Synthesis and Photoluminescence Spectra of the Composite Films with Cadmium Sulfide Nanocrystals
| Authors | D.V. Korbutyak1, S.V. Tokarev2 , O.M. Shevchuk2 , H.A. Ilchuk2 , V.S. Tokarev2, S.I. Budzulyak1, A.O. Kuryk1 |
| Affiliations | 1 V.E. Lashkaryov Institute of semiconductor physics, 41, Nauki Ave., 03028 Kyiv, Ukraine 2 Lviv Polytechnic National University, 12, S. Bandery Str., 79013 Lviv, Ukraine |
| Е-mail | gilchuk@lp.edu.ua |
| Issue | Volume 5, Year 2013, Number 4 |
| Dates | Received 21 June 2013; published online 31 January 2014 |
| Citation | D.V. Korbutyak, S.V. Tokarev, O.M. Shevchuk, et al., J. Nano- Electron. Phys. 5 No 4, 04066 (2013) |
| DOI | |
| PACS Number(s) | 81.07. ± b, 78.55. ± m, 78.67. ± n |
| Keywords | CdS nanocrystals, Composite film, Photoluminescence spectrum. |
| Annotation | The paper describes the features of the optical properties of the composite films with embedded cadmium sulfide nanocrystals (NC CdS) which have been obtained in situ via sol-gel method. Photoluminescence spectra comprise two areas: the doped due to surface defects at E 1.6-2.3 eV and exciton at E 2.3-3.0 eV. An increase of the precursor Cd(Ас)2∙2H2O concentration in polymer matrix does not bring about automatic increase in the light absorption at max and photoluminescence intensity of the composite film; perhaps this is caused by the formation of less perfect CdS structures in this case. |
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