Photoresponse and electrochemical behaviour of azobenzene anchored graphene oxide for energy storage application

被引：12

作者：

Baby, Anjana ^{[1
]}

Abinaya, S. ^{[2
]}

John, Athira Maria ^{[1
]}

Jose, Sujin P. ^{[2
]}

Balakrishnan, Sreeja P. ^{[1
]}

机构：

[1] CHRIST Deemed Univ, Dept Chem, Bengaluru 560029, Karnataka, India

[2] Madurai Kamaraj Univ, Sch Phys, Nano Lab, Madurai 625021, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2023年 / 301卷

关键词：

Azobenzene; Energy storage; Graphene oxide hybrid; Photoactive material; Photoisomerization; Solar thermal fuels; SOLAR THERMAL STORAGE; FUNCTIONALIZED GRAPHENE; SURFACE MODIFICATION; CARBON NANOTUBES; ASSEMBLY FILM; PHOTOSWITCHES;

D O I：

10.1016/j.matchemphys.2023.127592

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Solar energy is considered to be a renewable source of energy that is intrinsically more sustainable than fossil fuels. Developing photoactive hybrid materials to store solar energy has recently received much attention. Herein, a photoactive molecule-graphene oxide hybrid was synthesized and characterized systematically. The solar energy storage performances of the hybrids were studied using various photophysical studies. The energy density and power density of the hybrid materials were 47 WhKg-1 and 156.6 WKg-1 respectively which showed 3 fold higher than the pristine compound. The photoelectrochemical behaviour of the hybrid were also studied using Cyclic voltammetry and Electrochemical impedance spectroscopy (EIS). Results showed the electro-chemical performances can be varied due to their changing conformations from trans-to-cis isomerization. This work enables the research community in developing a promising material for solar thermal fuels as well as in energy storage devices.

引用

页数：8

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