Temperature Driven Phase Transition of Organic-Inorganic Halide Perovskite Single Crystals

Hye Ryung Byun; Hyo In Kim; Su Jeong Byun; Dae Young Park; Mun Seok Jeong; Clare Chisu Byeon

doi:10.3938/jkps.73.1729

Temperature Driven Phase Transition of Organic-Inorganic Halide Perovskite Single Crystals

Hye Ryung Byun
, Hyo In Kim
, Su Jeong Byun
, Dae Young Park
, Mun Seok Jeong
, Clare Chisu Byeon

School of Mechanical Engineering

Sungkyunkwan University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Organic-inorganic halide perovskite single crystals undergo phase transition of being cubic, tetragonal, or orthorhombic depending on the temperature. We investigated the CH₃NH₃PbBr_3−xI_x single crystals grown by the inverse temperature crystallization method with temperature-dependent UV-Vis absorption and photoluminescence. From the temperature-dependent absorption measurement, the optical band gap is extracted by derivation of absorption spectrum fitting and Tauc plot. In our results, CH₃NH₃PbBr_3−xI_x single crystals show that an abrupt change in optical band gap, PL peak position and intensity appears around 120 K - 170 K regions, indicating the phase transition temperature.

Original language	English
Pages (from-to)	1729-1734
Number of pages	6
Journal	Journal of the Korean Physical Society
Volume	73
Issue number	11
DOIs	https://doi.org/10.3938/jkps.73.1729
State	Published - 1 Dec 2018

Keywords

Derivation of absorption spectrum fitting (DASF)
Perovskite single crystal
Phase transition
Photoluminescence
Temperature-dependent absorption

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10.3938/jkps.73.1729

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title = "Temperature Driven Phase Transition of Organic-Inorganic Halide Perovskite Single Crystals",

abstract = "Organic-inorganic halide perovskite single crystals undergo phase transition of being cubic, tetragonal, or orthorhombic depending on the temperature. We investigated the CH3NH3PbBr3−xIx single crystals grown by the inverse temperature crystallization method with temperature-dependent UV-Vis absorption and photoluminescence. From the temperature-dependent absorption measurement, the optical band gap is extracted by derivation of absorption spectrum fitting and Tauc plot. In our results, CH3NH3PbBr3−xIx single crystals show that an abrupt change in optical band gap, PL peak position and intensity appears around 120 K - 170 K regions, indicating the phase transition temperature.",

keywords = "Derivation of absorption spectrum fitting (DASF), Perovskite single crystal, Phase transition, Photoluminescence, Temperature-dependent absorption",

author = "Byun, \{Hye Ryung\} and Kim, \{Hyo In\} and Byun, \{Su Jeong\} and Park, \{Dae Young\} and Jeong, \{Mun Seok\} and Byeon, \{Clare Chisu\}",

note = "Publisher Copyright: {\textcopyright} 2018, The Korean Physical Society.",

year = "2018",

month = dec,

day = "1",

doi = "10.3938/jkps.73.1729",

language = "English",

volume = "73",

pages = "1729--1734",

journal = "Journal of the Korean Physical Society",

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TY - JOUR

T1 - Temperature Driven Phase Transition of Organic-Inorganic Halide Perovskite Single Crystals

AU - Byun, Hye Ryung

AU - Kim, Hyo In

AU - Byun, Su Jeong

AU - Park, Dae Young

AU - Jeong, Mun Seok

AU - Byeon, Clare Chisu

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Organic-inorganic halide perovskite single crystals undergo phase transition of being cubic, tetragonal, or orthorhombic depending on the temperature. We investigated the CH3NH3PbBr3−xIx single crystals grown by the inverse temperature crystallization method with temperature-dependent UV-Vis absorption and photoluminescence. From the temperature-dependent absorption measurement, the optical band gap is extracted by derivation of absorption spectrum fitting and Tauc plot. In our results, CH3NH3PbBr3−xIx single crystals show that an abrupt change in optical band gap, PL peak position and intensity appears around 120 K - 170 K regions, indicating the phase transition temperature.

AB - Organic-inorganic halide perovskite single crystals undergo phase transition of being cubic, tetragonal, or orthorhombic depending on the temperature. We investigated the CH3NH3PbBr3−xIx single crystals grown by the inverse temperature crystallization method with temperature-dependent UV-Vis absorption and photoluminescence. From the temperature-dependent absorption measurement, the optical band gap is extracted by derivation of absorption spectrum fitting and Tauc plot. In our results, CH3NH3PbBr3−xIx single crystals show that an abrupt change in optical band gap, PL peak position and intensity appears around 120 K - 170 K regions, indicating the phase transition temperature.

KW - Derivation of absorption spectrum fitting (DASF)

KW - Perovskite single crystal

KW - Phase transition

KW - Photoluminescence

KW - Temperature-dependent absorption

UR - https://www.scopus.com/pages/publications/85058688882

U2 - 10.3938/jkps.73.1729

DO - 10.3938/jkps.73.1729

M3 - Article

AN - SCOPUS:85058688882

SN - 0374-4884

VL - 73

SP - 1729

EP - 1734

JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - 11

ER -

Temperature Driven Phase Transition of Organic-Inorganic Halide Perovskite Single Crystals

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Keywords

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