Properties of Undoped Few-Layer Graphene-Based Transparent Heaters
Journal article, 2020

In many applications like sensors, displays, and defoggers, there is a need for transparent and efficient heater elements produced at low cost. For this reason, we evaluated the performance of graphene-based heaters with from one to five layers of graphene on flexible and transparent polyethylene terephthalate (PET) substrates in terms of their electrothermal properties like heating/cooling rates and steady-state temperatures as a function of the input power density. We found that the heating/cooling rates followed an exponential time dependence with a time constant of just below 6 s for monolayer heaters. From the relationship between the steady-state temperatures and the input power density, a convective heat-transfer coefficient of 60 W·m−2·°C−1 was found, indicating a performance much better than that of many other types of heaters like metal thin-film-based heaters and carbon nanotube-based heaters.

heater

resistance

heating/cooling rates

transfer

graphene

chemical vapor deposition (CVD)

Author

Yong Zhang

Chalmers, Microtechnology and Nanoscience (MC2), Electronics Material and Systems Laboratory

Shanghai University

H. Liu

Shanghai University

L. Tan

Shanghai University

Yan Zhang

Shanghai University

Kjell Jeppson

Chalmers, Computer Science and Engineering (Chalmers), Computer Engineering (Chalmers), Electronics Systems

B. Wei

Shanghai University

Johan Liu

Shanghai University

Chalmers, Microtechnology and Nanoscience (MC2), Electronics Material and Systems Laboratory

Materials

1996-1944 (ISSN)

Vol. 13 1 104

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Areas of Advance

Production

Subject Categories

Manufacturing, Surface and Joining Technology

Metallurgy and Metallic Materials

Condensed Matter Physics

DOI

10.3390/ma13010104

PubMed

31878269

More information

Latest update

6/2/2020 1