Electrochemical, spectroelectrochemical properties, and application in dye-sensitized solar cells of novel symmetric and A3B-Type unsymmetrical phthalocyanines containing bromonaphthalene groups

IF 4.2 3区工程技术 Q2 CHEMISTRY, APPLIED

Dyes and Pigments Pub Date : 2025-06-27 DOI:10.1016/j.dyepig.2025.113001

Yaren Erdağ Maden , Gülnur Keser Karaoğlan , Gülşah Gümrükçü Köse , Atıf Koca

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Abstract

This research focuses on the synthesis and comprehensive characterization of innovative symmetric and unsymmetrical zinc phthalocyanine (A₃B) complexes, as well as their application in dye-sensitized solar cells (DSSCs). The newly synthesized dyes were characterized using Ultraviolet–Visible (UV–Vis) absorption spectroscopy, Fourier Transform Infrared (FTIR), Proton Nuclear Magnetic Resonance (¹H NMR), Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS), along with electrochemical and spectroelectrochemical techniques. The photovoltaic performance of DSSCs based on these complexes was systematically evaluated through current density-voltage (J-V) characteristics and electrochemical impedance spectroscopy (EIS). The achieved outcome is 5.28 % maximum efficiency for the unsymmetrical zinc phthalocyanine (AsZnPc) (6) device, compared to 3.27 % for the symmetric zinc phthalocyanine (ZnPc) (4) device. Furthermore, a higher electron lifetime (2.08 ms) for the AsZnPc device was obtained in EIS, indicating enhanced inhibition of reverse reactions. Additionally, cell stability was tested by performing Linear Sweep Voltammetry (LSV) and EIS analyses across 50 cycles under 100 mW/cm² illumination (1.5 AM) in ambient conditions.

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新型对称型和a3b型不对称型含溴萘基酞菁的电化学、光谱电化学性能及其在染料敏化太阳能电池中的应用

本研究重点研究了新型对称和不对称酞菁锌（A3B）配合物的合成、综合表征及其在染料敏化太阳能电池（DSSCs）中的应用。采用紫外-可见（UV-Vis）吸收光谱、傅里叶变换红外（FTIR）、质子核磁共振（1H NMR）、基质辅助激光解吸/电离飞行时间质谱（MALDI-TOF MS）以及电化学和光谱电化学技术对新合成的染料进行了表征。通过电流密度-电压（J-V）特性和电化学阻抗谱（EIS）系统评价了基于这些配合物的DSSCs的光伏性能。非对称酞菁锌（AsZnPc）(6)装置的最大效率为5.28%，而对称酞菁锌（ZnPc）(4)装置的最大效率为3.27%。此外，在EIS中获得了更高的电子寿命（2.08 ms），表明AsZnPc器件对逆反应的抑制作用增强。此外，在100mw /cm2照明（1.5 AM）的环境条件下，通过进行线性扫描伏安法（LSV）和EIS分析，在50个循环中测试电池的稳定性。

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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.