Warm with high color rendering index white light from hybridization of Ca2BO3Cl:Eu2+ yellow phosphor and CdSe/ZnS nanocrystals

Wonkeun Chung; Hyunchul Jung; Chang Hun Lee; Sung Hyun Kim

Journal of Industrial and Engineering Chemistry, Vol.19, No.5, 1743-1746, September, 2013

DOI10.1016/j.jiec.2013.02.016 Export Citation

Warm with high color rendering index white light from hybridization of Ca2BO3Cl:Eu2+ yellow phosphor and CdSe/ZnS nanocrystals

Wonkeun Chung, Hyunchul Jung, Chang Hun Lee, and Sung Hyun Kim^†

Department of Chemical and Biological Engineering, Korea University, 1 Anam-Dong, Seongbuk-Gu, Seoul 136-713, Republic of Korea

E-mail:

Yellow emitting Ca2BO3Cl:Eu2+ phosphor was prepared by solid state reaction at 900 ℃. The particle was monoclinic crystal structure, and showed broad band emission at around 540-590 nm due to the 5d-4f transition. Single Ca2BO3Cl:Eu2+ phosphor converted white LED exhibited the CIE coordinates of (0.3441, 0.2675) with low CRI of 67.4. Hybridization of Ca2BO3Cl:Eu2+ with 535 and 610 nm emitting CdSe/ZnS nanocrystals contributed to increasing white spectrum and generated the warm color temperature (4055 K) with high CRI (83.9) of white light. The acceptable color stability was also observed from (0.3687, 0.3051) at 20 mA to (0.3645, 0.3101) at 80 mA.

Keywords:Inorganic materials;Ca2BO3Cl:Eu2+;Nanocrystals;Optical properties;White light emitting diodes

[References]

Kravets V, Kryuchin A, Ataev V, Shershukov V, Optical Materials., 19, 421 (2002)
Park IW, Kim JH, Yoo JS, Shin HH, Kim CK, Choi CK, J. Electrochem. Soc., 155(5), J132 (2008)
Xie R, Hirosaki N, Sakuma K, Yamamoto Y, Mitomo M, Applied Physics Letters., 84, 5404 (2004)
Chen C, Chen W, Rainwater B, Liu L, Zhang H, Liu Y, Guo X, Zhou J, Xie E, Optical Materials., 33, 1585 (2011)
Yoo H, Vaidyanathan S, Kim S, Jeon D, Optical Materials., 31, 1555 (2009)
Yue B, Gu J, Yin GF, Huang ZB, Liao XM, Yao YD, Kang YQ, You PL, Curr. Appl. Phys., 10(4), 1216 (2010)
Zhanga X, Choi N, Park K, Kim J, Solid State Communications., 149, 1017 (2009)
Song WS, Kim YS, Yang H, Mater. Chem. Phys., 117(2-3), 500 (2009)
Zhang XG, Gong ML, Mater. Chem. Phys., 124(2-3), 1243 (2010)
Achermann M, Petruska M, Kos S, Smith D, koleske D, Klimov V, Nature., 429, 642 (2004)
Lim J, Jun S, Jang E, Baik H, Kim H, Cho J, Adv. Mater., 19(15), 1927 (2007)
Zak Z, Hanic F, Acta Crystallographica Section B., 32, 1784 (1976)
Yang Z, Wang S, Yang G, Tian J, Li P, Li X, Materials Letters., 61, 5258 (2007)
Zlateva G, Zhelev Z, Bakalova R, Kanno I, Inorg. Chem., 46(16), 6212 (2007)
Xiao F, Xue YN, Zhang QY, Physica B., 404, 3743 (2009)
Jang HS, Yang H, Kim SW, Han JY, Lee SG, Jeon DY, Adv. Mater., 20(14), 2696 (2008)
Chung W, Yu HJ, Park SH, Chun BH, Kim SH, Mater. Chem. Phys., 126(1-2), 162 (2011)
Nizamoglu S, Ozel1 T, Sari E, Demir H, Nanotechnology., 18, 065709 (2007)
Wang H, Lee K, Ryu J, Hong C, Cho Y, Nanotechnology., 19, 145202 (2008)
Zhang X, Zhang J, Dong Z, Shi J, Gong M, Journal of Luminescence., 132, 914 (2012)

[Referenced By]

[Related Articles]

[1] Kravets V, Kryuchin A, Ataev V, Shershukov V, Optical Materials., 19, 421 (2002)

[2] Park IW, Kim JH, Yoo JS, Shin HH, Kim CK, Choi CK, J. Electrochem. Soc., 155(5), J132 (2008)

[3] Xie R, Hirosaki N, Sakuma K, Yamamoto Y, Mitomo M, Applied Physics Letters., 84, 5404 (2004)

[4] Chen C, Chen W, Rainwater B, Liu L, Zhang H, Liu Y, Guo X, Zhou J, Xie E, Optical Materials., 33, 1585 (2011)

[5] Yoo H, Vaidyanathan S, Kim S, Jeon D, Optical Materials., 31, 1555 (2009)

[6] Yue B, Gu J, Yin GF, Huang ZB, Liao XM, Yao YD, Kang YQ, You PL, Curr. Appl. Phys., 10(4), 1216 (2010)

[7] Zhanga X, Choi N, Park K, Kim J, Solid State Communications., 149, 1017 (2009)

[8] Song WS, Kim YS, Yang H, Mater. Chem. Phys., 117(2-3), 500 (2009)

[9] Zhang XG, Gong ML, Mater. Chem. Phys., 124(2-3), 1243 (2010)

[10] Achermann M, Petruska M, Kos S, Smith D, koleske D, Klimov V, Nature., 429, 642 (2004)

[11] Lim J, Jun S, Jang E, Baik H, Kim H, Cho J, Adv. Mater., 19(15), 1927 (2007)

[12] Zak Z, Hanic F, Acta Crystallographica Section B., 32, 1784 (1976)

[13] Yang Z, Wang S, Yang G, Tian J, Li P, Li X, Materials Letters., 61, 5258 (2007)

[14] Zlateva G, Zhelev Z, Bakalova R, Kanno I, Inorg. Chem., 46(16), 6212 (2007)

[15] Xiao F, Xue YN, Zhang QY, Physica B., 404, 3743 (2009)

[16] Jang HS, Yang H, Kim SW, Han JY, Lee SG, Jeon DY, Adv. Mater., 20(14), 2696 (2008)

[17] Chung W, Yu HJ, Park SH, Chun BH, Kim SH, Mater. Chem. Phys., 126(1-2), 162 (2011)

[18] Nizamoglu S, Ozel1 T, Sari E, Demir H, Nanotechnology., 18, 065709 (2007)

[19] Wang H, Lee K, Ryu J, Hong C, Cho Y, Nanotechnology., 19, 145202 (2008)

[20] Zhang X, Zhang J, Dong Z, Shi J, Gong M, Journal of Luminescence., 132, 914 (2012)