Modified structure and optical band-gap in perovskite ferroelectric (1-x)KNbO3-xBaCo1/3Nb2/3O3ceramics
文献类型：期刊论文
| 作者 | Si, Shufang1; Deng, Hongmei2; Zhou, Wenliang1; Wang, Tiantian1; Yang, Pingxiong1; Chu, Junhao1 |
| 刊名 | Ceramics International
 |
| 出版日期 | 2018 |
| 卷号 | 44期号:12页码:14638-14644 |
| ISSN号 | 02728842 |
| DOI | 10.1016/j.ceramint.2018.05.088 |
| 英文摘要 | In the process of exploring ideal ferroelectric perovskites for photovoltaic applications, a novel kind of ceramic (1-x)KNbO3-xBaCo1/3Nb2/3O3(xKBCNO) has been synthesized using solid-state method. The phase transition, microstructure, optical and ferroelectric properties of the compounds were investigated in detail. X-ray diffraction and Raman scattering spectra analyses indicate that single phase ceramics have been formed with cubic perovskite structure in space group Pm3m. Obvious crystal lattice expansion can be found as x increases. A narrow band gap of 1.87 eV is observed at x = 0.75, which proves the dramatic effect of BaCo1/3Nb2/3O3(BCNO) addition on the energy band gap. Besides, the room-temperature ferroelectricity has been detected in KBCNO ceramics controlled by the BCNO doping content. These results lay a solid foundation on further exploring the phase transition, band gap engineering, and electric properties in perovskite oxides, and indicate potential applications in perovskite solar cells. © 2018 Elsevier Ltd and Techna Group S.r.l. |
| 出版者 | Elsevier Ltd |
| 源URL | [http://ir.sic.ac.cn/handle/331005/25329]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 作者单位 | 1.Key Laboratory of Polar Materials and Devices, Ministry of Education, Department of Electronic Engineering, East China Normal University, Shanghai; 200241, China; 2.Instrumental Analysis and Research Center, Institute of Materials, Shanghai University, 99 Shangda Road, Shanghai; 200444, China |
| 推荐引用方式 GB/T 7714 | Si, Shufang,Deng, Hongmei,Zhou, Wenliang,et al. Modified structure and optical band-gap in perovskite ferroelectric (1-x)KNbO3-xBaCo1/3Nb2/3O3ceramics[J]. Ceramics International,2018,44(12):14638-14644. |
| APA | Si, Shufang,Deng, Hongmei,Zhou, Wenliang,Wang, Tiantian,Yang, Pingxiong,&Chu, Junhao.(2018).Modified structure and optical band-gap in perovskite ferroelectric (1-x)KNbO3-xBaCo1/3Nb2/3O3ceramics.Ceramics International,44(12),14638-14644. |
| MLA | Si, Shufang,et al."Modified structure and optical band-gap in perovskite ferroelectric (1-x)KNbO3-xBaCo1/3Nb2/3O3ceramics".Ceramics International 44.12(2018):14638-14644. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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