Structural, thermal and optoelectrical properties of pure and gadolinium doped barium strontium titanate for DSSC applications

被引：1
|
作者：
Karthikeyan, S. [1 ,6 ]
Thirunavukkarasu, P. [1 ]
Surendhiran, S. [2 ]
Khadar, Y. A. Syed [3 ]
Balamurugan, A. [4 ]
Gobinath, B. [5 ]
机构：
[1] Sri Ramakrishna Mission Vidyalaya Coll Arts & Sci, Dept Elect, Coimbatore 641020, Tamil Nadu, India
[2] KS Rangasamy Coll Technol, Ctr Nanosci & Technol, Tiruchengode 637215, Tamil Nadu, India
[3] KSR Coll Arts & Sci Women, Dept Phys, Tiruchengode 637215, Tamil Nadu, India
[4] Govt Arts & Sci Coll, Dept Phys, Avinashi 641654, Tamil Nadu, India
[5] Thiru Vi Ka Govt Arts Coll, PG & Res Dept Phys, Thiruvarur 610003, Tamil Nadu, India
[6] KG Coll Arts & Sci, Dept Elect & Commun Syst, Coimbatore 641035, Tamil Nadu, India
来源：
MATERIALS TODAY-PROCEEDINGS | 2021年 / 47卷
关键词：
Barium Strontium titanate; Gadolinium doping; Sonication assisted method; DSSC applications; NANOCRYSTALLINE; FILMS;
D O I：
10.1016/j.matpr.2021.05.217
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A conventional method was adopted to prepare pure barium strontium titanate (BST) and gadolinium (Gd) doped BST nano perovskite (BSGT). The present investigation focused on various properties of as pure BST and BSGT for energy conversion applications. Cubic structure with Pm3/m space group was noticed in the structural mode of BST and BSGT by X-Ray diffraction analysis. Numerous functional groups related to BST and BSGT were assigned from Fourier-transform infrared peaks. The optical bandgap energy of BST decreased with the inclusion of Gd3+, which was investigated by UV-Vis spectrum. Electrical responses of prepared nano perovskite samples were identified by electrochemical impedance spectroscopy (EIS). Therefore, the IV characteristics were deliberated to study the BST and BSGT as photoanode for DSSC applications. (C) 2021 Elsevier Ltd. All rights reserved.
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收藏
页码：970 / 977
页数：8
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