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半导体量子点在白光LED器件上的应用研究

高小钦 卓宁泽 王海波 崔一平 张家雨

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半导体量子点在白光LED器件上的应用研究

高小钦, 卓宁泽, 王海波, 崔一平, 张家雨

Application of semiconductor quantum dots to white-light-emitting diodes

Gao Xiao-Qin, Zhuo Ning-Ze, Wang Hai-Bo, Cui Yi-Ping, Zhang Jia-Yu
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  • 以CdSe, CuInS2和CdS:Mn量子点为例, 本文基于量子点白光LED器件的电光转换过程, 引入量子点的类光谱光效率函数, 给出了该器件的色坐标、光效和量子点配比等计算公式, 理论计算结果和实验结果基本一致. 研究结果表明量子点的荧光峰位和峰宽对白光器件的显色指数有显著影响.
    Based on the electro-optical energy transfer process, the pseudo-spectral-luminous efficiency function (QD) of quantum dots (QDs) is introduced, the equations of chromaticity coordinates, luminous efficiency, and the QDs' mass of the white-light-emitting devices with CdSe, CuInS2 or CdS:Mn QDs are obtained, and the calculated results are in agreement with the experimental data. For a certain luminescent peak wavelength, when the full width at half maximum of the QD's photoluminescence becomes larger, the QD value becomes smaller while the chromaticity coordinates become more different from those of the corresponding monochromatic light. It is indicated that the color rendering index (CRI) of the devices is strongly dependent on the photoluminescent position and width of the QDs, and the CRI value can be increased towards 98 when a certain kind of CdS:Mn QDs is added into the traditional white-light LEDs.
    • 基金项目: 国家重点基础研究发展计划(973计划)(批准号:2012CB921801)和江苏省科技支撑计划(批准号:BE2012163)资助的课题.
    • Funds: Project supported by the National Basic Research Program of China (Grant No. 2012CB921801), and the Science and Technology Department of JiangSu Province, China (Grant No. BE2012163).
    [1]

    Liu M Q 2013 LED and Its Application Technology (Beijing:Chemical Industry Press) p15-19, 95-97 (in Chinese) [刘木清 2013 LED 及其应用技术 (北京: 化学工业出版社) 第15-19, 95-97页]

    [2]

    Schubert E F, Kim J K 2005 Science 308 1274

    [3]

    Chung W, Yu H J, Park S H, Chun B H, Kim S H 2011 Materials Chemistry and Physics 126 162

    [4]

    Lin C C, Liu R S 2011 J. Phys. Chem. Lett. 2 1268

    [5]

    Zhang H C, Ye Y H, Zhang J Y, Cui Y P, Yang B P, Shen L 2012 J. Phys. Chem. C 116 15660

    [6]

    Lee J, Sundar V C, Heine J R, Bawendi M G, Jensen K F 2000 Adv. Mater. 12 1102

    [7]

    Chen B K, Zhong H Z, Wang M X, Liu R B, Zou B S 2013 Nanoscale 5 3514

    [8]

    Song W S, Yang H 2012 Chem. Mater. 24 1961

    [9]

    Kim J U, Kim Y S, Yang H 2009 Materials Letters 63 614

    [10]

    Wang X B, Yan X S, Li W W, Sun K 2012 Adv. Mater. 24 2742

    [11]

    Fang D F, Ding X, Dai R C, Zhao Z, Wang Z P, Zhang Z M 2014 Chin. Phys. B 23 127804

    [12]

    Xing G C, Chakrabortty S, Chou K L, Mishra N, Huan C H A, Chan Y, Sum T C 2010 Appl. Phys. Lett. 97 061112

    [13]

    Li M, Sheng Y 2008 Spectroscopy and Spectral Analysis 28 2352 (in Chinese) [李敏, 盛毅 2008 光谱学与光谱分析 28 2352]

    [14]

    Hazarika A, Pandey A, Sarma D D 2014 J. Phys. Chem. Lett. 5 2208

    [15]

    Nag A, Cherian R, Mahadevan P, Gopal A V, Hazarika A, Mohan A, Vengurlekar A S, Sarma D D 2010 J. Phys. Chem. C 114 18323

    [16]

    Jing Q C, Jiao Q C, Yu B L, Hu W S 1979 Colourometry (Beijing: Science Press) p91-93 (in Chinese) [荆其诚, 焦书兰, 喻柏林, 胡维生 1979 色度学 (北京: 科学出版社) 第91-93页]

    [17]

