Efficiency enhancement of Dye-sensitized solar cells using Nanocomposite based One-dimensional Ternary Photonic crystal

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Applied Physics A Pub Date : 2024-12-02 DOI:10.1007/s00339-024-08067-5

J. R. Sofia, K. S. Joseph Wilson

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Abstract

To enhance the efficiency of light harvesting in Dye-sensitized solar cells (DSSCs), it is crucial to minimize photon loss through the counter electrode and localize photons within the solar cell. The one-dimensional Ternary Photonic Crystal (1D-TPC) is used as a Distributed Bragg Reflector (DBR) in DSSCs to enhance overall performance. The 1D-TPC comprises TiO₂/Ag-MgF₂ nanocomposite/SiO₂ layers, and the transmittance spectra of the photonic crystal are analyzed using the Transfer Matrix Method (TMM). The effective permittivity of Ag-MgF₂ nanocomposite layer is calculated by the Maxwell– Garnett equation. The occurrence of the photonic band gap (PBG) with respect to parameters such as thicknesses of layers, number of periods (N), angle of incidence (θ_i), fill fraction (f) of silver in the nanocomposite layer are studied. The improvement in short-circuit current density (∆J_sc%) of the DSSC reaches the maximum value of 134% with the optimized parameters of the 1D-TPC.

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基于纳米复合材料的一维三元光子晶体提高染料敏化太阳能电池的效率

为了提高染料敏化太阳能电池（DSSCs）的光收集效率，减少通过对电极的光子损失并使光子在太阳能电池内局部化是至关重要的。一维三元光子晶体（1D-TPC）作为分布式布拉格反射器（DBR）用于DSSCs中，以提高整体性能。1D-TPC由TiO2/Ag-MgF2纳米复合材料/SiO2组成，利用传递矩阵法（TMM）分析了光子晶体的透射光谱。利用Maxwell - Garnett方程计算了Ag-MgF2纳米复合层的有效介电常数。研究了光子带隙（PBG）随层厚、周期数(N)、入射角（θi）、银在纳米复合层中的填充分数(f)等参数的变化规律。在优化后的1D-TPC参数下，DSSC的短路电流密度改善（∆Jsc%）达到最大值134%。

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来源期刊

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.