Ultrahigh thermoelectric performance in Cu2Se-based hybrid materials with highly dispersed molecular CNTs

Raghavendra Nunna, Pengfei Qiu, Meijie Yin, Hongyi Chen, Riley Hanus, Qingfeng Song, Tiansong Zhang, Mei Yin Chou, Matthias T. Agne, Jiaqing He, G. Jeffrey Snyder*, Xun Shi, Lidong Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

320 Scopus citations

Abstract

Here, by utilizing the special interaction between metal Cu and multi-walled carbon nanotubes (CNTs), we have successfully realized the in situ growth of Cu2Se on the surface of CNTs and then fabricated a series of Cu2Se/CNT hybrid materials. Due to the high degree of homogeneously dispersed molecular CNTs inside the Cu2Se matrix, a record-high thermoelectric figure of merit zT of 2.4 at 1000 K has been achieved.

Original languageEnglish (US)
Pages (from-to)1928-1935
Number of pages8
JournalEnergy and Environmental Science
Volume10
Issue number9
DOIs
StatePublished - Sep 2017

Funding

This work was supported by the National Basic Research Program of China (973-program) under Project No. 2013CB632501, the National Natural Science Foundation of China (NSFC) under the No. 51625205, and the Key Research Program of Chinese Academy of Sciences (Grant No. KGZD-EW-T06). X. S. is thankful for the support by the Shanghai Government (Grant No. 15JC1400301) and the International S&T Cooperation Program of China (2015DFA51050). P. Q. is thankful for the support by the Youth Innovation Promotion Association of CAS under Grant No. 2016232. M. Y. and J. H. are thankful for the support by the Technology and Innovation Commission of Shenzhen Municipality under Grant No. KQTD2016022619565991 and KQCX2015033110182370. The contributions of R. H., M. T. A., and G. J. S. are supported as part of the Solid-State Solar-Thermal Energy Conversion Center (S3TEC), an Energy Frontier Research Center funded by the U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES), under Award # DE-SC0001299/DE-FG02-09ER46577.

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

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