . , Kim S. M., Kim J. H. et al.. Optical gain in CdSe nanocrystals[J]. J. Luminesc., 2007, 122(2): 808-811.

[12] . , Westphaling R., Woggona U. et al.. Optical gain and high quantum efficiency of matrix-free, closely packed CdSe quantum dots[J]. Appl. Phys. Lett., 1997, 71(15): 2181-2183.

[13] Strabburg M., Ledentsov N. N., Hoffmann A. et al.. Gain studies and lasing in excitonic waveguidesof II-VI submonolayer structures[J]. Phys. E., 1998, 2(1-4): 542~546

[14] . I. Klimov, A. A. Mikhailovsky, Su Xu et al.. Optical gain and stimulated emission in nanocrystal quantum dots[J]. Science, 2000, 290(5490): 314-317.

[15] I. Voitenko, J. F. Muth, M. Gerhold et al.. Tunable photoluminescence of polymer doped with PbSe quantum dots[J]. Materials Science and Engineering C, 2007, 27(5-8): 1078~1081

[16] . Craig, M. Paul, S. Cinzia et al.. Incorporation of a highly luminescent semiconductor quantumdot in ZrO2-SiO2 hybrid sol-gel glass film[J]. J. Mater. Chem., 2004, 14(7): 1112-1116.

[17] . Chunxin, O. B. Stephen, B. Lagos. Comparison and stability of CdSe nanocrystals covered with amphiphilic poly (amidoamine) dendrimers[J]. J. Phys. Chem. B, 2002, 106(40): 10316-10321.

程成, 林彦国, 严金华. CdSe/ZnS量子点光纤光致荧光光谱的红移[J]. 光学学报, 2011, 31(4): 0406002. Cheng Cheng, Lin Yanguo, Yan Jinhua. Red Shift of Photoluminescence Spectrum of CdSe/ZnS-Quantum-Dot Doped Fiber[J]. Acta Optica Sinica, 2011, 31(4): 0406002.

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