Rotational Cation Dynamics in Metal Halide Perovskites: Effect on Phonons and Material Properties

被引：79

作者：

Gallop, Nathaniel P. ^{[1
]}

Selig, Oleg ^{[2
]}

Giubertoni, Giulia ^{[2
]}

Bakker, Huib J. ^{[2
]}

Rezus, Yves L. A. ^{[2
]}

Frost, Jarvist M. ^{[3
]}

Jansen, Thomas L. C. ^{[4
]}

Lovrincic, Robert ^{[5
,6
]}

Bakulin, Artem A. ^{[1
]}

机构：

[1] Imperial Coll London, Ultrafast Optoelect Grp, Dept Chem, London SW7 2AZ, England

[2] AMOLF, Sci Pk 104, NL-1098 XG Amsterdam, Netherlands

[3] Kings Coll London, Dept Phys, London WC2R 2LS, England

[4] Univ Groningen, Zernike Inst Adv Mat, Nijenborgh 4, NL-9747 AG Groningen, Netherlands

[5] InnovationLab Heidelberg, Speyerer Str 4, D-69115 Heidelberg, Germany

[6] TU Braunschweig, Speyerer Str 4, D-69115 Heidelberg, Germany

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2018年 / 9卷 / 20期

关键词：

LEAD IODIDE PEROVSKITES; CURRENT-VOLTAGE HYSTERESIS; EXCITON BINDING-ENERGY; SOLID-STATE NMR; HYBRID PEROVSKITES; SOLAR-CELLS; ORGANIC CATION; CH3NH3PBI3; PEROVSKITE; ORGANOHALIDE PEROVSKITES; MOLECULAR-DYNAMICS;

D O I：

10.1021/acs.jpclett.8b02227

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：

The dynamics of organic cations in metal halide hybrid perovskites (MHPs) have been investigated using numerous experimental and computational techniques because of their suspected effects on the properties of MHPs. In this Perspective, we summarize and reconcile key findings and present new data to synthesize a unified understanding of the dynamics of the cations. We conclude that theory and experiment collectively paint a relatively complete picture of rotational dynamics within MHPs. This picture is then used to discuss the consequences of structural dynamics for electron-phonon interactions and their effect on material properties by providing a brief account of key studies that correlate cation dynamics with the dynamics of the inorganic sublattice and overall device properties.

引用

页码：5987 / 5997

页数：21

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