Citation: PENG Jing, FANG Xiao-Ming, CHEN Zhi-Hong, ZHANG Zheng-Guo. Effects of CdSe Layer Number on the Optical Properties and Microstructures of CdTe/CdSe (II) Core/Shell Quantum Dots[J]. Acta Physico-Chimica Sinica, ;2012, 28(01): 232-238. doi: 10.3866/PKU.WHXB201111151 shu

Effects of CdSe Layer Number on the Optical Properties and Microstructures of CdTe/CdSe (II) Core/Shell Quantum Dots

1.
Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China

Received Date: 14 July 2011
Available Online: 15 November 2011
Fund Project: 国家自然科学基金(20573038, 60976053)资助项目 (20573038, 60976053)

CdTe/CdSe core/shell quantum dots (QDs) with different numbers of CdSe layers were synthesized in aqueous media by sequentially adding freshly-prepared solutions of NaHSe and CdCl₂ to a solution of CdTe QDs several times. The optical properties and microstructures of the resulting QDs were investigated. Compared with those of CdTe QDs, the optical absorption and fluorescence emission peaks of CdTe/CdSe core/shell QDs with a single CdSe layer shifted to longer wavelength. As the number of CdSe layers was increased, the optical absorption spectra of the CdTe/CdSe core/shell QDs covered a wider range and extended to longer wavelengths, the intensity of fluorescence emission decreased gradually, and the fluorescence lifetime increased significantly, consistent with the behavior of type II core/ shell QDs. Compared with those of CdTe/CdSe QDs with a single CdSe layer, the diffraction peaks of the CdTe/CdSe QDs with three CdSe layers shifted from the standard positions of CdTe diffraction peaks to those of CdSe. The CdTe/CdSe type II core/shell QDs show promise for application in solar cells because of their broad absorption spectra that extend to longer wavelengths.
- Quantum dot,
- Type II core/shell heterostructure,
- CdTe/CdSe,
- Aqueous synthesis
1. [1]
  (1) Alivisatos, A. P. Science 1996, 271 (5251), 933.
2. [2]
  (2) Burda, C.; Chen, X. B.; Narayanan, R.; EI-Sayed, M. A. Chem. Rev. 2005, 105 (4), 1025.
3. [3]
  (3) Yue, D.; Zhang, J.W.; Zhang, J. B.; Lin, Y. Acta Phys. -Chim. Sin. 2011, 27 (5), 1239. [岳栋, 张建文, 张敬波, 林原. 物理化学学报, 2011, 27 (5), 1239.]
4. [4]
  (4) Peng, X. G.; Manna, L.; Yang,W. D.;Wickham, J. Nature 2000, 404 (6773), 59.
5. [5]
  (5) Kongkanand, A.; Tvrdy, K.; Takechi,, K., Kuno, M. J. Am. Chem. Soc. 2008, 130 (12), 4007.
6. [6]
  (6) Zhang, Q. B.; Feng, Z. F.; Han, N. N.; Lin, L. L.; Zhou, J. Z.; Lin, Z. H. Acta Phys. -Chim. Sin. 2010, 26 (11), 2927. [张桥保, 冯增芳, 韩楠楠, 林玲玲, 周剑章, 林仲华. 物理化学学报, 2010, 26 (11), 2927]
7. [7]
  (7) Ellingson, R. J.; Beard, M. C.; Johnson, J. C. Nano. Lett. 2005, 5 (5), 865.
8. [8]
  (8) Beard, M. C. J. Phys. Chem. Lett. 2011, 2 (11), 1282.
9. [9]
