Growth and characterization of crystalline BaSnO3 perovskite nanostructures and the influence of heavy Mn doping on its properties

被引：22
|
作者：
Islam, Ishtihadah [1 ]
Khandy, Shakeel Ahmad [2 ]
Zaman, M. Burhanuz [3 ]
Hafiz, Aurangzeb K. [4 ]
Siddiqui, Azher M. [1 ]
Chai, Jeng-Da [2 ,5 ,6 ,7 ]
机构：
[1] Jamia Milia Islamia, Dept Phys, New Delhi, India
[2] Natl Taiwan Univ, Dept Phys, Taipei, Taiwan
[3] Jiwaji Univ, Sch Studies Phys, Gwalior, Madhya Pradesh, India
[4] Jamia Milia Islamia, Ctr Nanosci & Technol, New Delhi, India
[5] Natl Taiwan Univ, Ctr Theoret Phys, Taipei 10617, Taiwan
[6] Natl Taiwan Univ, Ctr Quantum Sci & Engn, Taipei 10617, Taiwan
[7] Natl Ctr Theoret Sci, Phys Div, Taipei 10617, Taiwan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 867卷
关键词：
Solid state reaction; Perovskite nanostructures; Polygonal nanodiscs; TEM; OPTICAL-PROPERTIES; BAND-GAP; CONDUCTIVITY; MECHANISM; FILMS;
D O I：
10.1016/j.jallcom.2021.158900
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Solid state reaction synthesis of BaSn1-xMnxO3 (x = 0.0-0.3) nanostructures is presented in this article. Heavy transition metal doping in powdered BaSnO3 is accomplished to investigate the structural, morphological, chemical and dielectric properties of synthesized samples. Single phase, cubic crystal formations are revealed from the structural properties. Transmission electron micrographs (TEM) display the formation of polygonal discs with nanoscale (similar to 50 nm) dimensions. Elemental composition of the synthesized samples has been confirmed from the x-ray photoelectron spectroscopy (XPS). Optical properties demonstrate the pristine BaSnO3 as an ultraviolet active material with a band gap of 3.2 eV. The enhancement in visible light active mode is achieved via band gap tuning by proportional Mn-doping in the parent material. (C) 2021 Elsevier B.V. All rights reserved.
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页数：10
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