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Enhanced thermoelectric properties of copper phthalocyanine/single-walled carbon nanotubes hybrids
Chen, YL; Qu, SY; Shi, W; Yao, Q; Chen, LD
2020-04-15
Source PublicationCARBON
ISSN0008-6223
Pages471
SubtypeArticle
AbstractCopper phthalocyanine (CuPc)/single-walled carbon nanotube (SWCNT) hybrids were prepared by high energy ball milling combined with cold pressing method. The electrical conductivity of the hybrids increased with the increasing SWCNT content, whereas the Seebeck coefficient decreased. Moreover, the electrical conductivity of CuPc/SWCNT hybrids were much higher than the values calculated based on the general parallel and series connected two-component mixture model. SEM, TEM, XPS, Raman and XRD analyses indicated that there existed a large number of CuPc-SWCNT nano-interfaces in the hybrids. The strong donor-acceptor and pi-pi conjugation interactions between CuPc molecules and SWCNTs can induce CuPc to highly ordered face-on packing on the surface of SWCNTs, which contributed to the efficient interface charge transport between CuPc and the surface of SWCNTs, and therefore both the carrier concentration and carrier mobility of CuPc/SWCNT hybrids were significantly increased. Finally, the maximum thermoelectric (TE) power factor at room temperature reached 70.1 mu W m(-1) K-2. The optimal TE property of the CuPc/SWCNT hybrids is remarkably higher than those of either individual component of the hybrid, and is among the highest values of metal-organic small molecules based TE materials. This study may provide a new route to enhance the TE properties of metal-organic small molecules materials. (C) 2019 Elsevier Ltd. All rights reserved.
DOI10.1016/j.carbon.2019.12.066
WOS KeywordCENTRAL METAL ; THIN-FILMS ; TRANSPORT ; POWER ; COMPOSITES
Language英语
WOS Research AreaChemistry ; Materials Science
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28139
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, YL,Qu, SY,Shi, W,et al. Enhanced thermoelectric properties of copper phthalocyanine/single-walled carbon nanotubes hybrids[J]. CARBON,2020:471.
APA Chen, YL,Qu, SY,Shi, W,Yao, Q,&Chen, LD.(2020).Enhanced thermoelectric properties of copper phthalocyanine/single-walled carbon nanotubes hybrids.CARBON,471.
MLA Chen, YL,et al."Enhanced thermoelectric properties of copper phthalocyanine/single-walled carbon nanotubes hybrids".CARBON (2020):471.
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