Synthesis and Performance Analysis of a Carbon-Doped Titania (C–TiO2) Counter Electrode (CE) for Dye-Sensitized Solar Cells (DSSCs)

IF 2.5 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electronic Materials Pub Date : 2024-06-15 DOI:10.1007/s11664-024-11222-6

Faisal Abbas, Muhammad Tahir, Asif Hussain Khoja, Nadia Shahzad, Mustafa Anwar, Muniba Ayub, Sehar Shakir

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Abstract

In this study, we fabricated an efficient and low-cost carbon-doped titania (C–TiO₂) counter electrode (CE) as a substitute for platinum (Pt) in dye-sensitized solar cells (DSSCs). By varying different weight ratios, C–TiO₂ samples were synthesized through the hydrothermal synthesis method followed by calcination in a tube furnace. The doctor blade coating method was used to deposit thin films of the synthesized samples onto the fluorine-doped tin oxide (FTO) substrates. Structural and morphological properties were studied by using various analytical techniques. Moreover, the electrochemical and photo-conversion characteristics of the fabricated CEs were investigated. Cyclic voltammetry (CV) results of the fabricated CEs showed electrocatalytic activity comparable to the Pt in the DSSCs. Meanwhile, photovoltaic measurement results showed the best-performing 15% C–TiO₂ CE having 1.56% power conversion efficiency (PCE) as compared to Pt, which is 2.12%. This study proposed a simple method to fabricate a low-cost and efficient C–TiO₂ CE for DSSCs.

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用于染料敏化太阳能电池 (DSSC) 的掺碳二氧化钛 (C-TiO2) 对电极 (CE) 的合成与性能分析

在这项研究中，我们制造了一种高效、低成本的碳掺杂二氧化钛（C-TiO2）对电极（CE），作为染料敏化太阳能电池（DSSCs）中铂（Pt）的替代品。通过改变不同的质量比，采用水热法合成C-TiO2样品，然后在管式炉中煅烧。采用博士刀涂布法将合成的样品薄膜沉积在氟掺杂氧化锡（FTO）衬底上。利用各种分析技术对其结构和形态特性进行了研究。此外，还研究了制备的ce的电化学和光转换特性。循环伏安法（CV）结果表明，制备的ce的电催化活性与DSSCs中的Pt相当。同时，光伏测量结果表明，性能最好的15% C-TiO2 CE的功率转换效率（PCE）为1.56%，而Pt为2.12%。本研究提出了一种制备低成本高效的DSSCs C-TiO2 CE的简单方法。图形抽象

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来源期刊

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

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.