Highly stable and efficient green luminescent CdS colloidal nanocrystals

Morteza Sasani Ghamsari; Amir Hossein Sasani Ghamsari; Wooje Han; Hyung Ho Park

doi:10.1117/1.JNP.10.026017

Highly stable and efficient green luminescent CdS colloidal nanocrystals

Morteza Sasani Ghamsari, Amir Hossein Sasani Ghamsari, Wooje Han, Hyung Ho Park

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

A chemical route was used to synthesize highly stable CdS colloidal nanocrystals. Different characterization techniques, such as UV-Vis, photoluminescence, and time-resolved photoluminescence spectroscopy, were used to study the optical properties of synthesized sample. A strong and narrow green emission peak centered at 532 nm with 40-nm full widths at half maximum and 57.2% quantum efficiency was recorded. The absorption cross section at the first absorption peak is about 11.69 × 10^-16 cm² that has not been reported before. Variation in optical properties, such as emission peak intensity and full widths at half maximum of emission peak, was evaluated with various long-term measurements (after 1 year). Obtained results confirm that the prepared CdS nanocrystals can be employed as green source material.

Original language	English
Article number	026017
Journal	Journal of Nanophotonics
Volume	10
Issue number	2
DOIs	https://doi.org/10.1117/1.JNP.10.026017
Publication status	Published - 2016 Apr 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1117/1.JNP.10.026017

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Ghamsari, M. S., Ghamsari, A. H. S., Han, W., & Park, H. H. (2016). Highly stable and efficient green luminescent CdS colloidal nanocrystals. Journal of Nanophotonics, 10(2), [026017]. https://doi.org/10.1117/1.JNP.10.026017

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abstract = "A chemical route was used to synthesize highly stable CdS colloidal nanocrystals. Different characterization techniques, such as UV-Vis, photoluminescence, and time-resolved photoluminescence spectroscopy, were used to study the optical properties of synthesized sample. A strong and narrow green emission peak centered at 532 nm with 40-nm full widths at half maximum and 57.2% quantum efficiency was recorded. The absorption cross section at the first absorption peak is about 11.69 × 10-16 cm2 that has not been reported before. Variation in optical properties, such as emission peak intensity and full widths at half maximum of emission peak, was evaluated with various long-term measurements (after 1 year). Obtained results confirm that the prepared CdS nanocrystals can be employed as green source material.",

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AU - Ghamsari, Morteza Sasani

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AU - Han, Wooje

AU - Park, Hyung Ho

PY - 2016/4/1

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