• English
    • العربية
  • العربية
  • Login
  • QU
  • QU Library
  •  Home
  • Communities & Collections
  • Copyrights
View Item 
  •   Qatar University Digital Hub
  • Qatar University Institutional Repository
  • Academic
  • Faculty Contributions
  • College of Engineering
  • Mechanical & Industrial Engineering
  • View Item
  • Qatar University Digital Hub
  • Qatar University Institutional Repository
  • Academic
  • Faculty Contributions
  • College of Engineering
  • Mechanical & Industrial Engineering
  • View Item
  •      
  •  
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Scalable fabrication of flexible thermoelectric generator with non-toxic Ga:ZnO and PEDOT:PSS thermoelements for wearable energy harvesting

    View/Open
    Publisher version (You have accessOpen AccessIcon)
    Publisher version (Check access options)
    Check access options
    1-s2.0-S2352492824032070-main.pdf (6.767Mb)
    Date
    2025
    Author
    Lemine, Aicha S.
    Bhadra, Jolly
    Maurya, Muni Raj
    Sadasivuni, Kishor Kumar
    Ahmad, Zubair
    Al-Thani, Noora J.
    Hasan, Anwarul
    ...show more authors ...show less authors
    Metadata
    Show full item record
    Abstract
    This study presents a lightweight, flexible thermoelectric generator (TEG) designed for sustainable energy harvesting in wearable electronics. The TEG integrates p-type PEDOT:PSS and n-type Ga:ZnO thermoelements, utilizing scalable drop-casting and 3D-printing techniques to address key concerns of sustainability, scalability, and safety. Unlike conventional TEGs that rely on toxic or rare-earth materials, this device employs predominantly earth-abundant, non-toxic components, offering a more cost-effective and environmentally friendly alternative. Structural analysis using FE-SEM and EDX revealed a relatively dense microstructure with uniform elemental distribution in the free-standing thermoelements, contributing to the device’s mechanical flexibility and performance stability. The TEG, consisting of five thermoelement pairs, achieved a peak open-circuit voltage of 0.111 mV and a power output of 0.123 nW at a temperature difference (ΔT) of 10 K, demonstrating performance competitive with TEGs fabricated using more complex and expensive methods. When tested on a human wrist, the TEG generated 0.230 nW at a ΔT of 17 K, outperforming other wearable TEGs, with power increases observed during body movement. Additionally, the device maintained stable resistance at a 90° bending angle, enhancing its ability to conform to the body’s shape for improved energy harvesting and efficiency. While the power output can be further improved, this TEG represents a notable advancement in flexibility, scalability, and the use of eco-friendly, cost-effective materials and fabrication methods. Addressing these critical challenges in wearable thermoelectrics paves the way for future self-powered health monitoring, fitness tracking, and environmental sensing applications.
    DOI/handle
    http://dx.doi.org/10.1016/j.mtcomm.2024.111225
    http://hdl.handle.net/10576/63021
    Collections
    • Biomedical Research Center Research [‎832‎ items ]
    • Center for Advanced Materials Research [‎1633‎ items ]
    • Mechanical & Industrial Engineering [‎1507‎ items ]
    • Research of Qatar University Young Scientists Center [‎216‎ items ]

    entitlement


    Qatar University Digital Hub is a digital collection operated and maintained by the Qatar University Library and supported by the ITS department

    Contact Us
    Contact Us | QU

     

     

    Home

    Submit your QU affiliated work

    Browse

    All of Digital Hub
      Communities & Collections Publication Date Author Title Subject Type Language Publisher
    This Collection
      Publication Date Author Title Subject Type Language Publisher

    My Account

    Login

    Statistics

    View Usage Statistics

    Qatar University Digital Hub is a digital collection operated and maintained by the Qatar University Library and supported by the ITS department

    Contact Us
    Contact Us | QU

     

     

    Video