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  1. Article ; Online: Raman Scattering Studies of the Structural Phase Transitions in Single-Crystalline CH

    Thu Nguyen, Trang Thi / Kim, Yejin / Bae, Soungmin / Bari, Maryam / Jung, Hye Ri / Jo, William / Kim, Yong-Hoon / Ye, Zuo-Guang / Yoon, Seokhyun

    The journal of physical chemistry letters

    2020  Volume 11, Issue 10, Page(s) 3773–3781

    Abstract: Methylammonium lead trihalide perovskites ... ...

    Abstract Methylammonium lead trihalide perovskites CH
    Language English
    Publishing date 2020-04-30
    Publishing country United States
    Document type Journal Article
    ISSN 1948-7185
    ISSN (online) 1948-7185
    DOI 10.1021/acs.jpclett.0c00920
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Optical and Scanning Probe Identification of Electronic Structure and Phases in CH3NH3PbBr3 Crystal

    Jung, Hye Ri / Ahn Chang Won / Cho Shinuk / Jin Hye-Jin / Jo William / Kim Gee Yeong / Kim Ill Won / Nguyen Bich Phuong / Thu Nguyen Trang Thi / Woo Won Seok / Yoon Seokhyun

    The Journal of Physical Chemistry C. 2017 Oct. 12, v. 121, no. 40

    2017  

    Abstract: Hybrid lead halide perovskite possesses attractive properties and outstanding performance. The electronic structure of hybrid lead halide perovskite single crystal can be used to comprehend its intrinsic properties. In this study, the crystal structure ... ...

    Abstract Hybrid lead halide perovskite possesses attractive properties and outstanding performance. The electronic structure of hybrid lead halide perovskite single crystal can be used to comprehend its intrinsic properties. In this study, the crystal structure of CH3NH3PbBr3 perovskite crystal was elucidated by transmission electron microscopy. Phonon modes and CH3NH3+ rocking modes were analyzed. Band gaps of the crystal were obtained by temperature-dependent Raman scattering spectroscopy and photoluminescence measurement. Surface potential measurement for a (001) plane exhibited a work function of the material and other phases of PbBr2 and CH3NH3Br. From experimentally determined values, an electronic structure of CH3NH3PbBr3 was built. It showed a p-type characteristic.
    Keywords crystal structure ; lead ; photoluminescence ; Raman spectroscopy ; transmission electron microscopy
    Language English
    Dates of publication 2017-1012
    Size p. 21930-21934.
    Publishing place American Chemical Society
    Document type Article
    ISSN 1932-7455
    DOI 10.1021%2Facs.jpcc.7b06765
    Database NAL-Catalogue (AGRICOLA)

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