Flexible cadmium telluride thin films grown on electron-beam-irradiated graphene/thin glass substrates

Won Oh Seo; Yong Hwan Koo; Byungnam Kim; Byung Cheol Lee; Donghwan Kim; Jihyun Kim

doi:10.1063/1.4893744

Flexible cadmium telluride thin films grown on electron-beam-irradiated graphene/thin glass substrates

Won Oh Seo, Yong Hwan Koo, Byungnam Kim, Byung Cheol Lee, Donghwan Kim, Jihyun Kim

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

2 Citations (Scopus)

Abstract

We demonstrate the close-spaced sublimation growth of polycrystalline cadmium telluride (CdTe) thin films on a flexible graphene electrode/thin glass substrate structure. Prior to the growth of CdTe films, chemical-vapor-deposited graphene was transferred onto a flexible glass substrate and subjected to electron-beam irradiation at an energy of 0.2 MeV in order to intentionally introduce the defects into it in a controlled manner. Micro-Raman spectroscopy and sheet resistance measurements were employed to monitor the damage and disorder in the electron-beam irradiated graphene layers. The morphology and optical properties of the CdTe thin films deposited on a graphene/flexible glass substrate were systematically characterized. The integration of the defective graphene layers with a flexible glass substrate can be a useful platform to grow various thin-film structures for flexible electronic and optoelectronic devices.

Original language	English
Article number	083902
Journal	Applied Physics Letters
Volume	105
Issue number	8
DOIs	https://doi.org/10.1063/1.4893744
Publication status	Published - 2014 Aug 25

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Flexible cadmium telluride thin films grown on electron-beam-irradiated graphene/thin glass substrates",

abstract = "We demonstrate the close-spaced sublimation growth of polycrystalline cadmium telluride (CdTe) thin films on a flexible graphene electrode/thin glass substrate structure. Prior to the growth of CdTe films, chemical-vapor-deposited graphene was transferred onto a flexible glass substrate and subjected to electron-beam irradiation at an energy of 0.2 MeV in order to intentionally introduce the defects into it in a controlled manner. Micro-Raman spectroscopy and sheet resistance measurements were employed to monitor the damage and disorder in the electron-beam irradiated graphene layers. The morphology and optical properties of the CdTe thin films deposited on a graphene/flexible glass substrate were systematically characterized. The integration of the defective graphene layers with a flexible glass substrate can be a useful platform to grow various thin-film structures for flexible electronic and optoelectronic devices.",

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AU - Seo, Won Oh

AU - Koo, Yong Hwan

AU - Kim, Byungnam

AU - Lee, Byung Cheol

AU - Kim, Donghwan

AU - Kim, Jihyun

PY - 2014/8/25

Y1 - 2014/8/25

N2 - We demonstrate the close-spaced sublimation growth of polycrystalline cadmium telluride (CdTe) thin films on a flexible graphene electrode/thin glass substrate structure. Prior to the growth of CdTe films, chemical-vapor-deposited graphene was transferred onto a flexible glass substrate and subjected to electron-beam irradiation at an energy of 0.2 MeV in order to intentionally introduce the defects into it in a controlled manner. Micro-Raman spectroscopy and sheet resistance measurements were employed to monitor the damage and disorder in the electron-beam irradiated graphene layers. The morphology and optical properties of the CdTe thin films deposited on a graphene/flexible glass substrate were systematically characterized. The integration of the defective graphene layers with a flexible glass substrate can be a useful platform to grow various thin-film structures for flexible electronic and optoelectronic devices.

AB - We demonstrate the close-spaced sublimation growth of polycrystalline cadmium telluride (CdTe) thin films on a flexible graphene electrode/thin glass substrate structure. Prior to the growth of CdTe films, chemical-vapor-deposited graphene was transferred onto a flexible glass substrate and subjected to electron-beam irradiation at an energy of 0.2 MeV in order to intentionally introduce the defects into it in a controlled manner. Micro-Raman spectroscopy and sheet resistance measurements were employed to monitor the damage and disorder in the electron-beam irradiated graphene layers. The morphology and optical properties of the CdTe thin films deposited on a graphene/flexible glass substrate were systematically characterized. The integration of the defective graphene layers with a flexible glass substrate can be a useful platform to grow various thin-film structures for flexible electronic and optoelectronic devices.

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Flexible cadmium telluride thin films grown on electron-beam-irradiated graphene/thin glass substrates

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