International Journal of Advanced Research in Engineering and Technology (IJARET)

Source ID:00000006
Volume 11, Issue 12,December 2020, Pages 406-415, Page Count - 10

FABRICATION OF Cdse-SmCoO3 PHOTOANODE FOR PHOTO-ELECTROCHEMICAL WATER APPLICATION

D. Soumya Rani (1) A. Danalakshmi (2) A. Cyril (3)

(1) Department of Industrial Chemistry, Alagappa University, Karaikudi, Sivaganga, Tamilnadu, India.
(2) Research Scholar, Department of Industrial Chemistry, Alagappa University, Sivaganga, Tamilnadu, India.
(3) Post Graduate & Research Department of Chemistry, Raja Dorasingam Government Arts College, Sivaganga, Tamilnadu, India.

Manuscript ID:- 00000-30283
Access Type : Open Access
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Cite this article:D. Soumya Rani,A. Danalakshmi,A. Cyril,  Fabrication Of Cdse-smcoo3 Photoanode For Photo-electrochemical Water Application, International Journal of Advanced Research in Engineering and Technology(IJARET), 2020, 11(12), PP.406-415

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Abstract

The perovskite structured SmCoO3 nanoparticles were synthesized via solid sate reaction and CdSe quantum dots (QDs) via hot injection method. The CdSe QDs were functionalized on SmCoO3 nanoparticles using mercaptopropionic acid (MPA), where the CdSe QDS were treated in first with MPA and subsequently with SmCoO3 nanoparticles to from CdSe @ SmCoO3 heterostructure. The crystalline nature and particle morphology were analysed using XRD and TEM techniques. The light sensitive absorption properties of SmCoO3 nanoparticles and CdSe sensitized SmCoO3 were studied using UV-Vis spectroscopy. The band gap is tuned up to 2.4 eV by functionalization of CdSe QDs, while the bare perovskite demonstrated 3.37 eV. This emphasizes the band energy formation and would encourage the photo generated electron transfer from photo-anode to counter electrode for hydrogen evaluation. Photo-electrochemical water splitting studies were conducted in 1M Na2S sacrificial electrolyte with 100 mW/cm2 light illumination effect using three electrode systems. The CdSe/SmCoO3 photo-anode exhibited current density of ~39.5 mA/cm2 under light, while ~32.5 mA/cm2 exhibited in dark at 0.8 V (vs. Ag/AgCl), implying 7 mA/cm2 photo current density achieved at 0.8 V (vs. Ag/AgCl).
Author Keywords
CdSe SmCoO3 Perovskite Photo-electrochemical water splitting


ISSN Print: 0976-6480 ISSN Online: 0976-6499
Source Type: Journals Document Type: Journal Article
Publication Language: English DOI: 10.34218/IJARET.11.12.2020.043
Abbreviated Journal Title: IJARET Access Type: Open Access
Publisher Name: IAEME Publication Resource Licence: CC BY-NC
Major Subject:Physical Sciences Subject Area classification: Chemical Engineering
Subject area: General Chemical Engineering Source: SCOPEDATABASE

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