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Enhanced Charge Transport in ZnO Nanocomposite Through Interface Control Using Multiwall Carbon Nanotubes

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Title
Enhanced Charge Transport in ZnO Nanocomposite Through Interface Control Using Multiwall Carbon Nanotubes
Author(s)
Woo Hyun Nam; Bo Bae Kim; Young Soo Lim; Won-Seon Seo; Hyung-Ho Park; Jeong Yong Lee
Publication Date
2016-06
Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, v.99, no.6, pp.2077 - 2082
Publisher
WILEY-BLACKWELL
Abstract
Hybrid strategy of ZnO with carbon nanotube (CNT) has been attempted, and synergistic effects have been demonstrated in ZnO-CNT hybrid nanostructures owing to the advantageous effects of interface modification on the charge transport process. Here, we report the effects of interface control using multiwall CNTs (MWCNTs) on the charge transport properties in Al-doped ZnO (AZO) nanocomposite. Although the AZOMWCNT nanocomposite is composed of numerous nanograins, it shows single crystalline charge transport behavior due to significantly weakened grain-boundary scattering at room temperature. The dominant charge transport mechanism is converted from lattice vibration scattering to grain-boundary scattering at 873 K due to the variation in the charge distribution at the grain boundary. The results demonstrate that interface control using carbon nanomaterials has a significant effect on the charge transport behavior in AZO nanocomposite. © 2016 The American Ceramic Society
URI
https://pr.ibs.re.kr/handle/8788114/3171
ISSN
0002-7820
Appears in Collections:
Center for Nanomaterials and Chemical Reactions(나노물질 및 화학반응 연구단) > Journal Papers (저널논문)
Files in This Item:
J. Am. Ceram. Soc., 99 [6] 2077–2082 (2016).pdfDownload

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