Expanding the Photoresponse Range of TiO2 nano by CdS/CdSe/ZnS Quantum Dots Co-Modification

Authors

  • T. T. Ha  Faculty of Physics, DongThap University, Dong Thap Province, Vietnam
  • N. T. Nguyen  Faculty of Physics, DongThap University, Dong Thap Province, Vietnam

Keywords:

CdS, CdSe, Quantum Dots.

Abstract

In this work, the CdS and CdSe QDs modifcation expands the photoresponse range of TiO2 nanoparticles from ultraviolet region to visible range. It is demonstrated that sequentially assembled CdS and CdSe QDs signifcantly improved the light harvesting ability and photocurrent effciency, and a high incident photon to current conversion effciency of 1.52 % was obtained. Further coating the TiO2/CdS/CdSe electrodes with a barrier layer of ZnS QDs increases the efficiency to 264 %.

References

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International Journal of Scientific Research in Science and Technology

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Published

2017-12-31

Issue

Volume 2, Issue 3, May-June-2016

Section

Research Articles

License

Copyright (c) IJSRST

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

[1]
T. T. Ha, N. T. Nguyen, " Expanding the Photoresponse Range of TiO2 nano by CdS/CdSe/ZnS Quantum Dots Co-Modification, International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 2, Issue 3, pp.159-161, May-June-2016.