<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Present paper reports optical and electrical properties of samarium doped CdSe nanocrystalline thin film which was grown on a glass substrate by chemical bath deposition method (CBD). X-ray diffraction (XRD) analysis revealed that the deposited films were nanocrystalline with sphalerite cubic structure. The average crystallite size calculated from FWHM of XRD peaks was found to be 10.11 nm. The bandgap of the Sm doped CdSe nanocrystalline thin films was calculated to be 1.91 eV to 2.22 eV. The optical absorption edge of undoped (pure) and Sm doped CdSe films was obtained between 650 nm to 640 nm showing blue shift as compared to bulk CdSe. Sm doping further enhanced the photoconductivity of these films. The I-V characteristic confirmed the suitability of prepared films for photosensor applications.</p></abstract>

Present paper reports optical and electrical properties of samarium doped CdSe nanocrystalline thin film which was grown on a glass substrate by chemical bath deposition method (CBD). X-ray diffraction (XRD) analysis revealed that the deposited films were nanocrystalline with sphalerite cubic structure. The average crystallite size calculated from FWHM of XRD peaks was found to be 10.11 nm. The bandgap of the Sm doped CdSe nanocrystalline thin films was calculated to be 1.91 eV to 2.22 eV. The optical absorption edge of undoped (pure) and Sm doped CdSe films was obtained between 650 nm to 640 nm showing blue shift as compared to bulk CdSe. Sm doping further enhanced the photoconductivity of these films. The I-V characteristic confirmed the suitability of prepared films for photosensor applications.

Effect of Sm concentration on optical and electrical properties of CdSe nanocrystalline thin film

Department of Applied Physics, Raipur Institute of Technology

Department of Applied Physics, Shri Shankaracharya Group of Institutions

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Present paper reports optical and electrical properties of samarium doped CdSe nanocrystalline thin film which was grown on a glass substrate by chemical bath...

Effect of Sm concentration on optical and electrical properties of CdSe nanocrystalline thin film

Publié en ligne: 06 mars 2019

Pages: 33 - 38

Reçu: 17 mai 2017

Accepté: 11 janv. 2019

DOI: https://doi.org/10.2478/msp-2019-0006

Mots clés
CdSe:Sm nanocrystalline thin film, XRD, absorption, photoluminescence

© 2019 K.K. Pathak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Effect of Sm concentration on optical and electrical properties of CdSe nanocrystalline thin film

Publié en ligne: 06 mars 2019

Pages: 33 - 38

Reçu: 17 mai 2017

Accepté: 11 janv. 2019

DOI: https://doi.org/10.2478/msp-2019-0006

Mots clésCdSe:Sm nanocrystalline thin film, XRD, absorption, photoluminescence

© 2019 K.K. Pathak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
CdSe:Sm nanocrystalline thin film, XRD, absorption, photoluminescence