染料敏化太阳能电池用硅修饰光阳极

IF 2 4区材料科学 Q3 MATERIALS SCIENCE, COATINGS & FILMS

Thin Solid Films Pub Date : 2025-03-08 DOI:10.1016/j.tsf.2025.140652

E.V. Tekshina , A.S. Steparuk , R.A. Irgashev , V.Y. Nesterov , D.V. Shuleiko , M.A. Teplonogova , D.A. Krupanova , V.V. Emets , V.N. Andreev , V.A. Grinberg , S.A. Kozyukhin

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引用次数: 0

摘要

在这项工作中，研究了通过两种不同的脉冲激光技术：介孔硅烧蚀和微米级硅粉破碎，引入不同尺寸的硅纳米颗粒（Si-NPs），改性由直径20 nm球体组成的染料敏化太阳能电池（DSSCs）纳米晶TiO2光阳极。利用扫描电镜和能量色散x射线分析得到了光阳极功能层中各类粒子的分布情况。证明了Si-NP尺寸对光伏性能的影响。与未修饰的TiO2相比，用mezo Si-NPs修饰的染料敏化光阳极的短路电流（jsc）增加了17%，并且由于减少了电子重组和改善了电荷收集，提高了能量转换效率。因此，所获得的Si-NPs修饰TiO2光阳极表面的结果具有提高DSSCs效率和稳定性的潜力。

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Si-decorated photoanodes for dye sensitised solar cells

In this work, modification of nanocrystalline TiO₂ photoanodes consisting of 20 nm diameter spheres for dye-sensitized solar cells (DSSCs), by introducing silicon nanoparticles (Si-NPs) of different sizes, larger than TiO₂ particles, obtained by two different pulsed laser technologies: mesoporous silicon ablation and micron-sized silicon powder fragmentation was studied. The distribution of various types of particles in the functional layer of the photoanode was obtained using scanning electron microscopy and energy-dispersive X-ray analysis. The effect of Si-NP size on photovoltaic properties was demonstrated. Dye-sensitized photoanodes modified with mezo Si-NPs demonstrated 17 % increase in short-circuit current (j_sc) and increased energy conversion efficiency due to reduced electron recombination and improved charge collection compared to unmodified TiO₂. Thus, the obtained results on modification of the surface of TiO₂ photoanodes with Si-NPs have potential for improving the efficiency and stability of DSSCs.

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来源期刊

Thin Solid Films 工程技术-材料科学：膜

CiteScore

4.00

自引率

4.80%

发文量

381

审稿时长

7.5 months

期刊介绍： Thin Solid Films is an international journal which serves scientists and engineers working in the fields of thin-film synthesis, characterization, and applications. The field of thin films, which can be defined as the confluence of materials science, surface science, and applied physics, has become an identifiable unified discipline of scientific endeavor.