Access to this article is restricted until 12 months after publication by request of the publisher.. Restriction lift date: 2023-11-01
MXene nanosheet/organics superlattice for flexible thermoelectrics
dc.check.date | 2023-11-01 | |
dc.check.info | Access to this article is restricted until 12 months after publication by request of the publisher. | en |
dc.contributor.author | Wang, Zhiwen | |
dc.contributor.author | Chen, Mengran | |
dc.contributor.author | Cao, Zhining | |
dc.contributor.author | Liang, Jia | |
dc.contributor.author | Liu, Zhenguo | |
dc.contributor.author | Xuan, Yuxue | |
dc.contributor.author | Pan, Lin | |
dc.contributor.author | Razeeb, Kafil M. | |
dc.contributor.author | Wang, Yifeng | |
dc.contributor.author | Wan, Chunlei | |
dc.contributor.author | Zong, Peng-an | |
dc.contributor.funder | Science Foundation Ireland | en |
dc.contributor.funder | Horizon 2020 | en |
dc.contributor.funder | European Regional Development Fund | en |
dc.contributor.funder | Natural Science Foundation of Jiangsu Province | en |
dc.contributor.funder | National Natural Science Foundation of China | en |
dc.contributor.funder | State Key Laboratory of High Performance Ceramics and Superfine Microstructure | en |
dc.contributor.funder | Tsinghua University | en |
dc.contributor.funder | Priority Academic Program Development of Jiangsu Higher Education Institutions | en |
dc.date.accessioned | 2022-11-24T13:42:45Z | |
dc.date.available | 2022-11-24T13:42:45Z | |
dc.date.issued | 2022-11-01 | |
dc.date.updated | 2022-11-24T10:04:27Z | |
dc.description.abstract | Two-dimensional (2D) materials with outstanding electronic transport properties are rigid against bending because of strong in-plane covalent bonding and intrinsically flexible because of the lack of out-of-plane constraint and thus are considered to be promising for flexible thermoelectrics (TEs). As a typical 2D material, MXene, however, exhibited a restricted TE performance because the termination groups and guest molecules in MXene nanosheets introduced by acid etching and reassembly deteriorate intra/interflake conduction. This work realized increases in both the carrier concentration and intra/interflake mobility by the construction of a MXene nanosheet/organic superlattice (SL) and composition engineering, attributed to electron injection, intercoupling strengthening, and defect reduction at the nanosheet edges. An electrical conductivity increased by 5 times, to 2.7 × 105 S m–1, led to power factors of up to ∼33 μW m–1 K–2, which is above the state-of-the-art for similar materials, almost by a factor of 10. A TE module comprising four SL film legs could yield 58.6 nW power at a temperature gradient of 50 K. Additionally, both the annealed film and the corresponding module exhibited excellent reproducibility and stability. Our results provide a strategy to tailor the TE performance of 2D-material films through SL construction and composition engineering. | en |
dc.description.sponsorship | Natural Science Foundation of Jiangsu Province (Grant BK20211264; Natural Science Fund for Colleges and Universities in Jiangsu Province Grant 21KJB430023); National Natural Science Foundation of China (Grant 51702183); State Key Laboratory of High Performance Ceramics and Superfine Microstructure (Opening Project Grant SKL202004SIC); NSAF (No.U2230131); Tsinghua University (State Key Laboratory of New Ceramic and Fine Processing Opening Project Grant KF202207) | en |
dc.description.status | Peer reviewed | en |
dc.description.version | Accepted Version | en |
dc.format.mimetype | application/pdf | en |
dc.identifier.citation | Wang, Z., Chen, M., Cao, Z., Liang, J., Liu, Z., Xuan, Y., Pan, L., Razeeb, K. M., Wang, Y., Wan, C. and Zong, P. (2022) 'MXene nanosheet/organics superlattice for flexible thermoelectrics', ACS Applied Nano Materials. doi: 10.1021/acsanm.2c03813 | en |
dc.identifier.doi | 10.1021/acsanm.2c03813 | en |
dc.identifier.eissn | 2574-0970 | |
dc.identifier.journaltitle | ACS Applied Nano Materials | en |
dc.identifier.uri | https://hdl.handle.net/10468/13883 | |
dc.language.iso | en | en |
dc.publisher | ACS Publications | en |
dc.relation.project | info:eu-repo/grantAgreement/EC/H2020::RIA/825114/EU/Smart Autonomous Multi Modal Sensors for Vital Signs Monitoring/SmartVista | en |
dc.relation.project | info:eu-repo/grantAgreement/SFI/SFI Investigator Programme/15/IA/3160/IE/Thermoelectric efficiency of IV-VI and V2-VI3 materials driven near phase transitions/ | en |
dc.relation.project | info:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2276/IE/I-PIC Irish Photonic Integration Research Centre/ | en |
dc.relation.project | info:eu-repo/grantAgreement/SFI/SFI Research Centres/13/RC/2077/IE/CONNECT: The Centre for Future Networks & Communications/ | en |
dc.rights | © 2022, American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Nano Materials, after technical editing by the publisher. To access the final edited and published work see: https://doi.org/10.1021/acsanm.2c03813 | en |
dc.subject | Flexibility | en |
dc.subject | Intercalation | en |
dc.subject | MXene | en |
dc.subject | Nanosheet | en |
dc.subject | Superlattice | en |
dc.subject | Thermoelectric | en |
dc.title | MXene nanosheet/organics superlattice for flexible thermoelectrics | en |
dc.type | Article (peer-reviewed) | en |
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