Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/98089
Title: Flexible carbon nanotube papers with improved thermoelectric properties
Authors: Zhao, Weiyun
Fan, Shufen
Xiao, Ni
Liu, Dayong
Tay, Yee Yan
Yu, Cui
Sim, Daohao
Hng, Huey Hoon
Zhang, Qichun
Zhang, Hua
Boey, Freddy Yin Chiang
Yan, Qingyu
Ma, Jan
Zhao, Xinbing
Issue Date: 2012
Source: Zhao, W., Fan, S., Xiao, N., Liu, D., Tay, Y. Y., Yu, C., Sim, D., Hng, H. H., Zhang, Q., Boey, F., Ma, J., Zhao, X., Zhang, H.,& Yan, Q. (2012). Flexible carbon nanotube papers with improved thermoelectric properties. Energy & Environmental Science, 5(1), 5364-5369.
Series/Report no.: Energy & environmental science
Abstract: Although theoretical calculations indicate that the thermoelectric figure of merit, ZT, of carbon nanotubes (CNTs) could reach >2, the experimentally reported ZT values of CNTs are typically in the range of 10−3–10−2, which is not attractive for thermal energy conversion applications. In this work, we report the preparation of flexible CNT bulky paper for thermoelectric applications. The ZT values of the CNT bulky papers could be significantly enhanced by Ar plasma treatment, i.e. increasing it from 0.01 for pristine CNTs to 0.4 for Ar-plasma treated CNTs. The improved thermoelectric properties were mainly due to the greatly increased Seebeck coefficients and a reduction in the thermal conductivities, although the electrical conductivities also decreased. Such an improvement makes the plasma treated CNT bulky papers promising as a new type of thermoelectric material for certain niche applications as they are easily processed, mechanically flexible and durable, and chemically stable.
URI: https://hdl.handle.net/10356/98089
http://hdl.handle.net/10220/13285
DOI: 10.1039/c1ee01931g
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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