Fabrication and characterization of CdTe nano pattern on flexible substrates by nano imprinting and electrodeposition

Seungju Chun, Kang Soo Han, Ju Hyeon Shin, Heon Lee, Donghwan Kim

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Nano imprinting technology and the electrodeposition method were applied to make CdTe nano patterns on flexible substrates. An ammonia based aqueous solution was prepared at pH 10.7 and indium tin oxide (ITO)/polyethylene naphthalate (PEN) film with template was used as the working electrode. ITO thin film which was coated on PEN film had good electrical conductivity and optical transmittance. The template was manufactured by nano imprinting technology on ITO/PEN film. It was made from benzyl methacrylate and had nano rod arrays. It was used as the working electrode and for making CdTe nano pattern. CdTe nano pattern were analyzed by X-ray diffractometer, dual beam (DB)-focused ion beam (FIB)-scanning electron microscopy (SEM), Raman spectroscopy, and ultraviolet (UV)-visible (VIS) spectroscopy. The structure and optical properties of CdTe nano pattern on flexible substrates was analyzed. The crystalline size of nano pattern had 8.26 nm. The Te particles that were precipitated on CdTe surface seems to be exist. The absence of annealing process influenced to have low absorption coefficient and narrow band gap compared to bulk CdTe. However, nano pattern increased reflectance.

Original languageEnglish
Pages (from-to)2097-2102
Number of pages6
JournalMicroelectronic Engineering
Volume87
Issue number11
DOIs
Publication statusPublished - 2010 Nov 1

Fingerprint

Polyethylene
Tin oxides
Electrodeposition
electrodeposition
Indium
Polyethylenes
Nanotechnology
Fabrication
fabrication
Substrates
indium oxides
tin oxides
polyethylenes
Electrodes
Focused ion beams
Ultraviolet visible spectroscopy
Opacity
Diffractometers
nanotechnology
Ammonia

Keywords

  • CdTe nano pattern
  • Electrodeposition
  • Flexible substrate
  • Nano imprinting

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Fabrication and characterization of CdTe nano pattern on flexible substrates by nano imprinting and electrodeposition. / Chun, Seungju; Han, Kang Soo; Shin, Ju Hyeon; Lee, Heon; Kim, Donghwan.

In: Microelectronic Engineering, Vol. 87, No. 11, 01.11.2010, p. 2097-2102.

Research output: Contribution to journalArticle

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