Morphological improvement of a novel & non-toxic double perovskite MA2NaBiCl6 by thermal annealing treatment: Enhanced the PCE of solar cell device

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research Pub Date : 2024-09-03 DOI:10.1557/s43578-024-01413-6

Neelu Neelu, Nivedita Pandey, Subhananda Chakrabarti

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Abstract

In perovskite solar cells, annealing time and temperature are crucial parameters to obtain high quality film crystallization, desired morphology, and texture. Annealing enhances charge-carrier transport and minimizes non-radiative defects, resulting in improved power conversion efficiency (PCE). Firstly, we have synthesized a novel and hybrid halide double perovskites (DP) material MA₂NaBiCl₆ using hydrothermal and we have done material characterizations. We have fabricated solar cell using as-synthesized DP as a absorber material, ZnO as electron transport layer and Cu₂O as hole transport layer and performance parameters was calculated. Furthermore, to enhance the device performance, we have annealed it at different temperature varying from 50 to 225 °C and analyzed improvements in material’s morphology and device performance. Also, the annealing time (30 s–5 min) was varied at optimum annealing temperature. The optimized annealing temperature and time is 200 °C and 2 min respectively on which we achieved 3.49% PCE from the RT efficiency 1.671%.

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通过热退火处理改善新型无毒双过氧化物 MA2NaBiCl6 的形态：提高太阳能电池装置的 PCE

在过氧化物太阳能电池中，退火时间和温度是获得高质量薄膜结晶、理想形态和纹理的关键参数。退火可增强电荷载流子传输并最大限度地减少非辐射缺陷，从而提高功率转换效率（PCE）。首先，我们利用水热法合成了一种新型混合卤化物双包晶石（DP）材料 MA2NaBiCl6，并对材料进行了表征。我们使用合成的 DP 作为吸收材料，ZnO 作为电子传输层，Cu2O 作为空穴传输层，制作了太阳能电池，并计算了性能参数。此外，为了提高器件性能，我们在 50 至 225 °C 的不同温度下对其进行了退火处理，并分析了材料形态和器件性能的改善情况。同时，我们还在最佳退火温度下改变了退火时间（30 秒-5 分钟）。优化的退火温度和时间分别为 200 ℃ 和 2 分钟，在此温度下，我们实现了 3.49% 的 PCE（实时效率为 1.671%）。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory