Multi -functional zinc cobaltite materials for perovskite solar cell and hydrogen evolution reaction applications

IF 3.5 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Dalton Transactions Pub Date : 2025-05-29 DOI:10.1039/d5dt00765h

K. P. Muthukumaran, V. Arjun, A. Nithya, Jingbo Zhang, S. Karuppuchamy

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Abstract

Spinel-structured zinc cobaltite nanoparticles (ZnCo₂O₄ NPs) were successfully synthesized via a hydrothermal method, and their functionality in perovskite solar cells (PSCs) and hydrogen evolution reactions (HERs) was explored. ZnCo₂O₄ NPs were incorporated with methyl ammonium lead iodide (MAPbI₃). ZnCo₂O₄-MAPbI₃ was used as an absorber layer in perovskite solar cells, and its photovoltaic behaviour was examined. The fabricated ZnCo₂O₄(Z2)-MAPbI₃-based PSC exhibited the highest PCE of 9.58%, with a fill factor (FF) of 0.59, an open circuit voltage (V_oc) of 0.9 V and a short circuit current (J_sc) of 18.05 mA cm⁻². The fabricated device showed stability by retaining 84% of its original efficiency under ambient conditions. Additionally, ZnCo₂O₄ NPs were used as electrocatalysts for hydrogen evolution reactions. The ZnCo₂O₄ catalyst exhibited excellent electrocatalytic activity and achieved an overpotential of 109.21 mV at 10 mA cm⁻².

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多功能钴酸锌材料在钙钛矿太阳能电池及析氢反应中的应用

采用水热法成功合成了尖晶石结构的钴酸锌纳米粒子（ZnCo2O4 NPs），并对其在钙钛矿太阳能电池（PSCs）和析氢反应（HERs）中的功能进行了研究。ZnCo2O4 NPs与甲基化铅铵（MAPbI3）掺入。将ZnCo2O4-MAPbI3用作钙钛矿太阳能电池的吸收层，并对其光伏性能进行了研究。制备的ZnCo2O4(Z2)- mapbi3基PSC的PCE最高，为9.58%，填充因子（FF）为0.59，开路电压（Voc）为0.9 V，短路电流（Jsc）为18.05 mA cm−2。制备的器件在环境条件下保持了84%的原始效率，表现出稳定性。此外，ZnCo2O4 NPs被用作析氢反应的电催化剂。ZnCo2O4催化剂表现出优异的电催化活性，在10 mA cm−2下达到了109.21 mV的过电位。

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来源期刊

Dalton Transactions 化学-无机化学与核化学

CiteScore

6.60

自引率

7.50%

发文量

1832

审稿时长

1.5 months

期刊介绍： Dalton Transactions is a journal for all areas of inorganic chemistry, which encompasses the organometallic, bioinorganic and materials chemistry of the elements, with applications including synthesis, catalysis, energy conversion/storage, electrical devices and medicine. Dalton Transactions welcomes high-quality, original submissions in all of these areas and more, where the advancement of knowledge in inorganic chemistry is significant.