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Effect of dielectric constant on emission of CdSe quantum dots

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Abstract

The effect of dielectric constant on the exciton ground state energy of CdSe Quantum Dots (QD) is investigated on four different QD sizes (2.46, 2.60, 2.71, and 2.8 nm). We studied (1) the exciton energy when the dielectric constants of the quantum dot and the surrounding material are different and (2) the exciton energy when the dielectric constant of the dots is size-dependent. Four different materials for surrounding the QD were used (chloroform, toluene, heptane, and hexane). The CdSe QD have been characterized by high resolution scanning electronic microscope (HR-SEM), X-ray diffraction, (XRD) and transmission electron microcopy (TEM) with the aim to control the QD shape and the average size. The optical absorption and photoluminescence (PL) spectra were investigated in order to get exciton energies and to understand the effect of dielectric constant on PL emission. The results have shown that the leaking of the wave function and the difference of the dielectric constant between QD and the surrounding material are essential for rectifying Coulomb interaction energy and reproducing experimental data.

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References

  1. S.V. Gaponenko, Optical Properties of Semiconductor Nanocrystals, (Cambridge UniversityPress, Cambridge, 1998).

    Book  Google Scholar 

  2. N.F. Borreli, D.W. Hall, H. J. Holland, D. W. Smith, J. Appl. Phys. 61, 5399 (1987)

    Article  Google Scholar 

  3. A. L. Efros, M. Rosen, Annu. Rev. Mater. Sci. 30, 475 (2000)

    Article  Google Scholar 

  4. Y. Wang, N. Herron, Phys. Rev. B 42, 7253 (1990)

    Article  Google Scholar 

  5. B.O. Dabbousi, J. Rodriguez-Viejo, F.V. Mikulec, J.R. Heine, H. Mattoussi, R. Ober, K.F. Jensen, M. G. Bawendi, J. Phys. Chem. B 101, 9463 (1997)

    Article  Google Scholar 

  6. Azam Sobhania, Salavati-Niasari Masoud, Mater. Res. Bull. 53, 7 (2014)

    Article  Google Scholar 

  7. Azam Sobhani, Masoud Salavati-Niasari. J. Mater. Sci. 26, 6831 (2015).

    Google Scholar 

  8. G. Hodes, A. Albu-Yaron, F. Decker, P. Motisuke, Phys. Rev. B 36, 4215 (1987)

    Article  Google Scholar 

  9. M. Bruchez, M. Moronne, P. Gin, S. Weiss, A.P. Alivisatos, Science 281, 2013 (1998)

    Article  Google Scholar 

  10. W.C. Chan, S. Nie, Science 281, 2016 (1998)

    Article  Google Scholar 

  11. L. Shi, B. Hernandez, M. Selke, J. Am. Chem. Soc. 128, 6278 (2006)

    Article  Google Scholar 

  12. W.U. Huynh, J.J. Dittmer, A.P. Alivisatos, Nature 295, 2425 (2002)

    Google Scholar 

  13. A. J. Nozik, Physica E 14 (2002) 115

    Article  Google Scholar 

  14. V.I. Klimov, A.A. Mikhailovsky, S. Xu, A. Malko, J.A. Hollingsworth, C.A. Leatherdale, H.-J. Eisler, M.G. Bawendi, Science 290, 314 (2000)

    Article  Google Scholar 

  15. V.I. Klimov, S.A. Ivanov, J. Nanda, M. Achermann, I.J. Bezel, A. McGuire, A. Piryatinski, Nature 447, 441 (2007)

    Article  Google Scholar 

  16. S. Coe, W.-K. Woo, M.G. Bawendi, V. Bulovic, Nature 420, 800 (2002)

    Article  Google Scholar 

  17. M.J. Bowers, J.R. McBride, S.J. Rosenthal, J. Am. Chem. Soc. 127, 15378 (2005)

    Article  Google Scholar 

  18. J. M. Caruge, J. E. Halpert, V. Wood, V. Buloví, M.G. Bawendi, Nat. Photonics 2, 247 (2008).

    Article  Google Scholar 

  19. Abey Issac, Cornelius Krasselt, Frank Cichos, Christian von Borczyskowski, ChemPhysChem 13, 3223 (2012)

    Article  Google Scholar 

  20. T. Takagahara, Phys. Rev. B 47(8), 4569 (1993)

    Article  Google Scholar 

  21. R. Sundheep, R. Prasanth, J. Mater. Sci. 28(4), 3168 (2017)

    Google Scholar 

  22. M.G. Spirin, S.B. Brichkin, V.F. Razumov, High Energy Chem. 49 (1), (2015)

  23. Z. Zeng, C.S. Garoufalis, A.F. Terzis, S. Baskoutas, J. Appl. Phys. 114(2), 023510 (2013)

    Article  Google Scholar 

  24. J.M. Miloszewski, T. Walsh, S. Tomić, J. Phys. Conf. Ser. 609(1), 012003 (2015)

    Article  Google Scholar 

  25. K.H. Ibnaouf, Saradh Prasad, A. Hamdan, M. AlSalhi, A.S. Aldwayyan, M.B. Zaman, V. Masilamani, Spectrochim. Acta Part A 121, 339 (2014)

    Article  Google Scholar 

  26. K.H. Ibnaouf, Saradh Prasad, M.S. Al Salhi, A. Hamdan, M.B. Zaman, L. El Mir, J. Lumin. 149, 369 (2014)

    Article  Google Scholar 

  27. T.V. Torchynska, J. Lumin. 137, 157 (2013)

    Article  Google Scholar 

  28. W. William Yu, Qu Lianhua, Wenzhuo Guo, Xiaogang Peng, Chem. Mater. 15, 2854 (2003)

    Article  Google Scholar 

  29. W. L. Wang, A. Zunger. Phys. Rev. B 53, 9579 (1996)

    Article  Google Scholar 

  30. G.W. Wen, Y. J, Lin, H.X. Jiamg, Z. Chen, Phys. Rev. B 52, 5913 (1995)

    Article  Google Scholar 

  31. S.A. Empedocles, M.G. Bawendi, Science 278, 2114 (1997)

    Article  Google Scholar 

  32. D.J. Norris, A. Sacra, C.B. Murray, M.G. Bawendi, Phys. Rev. B 41, 2079 (1990)

    Google Scholar 

  33. D.B. Tran Thoai, Y.Z. Hu, S.W. Koch, Phys. Rev. B 41, 6079 (1990)

    Article  Google Scholar 

  34. H. Ping. Chin. Phys. 9, 844 (2000)

    Article  Google Scholar 

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Acknowledgements

The work was supported by project SIP20161190 (Instituto Politécnico Nacional, Mexico).

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Authors and Affiliations

  1. ESFM-Instituto Politécnico Nacional, 07738, Ciudad de México, Mexico

    J. L. Casas Espínola

  2. UPIITA-Instituto Politécnico Nacional, 07340, Ciudad de México, Mexico

    X. A. Hernández Contreras

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  1. J. L. Casas Espínola
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  2. X. A. Hernández Contreras
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Correspondence to J. L. Casas Espínola.

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Casas Espínola, J.L., Hernández Contreras, X.A. Effect of dielectric constant on emission of CdSe quantum dots. J Mater Sci: Mater Electron 28, 7132–7138 (2017). https://doi.org/10.1007/s10854-017-6539-9

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  • DOI: https://doi.org/10.1007/s10854-017-6539-9

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