Optical properties of ZnO soccer-ball structures grown by vapor phase transport

Giwoong Nam; Sang Heon Lee; Soaram Kim; Min Su Kim; Do Yeob Kim; Kwang Gug Yim; Dong Yul Lee; Jin Soo Kim; Jong Su Kim; Jeong Sik Son; Sung O. Kim; Jae Hak Jung; Jae Young Leem

doi:10.1143/JJAP.51.021102

Optical properties of ZnO soccer-ball structures grown by vapor phase transport

Giwoong Nam
, Sang Heon Lee
, Soaram Kim
, Min Su Kim
, Do Yeob Kim
, Kwang Gug Yim
, Dong Yul Lee
, Jin Soo Kim
, Jong Su Kim
, Jeong Sik Son
, Sung O. Kim
, Jae Hak Jung
, Jae Young Leem^*

^*Corresponding author for this work

Information Materials Engineering

Inje University
Yeungnam University
Clemson University
Samsung
Kyungwoon University

Research output: Contribution to journal › Journal article › peer-review

7 Scopus citations

Abstract

ZnO soccer balls were grown on an Au-catalyzed Si(100) substrate by vapor phase transport (VPT) with a mixture of zinc oxide and graphite powders. Temperature-dependent PL was carried out to investigate the mechanism governing the quenching behavior of the PL spectra. From the PL spectra of the ZnO soccer balls at 10 K, several PL peaks were observed at 3.365, 3.318, 3.249, and 3.183 eV corresponding to excitons bound to neutral donors (D°X), a donor-acceptor pair (DAP), first-order longitudinal optical phonon replica of donor-acceptor pair (DAP-1LO), and DAP-2LO, respectively. The mixed system composed of the free exciton (FX) and D°X and the DAP radiative lifetimes were estimated with a theoretical relation between the lifetime and the spectral width. The exciton radiative lifetimes were observed to increase linearly with temperature.

Original language	English
Article number	021102
Journal	Japanese Journal of Applied Physics
Volume	51
Issue number	2 PART 1
DOIs	https://doi.org/10.1143/JJAP.51.021102
State	Published - 2012.02

Quacquarelli Symonds(QS) Subject Topics

Physics & Astronomy

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10.1143/JJAP.51.021102

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@article{51f4b57d80a44b378faaa6a4ad889efd,

title = "Optical properties of ZnO soccer-ball structures grown by vapor phase transport",

abstract = "ZnO soccer balls were grown on an Au-catalyzed Si(100) substrate by vapor phase transport (VPT) with a mixture of zinc oxide and graphite powders. Temperature-dependent PL was carried out to investigate the mechanism governing the quenching behavior of the PL spectra. From the PL spectra of the ZnO soccer balls at 10 K, several PL peaks were observed at 3.365, 3.318, 3.249, and 3.183 eV corresponding to excitons bound to neutral donors (D°X), a donor-acceptor pair (DAP), first-order longitudinal optical phonon replica of donor-acceptor pair (DAP-1LO), and DAP-2LO, respectively. The mixed system composed of the free exciton (FX) and D°X and the DAP radiative lifetimes were estimated with a theoretical relation between the lifetime and the spectral width. The exciton radiative lifetimes were observed to increase linearly with temperature.",

author = "Giwoong Nam and Lee, \{Sang Heon\} and Soaram Kim and Kim, \{Min Su\} and Kim, \{Do Yeob\} and Yim, \{Kwang Gug\} and Lee, \{Dong Yul\} and Kim, \{Jin Soo\} and Kim, \{Jong Su\} and Son, \{Jeong Sik\} and Kim, \{Sung O.\} and Jung, \{Jae Hak\} and Leem, \{Jae Young\}",

year = "2012",

month = feb,

doi = "10.1143/JJAP.51.021102",

language = "English",

volume = "51",

journal = "Japanese Journal of Applied Physics",

issn = "0021-4922",

number = "2 PART 1",

}

TY - JOUR

T1 - Optical properties of ZnO soccer-ball structures grown by vapor phase transport

AU - Nam, Giwoong

AU - Lee, Sang Heon

AU - Kim, Soaram

AU - Kim, Min Su

AU - Kim, Do Yeob

AU - Yim, Kwang Gug

AU - Lee, Dong Yul

AU - Kim, Jin Soo

AU - Kim, Jong Su

AU - Son, Jeong Sik

AU - Kim, Sung O.

AU - Jung, Jae Hak

AU - Leem, Jae Young

PY - 2012/2

Y1 - 2012/2

N2 - ZnO soccer balls were grown on an Au-catalyzed Si(100) substrate by vapor phase transport (VPT) with a mixture of zinc oxide and graphite powders. Temperature-dependent PL was carried out to investigate the mechanism governing the quenching behavior of the PL spectra. From the PL spectra of the ZnO soccer balls at 10 K, several PL peaks were observed at 3.365, 3.318, 3.249, and 3.183 eV corresponding to excitons bound to neutral donors (D°X), a donor-acceptor pair (DAP), first-order longitudinal optical phonon replica of donor-acceptor pair (DAP-1LO), and DAP-2LO, respectively. The mixed system composed of the free exciton (FX) and D°X and the DAP radiative lifetimes were estimated with a theoretical relation between the lifetime and the spectral width. The exciton radiative lifetimes were observed to increase linearly with temperature.

AB - ZnO soccer balls were grown on an Au-catalyzed Si(100) substrate by vapor phase transport (VPT) with a mixture of zinc oxide and graphite powders. Temperature-dependent PL was carried out to investigate the mechanism governing the quenching behavior of the PL spectra. From the PL spectra of the ZnO soccer balls at 10 K, several PL peaks were observed at 3.365, 3.318, 3.249, and 3.183 eV corresponding to excitons bound to neutral donors (D°X), a donor-acceptor pair (DAP), first-order longitudinal optical phonon replica of donor-acceptor pair (DAP-1LO), and DAP-2LO, respectively. The mixed system composed of the free exciton (FX) and D°X and the DAP radiative lifetimes were estimated with a theoretical relation between the lifetime and the spectral width. The exciton radiative lifetimes were observed to increase linearly with temperature.

UR - https://www.scopus.com/pages/publications/84863139332

U2 - 10.1143/JJAP.51.021102

DO - 10.1143/JJAP.51.021102

M3 - Journal article

AN - SCOPUS:84863139332

SN - 0021-4922

VL - 51

JO - Japanese Journal of Applied Physics

JF - Japanese Journal of Applied Physics

IS - 2 PART 1

M1 - 021102

ER -

Optical properties of ZnO soccer-ball structures grown by vapor phase transport

Abstract

Quacquarelli Symonds(QS) Subject Topics

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