Facile Linker Free Growth of CdS Nanoshell on 1-D ZnO: Solar Cell Application

Archana Kamble; Bhavesh Sinha; 정국채; Anup More; Sharad Vanalakar; 홍창우                                         /Hong; Chang-woo; 김진혁                                         /Jin Hyeok Kim; Pramod Patil

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자료유형: 학술저널

저자정보: Archana Kamble Bhavesh Sinha 정국채 Anup More Sharad Vanalakar 홍창우 /Hong Chang-woo 김진혁 /Jin Hyeok Kim Pramod Patil

저널정보: 대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.11 No.2

발행연도: 2015.1

수록면: 171 - 179 (9page)

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One dimensional type-II core/shell heterostructures are widely employed insolar cells because of their adventitious role in both light absorption and chargeseparation. Here we report a facile two step chemical approach to synthesizingZnO/CdS core/shell nanorod arrays. ZnO nanorods (ZNR) with a high aspectratio were grown using a hydrothermal technique where a uniform CdS shellwas deposited using a facile, linker free, one pot, Hexamethylenetetramine(HMTA) based reflux technique for the first time. Though the reflux techniqueis quite similar to the chemical bath deposition technique (CBD), we obtainedmore uniform CdS coating and improved solar cell performance with the ZnO/CdS heterostructure compared to CBD-grown ZnO/CdS heterostructures. Toobtain a conformal coating of CdS, we optimized the CdS deposition time. Formation of pure phase ZnO/CdS core/shell heterostructure was confirmed byhigh resolution transmission electron microscopy and X-ray photoelectronspectroscopy (XPS) depth analysis. Improved solar cell performance of 1.23%was obtained for ZnO/CdS core/shell structures with ZnS surface treatment.

#core/shell #ZnO/CdS #semiconductor sensitized solar cell #nanorods

참고문헌 (33)

참고문헌 신청

M. Shalom / 2010 / J. Phys. Chem. Lett 11:134

F. Hetsch / 2011 / J. Phys. Chem. Lett 2:1879

I. Mora-Sero / 2010 / J. Phys. Chem. Lett 1:3046

김수경 / 2014 / CdS/CdSe Quantum Dot-Sensitized Solar Cells Based on ZnO Nanoparticle/Nanorod Composite Electrodes / Electronic Materials Letters 10(6):1137~1142

정명수 / 2014 / Study on Characteristics of CdS Quantum Dot-Sensitized Solar Cells Prepared by Successive Ionic Layer Adsorption and Reaction with Different Adsorption Times / Electronic Materials Letters 10(3):621~626

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