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Optical properties of carbon fiber/SnO2 core-shell structure prepared by surface modification and precipitation process in aqueous solution

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Abstract.
A core-shell structure material, carbon fiber/SnO2 was prepared by a surface modification precipitation
process in aqueous solution. Results indicated that coating was obtained with 250 nm-thick SnO2 shell
on the surface of carbon fiber from 0.05 M SnCl2. Optical properties of the composites were also
investigated by photoluminescence (PL) spectroscopy. It was found that there is a broad yellowemission
band centered at 583 nm in the wavelength ranging from 450 to 700 nm. Moreover, combining with the
PL spectrum annealed in air, the broad yellow emission bandmay be attributed to the oxygen vacancies,
which is supported by results from Raman study.

Keywords: Tin oxide, Raman spectroscopy, Optical properties

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Informasi Detail

Judul Seri

Applied Surface Science

No. Panggil

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Penerbit

London : Elsevier B.V.., 2009

Deskripsi Fisik

Applied Surface Science 255 (2009) 6464–6467

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

KIMIA

Info Detail Spesifik

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Pernyataan Tanggungjawab

agus

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