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Advanced Electronic Materials
Other literature type . Article . 2020 . 2019
License: CC BY
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Advanced Electronic Materials
Article
License: CC BY
Data sources: UnpayWall
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Apollo
Other literature type . 2020
Data sources: Apollo
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Apollo
Article . 2019
Data sources: Datacite
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Compositionally Graded Organic–Inorganic Nanocomposites for Enhanced Thermoelectric Performance

Authors: Ou, Canlin; Zhang, Lu; Jing, Qingshen; Narayan, Vijay; Kar‐Narayan, Sohini;

Compositionally Graded Organic–Inorganic Nanocomposites for Enhanced Thermoelectric Performance

Abstract

AbstractThermoelectric generators (TEGs) operate in the presence of a temperature gradient, where the constituent thermoelectric (TE) material converts heat into electricity via the Seebeck effect. However, TE materials are characterized by a thermoelectric figure of merit (ZT) and/or power factor (PF), which often has a strong dependence on temperature. Thus, a single TE material spanning a given temperature range is unlikely to have an optimal ZT or PF across the entire range, leading to inefficient TEG performance. Compositionally graded organic–inorganic nanocomposites are demonstrated, where the composition of the TE nanocomposite can be systematically tuned along the length of the TEG, in order to optimize the PF along the applied temperature gradient. The nanocomposite composition is dynamically tuned by an aerosol‐jet printing method with controlled in situ mixing capability, thus enabling the realization of such compositionally graded thermoelectric composites (CG‐TECs). It is shown how CG‐TECs can be realized by varying the loading weight percentage of Bi2Te3 nanoparticles or Sb2Te3 nanoflakes within an organic conducting matrix using bespoke solution‐processable inks. The enhanced energy harvesting capability of these CG‐TECs from low‐grade waste heat (<100 °C) is demonstrated, highlighting the improvement in output power over single‐component TEGs.

Country
United Kingdom
Subjects by Vocabulary

Microsoft Academic Graph classification: Chemical substance Materials science Nanocomposite Thermal energy harvesting Thermoelectric materials Aerosol jet printing Chemical engineering Organic inorganic Thermoelectric effect Science, technology and society

Keywords

aerosol-jet printing, Electronic, Optical and Magnetic Materials, thermal energy harvesting, nanocomposites, thermoelectrics

  • BIP!
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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    15
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    15
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
    Powered byBIP!BIP!
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
15
Top 10%
Average
Top 10%
Funded by
EC| NANOGEN
Project
NANOGEN
Polymer-based piezoelectric nanogenerators for energy harvesting
  • Funder: European Commission (EC)
  • Project Code: 639526
  • Funding stream: H2020 | ERC | ERC-STG
Validated by funder
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