Crystal structure design and multiband physical properties of quaternary sulfide Ba5Bi2Co2S10 for optoelectronic conversion

doi:10.1039/c9cc00794f

SIC OpenIR

	Crystal structure design and multiband physical properties of quaternary sulfide Ba5Bi2Co2S10 for optoelectronic conversion
	Bu, Kejun; Zhang, Xian; Huang, Jian; Luo, Mengjia; Zheng, Chong; Wang, Ruiqi; Wang, Dong; He, Jianqiao; Zhao, Wei; Che, Xiangli; Huang, Fuqiang
	2019-04-28
Source Publication	CHEMICAL COMMUNICATIONS
ISSN	1359-7345
Volume	55 Issue:33 Pages:4809
Subtype	Article
Abstract	Multiband materials have received increasing attention due to their superior solar absorption properties. Here we design a new multiband compound, namely Ba5Bi2Co2S10, which crystallizes in the space group C22h-P2(1)/m (No. 11) of the monoclinic system. Ba5Bi2Co2S10 is composed of one-dimensional 1[Bi2Co2S10](10-) chains along the a axis. The adjacent chains are separated by Ba2+ ions. The optical band gap of the compound is 1.05 eV and 0.74 eV, presenting typical multi-absorption characteristics. First-principles calculations, which are perfectly consistent with the experimental results, show that the hybrid coupling effect between Co and S gives rise to multiband characteristics. Evident optoelectronic conversion properties were observed under visible light illumination with a photocurrent density of 4.0 mA cm(-2) at 1 V.
DOI	10.1039/c9cc00794f
Language	英语
WOS Research Area	Chemistry
Publisher	ROYAL SOC CHEMISTRY
Citation statistics	Cited Times:2[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/27165
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Bu, Kejun,Zhang, Xian,Huang, Jian,et al. Crystal structure design and multiband physical properties of quaternary sulfide Ba5Bi2Co2S10 for optoelectronic conversion[J]. CHEMICAL COMMUNICATIONS,2019,55(33):4809.
APA	Bu, Kejun.,Zhang, Xian.,Huang, Jian.,Luo, Mengjia.,Zheng, Chong.,...&Huang, Fuqiang.(2019).Crystal structure design and multiband physical properties of quaternary sulfide Ba5Bi2Co2S10 for optoelectronic conversion.CHEMICAL COMMUNICATIONS,55(33),4809.
MLA	Bu, Kejun,et al."Crystal structure design and multiband physical properties of quaternary sulfide Ba5Bi2Co2S10 for optoelectronic conversion".CHEMICAL COMMUNICATIONS 55.33(2019):4809.

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