Recent Progress in Colloidal Quantum Dot Thermoelectrics

Mohamad Nugraha, Indriyati Indriyati, Indah Primadona, Murali Gedda, Gerald Ensang Timuda, Ferry Iskandar, Thomas D. Anthopoulos

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Semiconducting colloidal quantum dots (CQDs) represent an emerging class of thermoelectric materials for use in a wide range of future applications. CQDs combine solution processability at low temperatures with the potential for upscalable manufacturing via printing techniques. Moreover, due to their low dimensionality, CQDs exhibit quantum confinement and a high density of grain boundaries, which can be independently exploited to tune the Seebeck coefficient and thermal conductivity, respectively. This unique combination of attractive attributes makes CQDs very promising for application in emerging thermoelectric generator (TEG) technologies operating near room temperature. Herein, we review recent progress in CQDs for application in emerging thin-film thermoelectrics. We start by outlining the fundamental concepts of thermoelectricity in nanostructured materials, followed by an overview of the popular synthetic methods used to produce CQDs with controllable size and shape. Recent strides in CQD-based thermoelectrics are then discussed with particular emphasis on their application in thin-film TEGs. Finally, we highlight the current challenges and future perspectives in enhancing the performance of CQD-based thermoelectric materials for use in emerging applications.
Original languageEnglish (US)
Pages (from-to)2210683
JournalAdvanced Materials
DOIs
StatePublished - Mar 1 2023

Bibliographical note

KAUST Repository Item: Exported on 2023-03-07
Acknowledged KAUST grant number(s): OSR-2018-CARF/CCF-3079, OSR-2019-CRG8-4095
Acknowledgements: This publication is based upon work supported by the King Abdullah University of Science and Technology (KAUST) Office of Sponsored Research (OSR) under Award No: OSR-2018-CARF/CCF-3079 and OSR-2019-CRG8-4095. I. I, I. P, and F. I acknowledge research and innovation for advanced Indonesia (RIIM) 2022 by BRIN-LPDP for the funding.

ASJC Scopus subject areas

  • Mechanics of Materials
  • General Materials Science
  • Mechanical Engineering

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