    Wu Q, Huang X, Liu L, Wang J, Chu M H, Zhang L G, Hou F Q, Liu X Y, Zhao C J, Fan Y, Luo J S, Jiang D P 2007 Chinese Journal of Luminescence 28 736 (in Chinese) [吴庆, 黄先, 刘丽, 王健, 褚明辉, 张立功, 侯凤勤, 刘学彦, 赵成久, 范翊, 罗劲松, 蒋大鹏 2007 发光学报 28 736]

    [18]

    Stewart A F, Bass M 1980 Appl. Phys. Lett. 37 1040

    [19]

    Zhang J M, Zhang X K, Zhang J Y 2009 J. Phys. Chem. C 114 3904

    [20]

    Yang B P, Shen X C, Zhang H C, Cui Y P, Zhang J Y 2013 J. Phys. Chem. C 117 15829

    [21]

    Leatherdale C A, Woo W K, Mikulec F V, Bawendi M G 2002 J. Phys. Chem. B 106 7619

  • [1]

    Liu M Q 2013 LED and Its Application Technology (Beijing:Chemical Industry Press) p15-19, 95-97 (in Chinese) [刘木清 2013 LED 及其应用技术 (北京: 化学工业出版社) 第15-19, 95-97页]

    [2]

    Schubert E F, Kim J K 2005 Science 308 1274

    [3]

    Chung W, Yu H J, Park S H, Chun B H, Kim S H 2011 Materials Chemistry and Physics 126 162

    [4]

    Lin C C, Liu R S 2011 J. Phys. Chem. Lett. 2 1268

    [5]

    Zhang H C, Ye Y H, Zhang J Y, Cui Y P, Yang B P, Shen L 2012 J. Phys. Chem. C 116 15660

    [6]

    Lee J, Sundar V C, Heine J R, Bawendi M G, Jensen K F 2000 Adv. Mater. 12 1102

    [7]

    Chen B K, Zhong H Z, Wang M X, Liu R B, Zou B S 2013 Nanoscale 5 3514

    [8]

    Song W S, Yang H 2012 Chem. Mater. 24 1961

    [9]

    Kim J U, Kim Y S, Yang H 2009 Materials Letters 63 614

    [10]

    Wang X B, Yan X S, Li W W, Sun K 2012 Adv. Mater. 24 2742

    [11]

    Fang D F, Ding X, Dai R C, Zhao Z, Wang Z P, Zhang Z M 2014 Chin. Phys. B 23 127804

    [12]

    Xing G C, Chakrabortty S, Chou K L, Mishra N, Huan C H A, Chan Y, Sum T C 2010 Appl. Phys. Lett. 97 061112

    [13]

    Li M, Sheng Y 2008 Spectroscopy and Spectral Analysis 28 2352 (in Chinese) [李敏, 盛毅 2008 光谱学与光谱分析 28 2352]

    [14]

    Hazarika A, Pandey A, Sarma D D 2014 J. Phys. Chem. Lett. 5 2208

    [15]

    Nag A, Cherian R, Mahadevan P, Gopal A V, Hazarika A, Mohan A, Vengurlekar A S, Sarma D D 2010 J. Phys. Chem. C 114 18323

    [16]

    Jing Q C, Jiao Q C, Yu B L, Hu W S 1979 Colourometry (Beijing: Science Press) p91-93 (in Chinese) [荆其诚, 焦书兰, 喻柏林, 胡维生 1979 色度学 (北京: 科学出版社) 第91-93页]

    [17]

    Wu Q, Huang X, Liu L, Wang J, Chu M H, Zhang L G, Hou F Q, Liu X Y, Zhao C J, Fan Y, Luo J S, Jiang D P 2007 Chinese Journal of Luminescence 28 736 (in Chinese) [吴庆, 黄先, 刘丽, 王健, 褚明辉, 张立功, 侯凤勤, 刘学彦, 赵成久, 范翊, 罗劲松, 蒋大鹏 2007 发光学报 28 736]

    [18]

    Stewart A F, Bass M 1980 Appl. Phys. Lett. 37 1040

    [19]

    Zhang J M, Zhang X K, Zhang J Y 2009 J. Phys. Chem. C 114 3904

    [20]

    Yang B P, Shen X C, Zhang H C, Cui Y P, Zhang J Y 2013 J. Phys. Chem. C 117 15829

    [21]

    Leatherdale C A, Woo W K, Mikulec F V, Bawendi M G 2002 J. Phys. Chem. B 106 7619

计量
  • 文章访问数:  5538
  • PDF下载量:  459
  • 被引次数: 0
出版历程
  • 收稿日期:  2014-11-28
  • 修回日期:  2015-03-01
  • 刊出日期:  2015-07-05

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