Optoelectronic properties of various HgTe nanoparticle-based structures in the visible and infrared wavelength range

Hyunsuk Kim, Kyoungah Cho, Sangsig Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Structural, optical, and electrical properties of various HgTe nanoparticle-based structures including a hybrid HgTe system with organic capping material and a HgTe/CdTe core-shell structure are characterised in this paper by X-ray diffraction, high-resolution transmission electron microscope, photoluminescence (PL), absorption, and current-voltage and photocurrent measurements. Absorption and PL spectra taken for HgTe nanoparticles reveal strong exciton peaks in the near infrared (IR) wavelength range, indicating that the HgTe nanoparticles are a very prospective nanomaterial for the application of optoelectronics operating in IR range. Photocurrents of various HgTe nanoparticle-based structures are compared in visible and IR wavelength range, and the comparison shows that the kind of capping or composites materials and existence of capping materials significantly affect the optoelectronic properties of the HgTe nanoparticles. Finally, transportation of charge carriers and photocurrent mechanism in the HgTe nanoparticle-based structures are discussed in detail in this paper.

Original languageEnglish
Pages (from-to)298-313
Number of pages16
JournalInternational Journal of Nanotechnology
Volume3
Issue number2-3
Publication statusPublished - 2006 Jul 5

Fingerprint

Optoelectronic devices
Nanoparticles
Infrared radiation
Wavelength
nanoparticles
Photocurrents
wavelengths
photocurrents
Photoluminescence
photoluminescence
organic materials
Charge carriers
Hybrid systems
Nanostructured materials
Excitons
electrical measurement
Structural properties
charge carriers
Electric properties
Electron microscopes

Keywords

  • Absorption
  • Core-shell nanoparticles
  • HgTe nanoparticles
  • Hybrid structure
  • Photocurrent
  • Photoluminescence (PL)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Materials Science (miscellaneous)
  • Control and Systems Engineering

Cite this

Optoelectronic properties of various HgTe nanoparticle-based structures in the visible and infrared wavelength range. / Kim, Hyunsuk; Cho, Kyoungah; Kim, Sangsig.

In: International Journal of Nanotechnology, Vol. 3, No. 2-3, 05.07.2006, p. 298-313.

Research output: Contribution to journalArticle

@article{2cdca2adc7934bb0904d806d1f1d9e2a,
title = "Optoelectronic properties of various HgTe nanoparticle-based structures in the visible and infrared wavelength range",
abstract = "Structural, optical, and electrical properties of various HgTe nanoparticle-based structures including a hybrid HgTe system with organic capping material and a HgTe/CdTe core-shell structure are characterised in this paper by X-ray diffraction, high-resolution transmission electron microscope, photoluminescence (PL), absorption, and current-voltage and photocurrent measurements. Absorption and PL spectra taken for HgTe nanoparticles reveal strong exciton peaks in the near infrared (IR) wavelength range, indicating that the HgTe nanoparticles are a very prospective nanomaterial for the application of optoelectronics operating in IR range. Photocurrents of various HgTe nanoparticle-based structures are compared in visible and IR wavelength range, and the comparison shows that the kind of capping or composites materials and existence of capping materials significantly affect the optoelectronic properties of the HgTe nanoparticles. Finally, transportation of charge carriers and photocurrent mechanism in the HgTe nanoparticle-based structures are discussed in detail in this paper.",
keywords = "Absorption, Core-shell nanoparticles, HgTe nanoparticles, Hybrid structure, Photocurrent, Photoluminescence (PL)",
author = "Hyunsuk Kim and Kyoungah Cho and Sangsig Kim",
year = "2006",
month = "7",
day = "5",
language = "English",
volume = "3",
pages = "298--313",
journal = "International Journal of Nanotechnology",
issn = "1475-7435",
publisher = "Inderscience Enterprises Ltd",
number = "2-3",

}

TY - JOUR

T1 - Optoelectronic properties of various HgTe nanoparticle-based structures in the visible and infrared wavelength range

AU - Kim, Hyunsuk

AU - Cho, Kyoungah

AU - Kim, Sangsig

PY - 2006/7/5

Y1 - 2006/7/5

N2 - Structural, optical, and electrical properties of various HgTe nanoparticle-based structures including a hybrid HgTe system with organic capping material and a HgTe/CdTe core-shell structure are characterised in this paper by X-ray diffraction, high-resolution transmission electron microscope, photoluminescence (PL), absorption, and current-voltage and photocurrent measurements. Absorption and PL spectra taken for HgTe nanoparticles reveal strong exciton peaks in the near infrared (IR) wavelength range, indicating that the HgTe nanoparticles are a very prospective nanomaterial for the application of optoelectronics operating in IR range. Photocurrents of various HgTe nanoparticle-based structures are compared in visible and IR wavelength range, and the comparison shows that the kind of capping or composites materials and existence of capping materials significantly affect the optoelectronic properties of the HgTe nanoparticles. Finally, transportation of charge carriers and photocurrent mechanism in the HgTe nanoparticle-based structures are discussed in detail in this paper.

AB - Structural, optical, and electrical properties of various HgTe nanoparticle-based structures including a hybrid HgTe system with organic capping material and a HgTe/CdTe core-shell structure are characterised in this paper by X-ray diffraction, high-resolution transmission electron microscope, photoluminescence (PL), absorption, and current-voltage and photocurrent measurements. Absorption and PL spectra taken for HgTe nanoparticles reveal strong exciton peaks in the near infrared (IR) wavelength range, indicating that the HgTe nanoparticles are a very prospective nanomaterial for the application of optoelectronics operating in IR range. Photocurrents of various HgTe nanoparticle-based structures are compared in visible and IR wavelength range, and the comparison shows that the kind of capping or composites materials and existence of capping materials significantly affect the optoelectronic properties of the HgTe nanoparticles. Finally, transportation of charge carriers and photocurrent mechanism in the HgTe nanoparticle-based structures are discussed in detail in this paper.

KW - Absorption

KW - Core-shell nanoparticles

KW - HgTe nanoparticles

KW - Hybrid structure

KW - Photocurrent

KW - Photoluminescence (PL)

UR - http://www.scopus.com/inward/record.url?scp=33745662625&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33745662625&partnerID=8YFLogxK

M3 - Article

VL - 3

SP - 298

EP - 313

JO - International Journal of Nanotechnology

JF - International Journal of Nanotechnology

SN - 1475-7435

IS - 2-3

ER -