Synthesis and optical properties of tetragonal CH3NH3PbIxBr3-x thin films
Wang, HY (Wang, Heyong)1; Wang, L (Wang, Lei)1; Ren, W (Ren, Wei)1; Xu, JB (Xu, Jinbao)1; Zhao, PJ (Zhao, Pengjun)1; Luo, JM (Luo, Jianmin)1; Bian, L (Bian, Liang)1; Chang, AM (Chang, Aimin)1
2015
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume161Issue:12Pages:484-487
Abstract

CH3NH3PbIxBr3-x thin films on FTO substrate were synthesized successfully. The crystal structure and optical properties of these films changed with different ratios of I-/Br- ions. The lattice parameters were reduced and the optical absorption edges were blue-shifted with the increasing ratio of Br- ions. The dielectric spectra have revealed that tetragonal CH3NH3PbIxBr3-x films at room temperature not only have a lower symmetry than cubic films, but also provide more electron transition energies. The mechanism is discussed correspondingly.

KeywordPerovskite Spectroscopy Crystal Structure Dielectrics
DOI10.1016/j.matlet.2015.09.029
Indexed BySCI
WOS IDWOS:000364891700124
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4987
Collection中国科学院特殊环境功能材料与器件重点试验室
材料物理与化学研究室
Corresponding AuthorWang, L (Wang, Lei)
Affiliation1.Chinese Acad Sci, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xinjiang Uygur Autonomous Reg Acad Instrument Ana, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Wang, HY ,Wang, L ,Ren, W ,et al. Synthesis and optical properties of tetragonal CH3NH3PbIxBr3-x thin films[J]. MATERIALS LETTERS,2015,161(12):484-487.
APA Wang, HY .,Wang, L .,Ren, W .,Xu, JB .,Zhao, PJ .,...&Chang, AM .(2015).Synthesis and optical properties of tetragonal CH3NH3PbIxBr3-x thin films.MATERIALS LETTERS,161(12),484-487.
MLA Wang, HY ,et al."Synthesis and optical properties of tetragonal CH3NH3PbIxBr3-x thin films".MATERIALS LETTERS 161.12(2015):484-487.
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