  (9) Yang, X.; Zhou, H.; Shen, B.; Zhang, L. Acta Phys. -Chim. Sin. 2010, 26 (1), 244. [杨旭, 周宏, 沈彬, 张玲. 物理化学学报, 2010, 26 (1), 244.]
10. [10]
  (10) Dai, Q. Q.; Duty, C. E.; Hu, M. Z. Small 2010, 6 (15), 1577.
11. [11]
  (11) Kamat, P. V. J. Phys. Chem. 2008, 112 (48), 18737.
12. [12]
  (12) Ruhle, S.; Shalom, M.; Zaban, A. ChemPhysChem 2010, 11 (11), 2290.
13. [13]
  (13) Michalet, X.; Pinaud, F. F.; Bentolila, L. A.; Tsay, J. M.; Doose, S.; Li, J. J.; Sundaresan, G. Science 2005, 307 (5709), 538.
14. [14]
  (14) Donega, C. D. Chem. Soc. Rev. 2011, 40 (3), 1512.
15. [15]
  (15) Ning, Z. J.; Tian, H. N.;Yuan, C.; Fu, Y. Chem. Commun. 2011, 47, 1536.
16. [16]
  (16) Reiss, P.; Protiere, M.; Li, L. Small 2009, 5 (2), 154.
17. [17]
  (17) Carbone, L.; Cozzoli, P. D. Nano Today 2010, 5 (5), 449.
18. [18]
  (18) Sachin, R.; Sreejith, K.; Sandeep, V. ChemPhysChem 2011, 12, 1729.
19. [19]
  (19) Han, R. C.; Yu, M.; Sha, Y. L. Acta Phys. -Chim. Sin. 2011, 27 (1), 255. [韩荣成, 喻敏, 沙印林. 物理化学学报, 2011, 27 (1), 255.]
20. [20]
  (20) Wang, K. F.; Liu, J. F.; Liu, Z. L. Acta Phys. Chim. Sin. 2007, 23 (6), 841. [王科范, 刘金锋, 刘忠良, 徐彭寿, 韦世强. 物理化学学报, 2007, 23 (6), 841.]
21. [21]
  (21) Kim, S.; Fisher, B.; Eisler, H. J.; Bawendi, M. J. Am. Chem. Soc. 2003, 125 (38), 11466.
22. [22]
  (22) Yu, K.; Zaman. B. T.; Romanova, S.;Wang, D. S.; Ripmeester, J. A. Small 2005, 1 (3), 332.
23. [23]
  (23) Chang, J. Y.;Wang, S.; Yang, C. H. Nanotechnology 2007, 34 (189), 345602.
24. [24]
  (24) Mara-Sero, I.; Bisquert, J.; Dittrich, T.; Belaidi, A.; Susha, A. S.; Rogach, A. L, J. Phys. Chem. C 2007, 111 (40), 14889.
25. [25]
  (25) Yin, H. Y.; Xu, Z. D.; Zhen, Y. F.;Wang, Q. S.; Chen,W. X. Acta Phys. -Chim. Sin. 2004, 20 (11), 1308. [殷好勇, 徐铸德, 郑遗凡, 汪庆升, 陈卫祥. 物理化学学报, 2004, 20 (11), 1308.]
26. [26]
  (26) Zhang,W. H.; Yu. J. S. Chin. J. Inorg. Chem. 2010, 26 (5), 775. [张文豪, 于俊生. 无机化学学报, 2010, 26 (5), 775.
27. [27]
  (27) Zhang, Y.; Li, Y; Yan, X. P. Small 2009, 5 (2), 185.
28. [28]
  (28) Xia, Y. S.; Zhu. C. Q. Analyst 2008, 133, 928.
29. [29]
  (29) Rawalekar, S.; Kaniyankandy, S.; Verma, S.; Ghosh, H. N. ChemPhysChem 2011, 12 (9), 1729.
30. [30]
  (30) Zeng, R.; Zhang, T. T.; Liu, J. C. Nanotechnology 2009, 20, 095102.
31. [31]
  (31) Dong, L. Y.; Peng, J.; He, L. Y.; Fang, X. M.; Zhang, Z. G. In Abstract Book of 6th Chinese National Chemical and Biochemical Engineering Annual Meeting, 6th Chinese National Chemical and Biochemical Engineering Annual Meeting, Changsha, 2010, Changsha, Chinese Chemical Society, 2010; 878. [董连阳, 彭静, 何禄英, 方晓明, 张正国. 第六届全国化学工程与生物化工年会论文摘要集. 第六届全国化学工程与生物化工年会, 长沙, 2010, 中国化工学会, 长沙, 2010; 878.]
32. [32]
  (32) Xu, X.; He, R.; Cui, D. X. Func. Mater. 2011, 4 (42), 659. [徐昕, 贺蓉, 崔大祥. 功能材料, 2011, 4 (42), 659.]
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