Low-Cost and Biodegradable Thermoelectric Devices Based on van der Waals Semiconductors on Paper Substrates
Gulsum Ersu , Carmen Munuera , Federico J. Mompean , Daniel Vaquero , Jorge Quereda , João Elias F. S. Rodrigues , Jose A. Alonso , Eduardo Flores , Jose R. Ares , Isabel J. Ferrer , Abdullah M. Al-Enizi , Ayman Nafady , Sruthi Kuriakose , Joshua O. Island , Andres Castellanos-Gomez
Energy & Environmental Materials ›› 2024, Vol. 7 ›› Issue (1) : 12488
Low-Cost and Biodegradable Thermoelectric Devices Based on van der Waals Semiconductors on Paper Substrates
We present a method to fabricate handcrafted thermoelectric devices on standard office paper substrates. The devices are based on thin films of WS2, Te, and BP (P-type semiconductors) and TiS3 and TiS2 (N-type semiconductors), deposited by simply rubbing powder of these materials against paper. The thermoelectric properties of these semiconducting films revealed maximum Seebeck coefficients of (+1.32 ± 0.27) mV K-1 and (-0.82 ± 0.15) mV K-1 for WS2 and TiS3, respectively. Additionally, Peltier elements were fabricated by interconnecting the P- and N-type films with graphite electrodes. A thermopower value up to 6.11 mV K-1 was obtained when the Peltier element were constructed with three junctions. The findings of this work show proof-of-concept devices to illustrate the potential application of semiconducting van der Waals materials in future thermoelectric power generation as well as temperature sensing for low-cost disposable electronic devices.
paper-based electronics / Seebeck effect / semiconductors / thermoelectrics / van der Waals materials
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2022 The Authors. Energy & Environmental Materials published by John Wiley & Sons Australia, Ltd on behalf of Zhengzhou University.
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