Scrutinizing the effect of substrate temperature and enhancing the multifunctional attributes of spray deposited copper gallium sulfide (CuGaS2) thin films

IF 1.3 4区材料科学 Q3 CRYSTALLOGRAPHY Phase Transitions Pub Date : 2023-07-20 DOI:10.1080/01411594.2023.2238110

K. Vijayan, S. P. Vijayachamundeeswari

引用次数: 2

Abstract

ABSTRACT Polycrystalline chalcopyrite CuGaS2 thin films were prepared using a spray pyrolysis route has been considered a potential material for the solar cell absorber layer. Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) studied the impact of substrate temperature in the range of 200–300˚C on surface profile and roughness. Powder X-ray diffraction disclosed that the films were polycrystalline at all examined substrate temperatures, with crystallite size increasing with increased substrate temperature. The UV-Vis displays the cut-off wavelength in 550–880 nm for varied substrate temperatures of CuGaS2 thin films, and the observed band gap is 2.75 eV–1.89 eV. The electrical attributes showed the enhancement in mobility (4.632 cm2 V−1 s−1) for varied substrate temperatures of CuGaS2 thin films. The 300˚C temperature sprayed CuGaS2 polycrystalline films are a decent candidate to be apposite as an absorber layer in thin film photovoltaic solar cells.

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研究衬底温度的影响，增强喷雾沉积硫化铜镓薄膜的多功能特性

采用喷雾热解法制备了多晶黄铜矿CuGaS2薄膜，该薄膜被认为是太阳能电池吸收层的潜在材料。扫描电子显微镜（SEM）和原子力显微镜（AFM）研究了200–300˚C范围内的衬底温度对表面轮廓和粗糙度的影响。粉末X射线衍射表明，在所有检测的衬底温度下，薄膜都是多晶的，微晶尺寸随着衬底温度的升高而增加。UV-Vis显示550–880的截止波长 nm，观察到的带隙为2.75 eV–1.89 电子属性显示迁移率的增强（4.632 cm2 V−1 s−1）。300˚C温度喷涂的CuGaS2多晶薄膜是薄膜光伏太阳能电池中合适的吸收层候选材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Phase Transitions 物理-晶体学

CiteScore

3.00

自引率

6.20%

发文量

审稿时长

1.4 months

期刊介绍： Phase Transitions is the only journal devoted exclusively to this important subject. It provides a focus for papers on most aspects of phase transitions in condensed matter. Although emphasis is placed primarily on experimental work, theoretical papers are welcome if they have some bearing on experimental results. The areas of interest include: -structural phase transitions (ferroelectric, ferroelastic, multiferroic, order-disorder, Jahn-Teller, etc.) under a range of external parameters (temperature, pressure, strain, electric/magnetic fields, etc.) -geophysical phase transitions -metal-insulator phase transitions -superconducting and superfluid transitions -magnetic phase transitions -critical phenomena and physical properties at phase transitions -liquid crystals -technological applications of phase transitions -quantum phase transitions Phase Transitions publishes both research papers and invited articles devoted to special topics. Major review papers are particularly welcome. A further emphasis of the journal is the publication of a selected number of small workshops, which are at the forefront of their field.