Tuning the bandgap of Cd1-xZnxS (x = 0~1) buffer layer and CIGS absorber layer for obtaining high efficiency

IF 3.3 3区物理与天体物理 Q2 PHYSICS, CONDENSED MATTER Superlattices and Microstructures Pub Date : 2022-01-01 DOI:10.1016/j.spmi.2021.107100

T. Hossain , M.K. Sobayel , F.T. Munna , S. Islam , H.I. Alkhammash , Khaled Althubeiti , S.M. Jahangir Alam , K. Techato , Md. Akhtaruzzaman , M.J. Rashid

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引用次数: 10

Abstract

This numerical study deals with the CIGS solar cell considering Cd_1-xZn_xS buffer layer. The composition ‘x’ of the buffer layer is determined and its impact on the solar cell performance parameters is studied. The influence of the buffer layer thickness on quantum efficiency is also discussed. The tuned bandgap and optimized thickness of the Cd_1-xZn_xS buffer layer are then utilized to obtain the suitable bandgap of the CIGS absorber layer. The maximum power conversion zone is revealed in terms of the CIGS bandgap and the impact of this bandgap on spectral response as well as performance parameters are discussed. The Cd_0.6Zn_0.4S/CIGS interface is studied by varying the defect density from 10¹⁰ cm⁻³ to 10¹⁶ cm⁻³. The cell performances are also analyzed for the temperature ranging from 260 K to 350 K.

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调整Cd1-xZnxS (x = 0~1)缓冲层和CIGS吸收层的带隙以获得高效率

本文对考虑Cd1-xZnxS缓冲层的CIGS太阳能电池进行了数值研究。确定了缓冲层的组成，并研究了其对太阳能电池性能参数的影响。讨论了缓冲层厚度对量子效率的影响。然后利用调整后的带隙和优化后的Cd1-xZnxS缓冲层厚度来获得合适的CIGS吸收层带隙。从CIGS带隙的角度揭示了最大功率转换区域，并讨论了该带隙对光谱响应和性能参数的影响。研究了Cd0.6Zn0.4S/CIGS界面缺陷密度在1010 ~ 1016 cm−3范围内的变化。在260k ~ 350k的温度范围内分析了电池的性能。

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来源期刊

Superlattices and Microstructures 物理-物理：凝聚态物理

CiteScore

6.10

自引率

3.20%

发文量

审稿时长

2.8 months

期刊介绍： Micro and Nanostructures is a journal disseminating the science and technology of micro-structures and nano-structures in materials and their devices, including individual and collective use of semiconductors, metals and insulators for the exploitation of their unique properties. The journal hosts papers dealing with fundamental and applied experimental research as well as theoretical studies. Fields of interest, including emerging ones, cover: • Novel micro and nanostructures • Nanomaterials (nanowires, nanodots, 2D materials ) and devices • Synthetic heterostructures • Plasmonics • Micro and nano-defects in materials (semiconductor, metal and insulators) • Surfaces and interfaces of thin films In addition to Research Papers, the journal aims at publishing Topical Reviews providing insights into rapidly evolving or more mature fields. Written by leading researchers in their respective fields, those articles are commissioned by the Editorial Board. Formerly known as Superlattices and Microstructures, with a 2021 IF of 3.22 and 2021 CiteScore of 5.4