Effect of copper sulfide nanoparticle incorporation on cost-effective carbon-based hole-transport-free perovskite solar cells

IF 2.3 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Sol-Gel Science and Technology Pub Date : 2025-01-24 DOI:10.1007/s10971-024-06653-w

Mahdieh Mirzaei, Mohsen Shojaeifar, Mehdi Tajaldini

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Abstract

This investigation posits the development of an economically feasible graphite-based carbon electrode for use in hole transport-free perovskite solar cells. The weight ratio of graphite was systematically optimized, and the incorporation of copper sulfide nanoparticles was implemented to augment the electrical characteristics of the carbon-based electrode. Copper sulfide nanoparticles were synthesized through a hydrothermal method and subsequently combined with pre-prepared carbon paste to produce CuS-modified carbon electrodes. The synthesized nanoparticles exhibit flower-like morphologies with crystalline nanosheets measuring approximately 30 nanometers. The influence of varying doping ratios of CuS nanoparticles on the electrical properties of carbon-based hole transport-free perovskite solar cells was meticulously examined. The integration of CuS nanoparticles into the carbon electrode facilitates enhanced charge extraction, thereby resulting in increased current density within the perovskite solar cells. The suggested carbon-based hole transport-free perovskite solar cell demonstrates adequate stability over a duration exceeding one year.

Graphical Abstract

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.