大蒜提取物辅助溶胶-凝胶法合成生物衍生V6O13电子传输层，优化钙钛矿太阳能电池性能

IF 4.2 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2025-09-01 DOI:10.1016/j.dyepig.2025.113209

Dhafer O. Alshahrani , Muzzamal Hussain , Muhammad Saad

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引用次数: 0

摘要

本研究通过探索V6O13作为电子传输层（ETL），解决了钙钛矿太阳能电池（PSCs）中高效和可持续材料的关键需求，通过一种新的绿色溶胶-凝胶方法，以大蒜提取物作为生物模板合成了V6O13。这种环保的合成路线不仅减少了化学废物，而且还生产出高质量的V6O13纳米结构，首次在psc中用作ETL。紫外可见光谱显示了一个带隙（2.22 eV），表明有利于电荷分离和输运的能量排列。x射线衍射分析证实了其单斜晶结构，平均晶粒尺寸为35.3 nm， FTIR光谱证实了其特有的钒氧结合环境。电化学阻抗谱显示复合电阻增加，支持电荷输运的改善。优化后的器件（FTO\TiO2\V6O13\perovskite\HTL\Au）性能得到了显著提高，功率转换效率达到20.21%，超过了传统的TiO2基器件。入射光子对电流效率分析证实了在可见光谱上优越的光响应。这些发现突出了V6O13作为可持续ETL的前景，为下一代光伏应用的生物衍生金属氧化物的未来研究开辟了道路。

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Optimizing perovskite solar cell performance through bio-derived V6O13 electron transport layers synthesized by garlic extract-Assisted sol-gel method

This study addresses the critical need for efficient and sustainable materials in perovskite solar cells (PSCs) by exploring V₆O₁₃ as an electron transport layer (ETL), synthesized via a novel green sol-gel method using garlic extract as a bio-template. This environmentally friendly synthesis route not only reduces chemical waste but also produces high-quality V₆O₁₃ nanostructures, employed for the first time as an ETL in PSCs. The UV–Vis spectroscopy revealed a bandgap (2.22 eV), suggesting the favourable energy alignment for enhanced charge separation and transport. X-ray diffraction analysis confirmed the monoclinic crystal structure with an average crystallite size of 35.3 nm, while FTIR spectra verified the characteristic vanadium-oxygen bonding environment. Electrochemical impedance spectroscopy demonstrated increased recombination resistance, supporting improved charge transport. Optimal device (FTO\TiO₂\V₆O₁₃\perovskite\HTL\Au) performance exhibited significant enhancements, with a power conversion efficiency reaching 20.21 %, surpassing the conventional TiO₂-based devices. Incident photon-to-current efficiency analysis confirmed superior photoresponse across the visible spectrum. These findings highlight V₆O₁₃ promising role as a sustainable ETL, opening avenues for future research into bio-derived metal oxides for next-generation photovoltaic applications.

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.