Manuscript Number : GISRRJ203211

How Lattice Dynamics Moderate the Electronic Properties of Metal-Halide Perovskites : A Study

Authors(1) :-Dr. Anil Kumar Singh

Metal-halide perovskites have emerged as highly promising semiconductors with excellent optoelectronic properties. This Perspective outlines how the dynamic response of the ionic lattice affects key electronic properties such as exciton binding energies and charge-carrier mobilities in hybrid perovskites. Such links are shown to derive from the frequency-dependence of the dielectric function, which is governed by contributions from electronic interband transitions, polar vibrations of the metal-halide sublattice, organic cation collective reorientations, and ionic movement. The influence of each of these contributions to charge-carrier screening and carrier–lattice interactions is discussed, which allows for general trends with material composition to be revealed. Overall, this Perspective highlights the challenges and questions arising from the peculiar combination of a soft polar metal-halide sublattice interspersed with rotationally mobile dipolar molecules that is encountered in hybrid metal-halide perovskites.

Authors and Affiliations

Dr. Anil Kumar Singh
M.Sc., Ph.D.(Physics), B.R.A. Bihar University, Muzaffarpur (Bihar), India

  1. Herz, L. M. Charge-Carrier Mobilities in Metal Halide Perovskites: Fundamental Mechanisms and Limits. ACS Energy Lett. 2017, 2, 1539– 1548,  DOI: 10.1021/acsenergylett.7b00276 [ACS Full Text ACS Full Text], [CAS], Google Schola
  2. Ibid.
  3. Ibid.
  4. Herz, L. M. Charge Carrier Dynamics in Organic-Inorganic Metal Halide Perovskites. Annu. Rev. Phys. Chem. 2016, 67, 65– 89,  DOI: 10.1146/annurev-physchem-040215-112222 [Crossref], [PubMed],.
  5. Green, M. A.; Hishikawa, Y.; Dunlop, E. D.; Levi, D. H.; HohlEbinger, J.; HoBaillie, A. W. Solar Cell Efficiency Tables (Version 52). Prog. Photovoltaics 2018, 26, 427– 436,  DOI: 10.1002/pip.3040.
  6. Ibid.
  7. Glaser, T.; Müller, C.; Sendner, M.; Krekeler, C.; Semonin, O. E.; Hull, T. D.; Yaffe, O.; Owen, J. S.; Kowalsky, W.; Pucci, A.; Lovrincic, R. Infrared Spectroscopic Study of Vibrational Modes in Methylammonium Lead Halide Perovskites. J. Phys. Chem. Lett. 2015, 6, 2913– 2918,  DOI: 10.1021/acs.jpclett.5b01309 [ACS Full Text ACS Full Text],
  8. Perez-Osorio, M. A.; Milot, R. L.; Filip, M. R.; Patel, J. B.; Herz, L. M.; Johnston, M. B.; Giustino, F. Vibrational Properties of the Organic-Inorganic Halide Perovskite CH3NH3PbI3 from Theory and Experiment: Factor Group Analysis, First-Principles Calculations, and Low-Temperature Infrared Spectra. J. Phys. Chem. C 2015, 119, 25703– 25718,  DOI: 10.1021/acs.jpcc.5b07432 [ACS Full Text ACS Full Text], [CAS]

Publication Details

Published in : Volume 3 | Issue 2 | March-April 2020
Date of Publication : 2020-04-30
License:  This work is licensed under a Creative Commons Attribution 4.0 International License.
Page(s) : 61-63
Manuscript Number : GISRRJ203211
Publisher : Technoscience Academy

ISSN : 2582-0095

Cite This Article :

Dr. Anil Kumar Singh , "How Lattice Dynamics Moderate the Electronic Properties of Metal-Halide Perovskites : A Study", Gyanshauryam, International Scientific Refereed Research Journal (GISRRJ), ISSN : 2582-0095, Volume 3, Issue 2, pp.61-63, March-April.2020
URL : https://gisrrj.com/GISRRJ203211

Article Preview