Properties of Undoped Few-Layer Graphene-Based Transparent Heaters
Artikel i vetenskaplig tidskrift, 2019

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.

resistance

graphene

chemical vapor deposition (CVD)

heating/cooling rates

transfer

heater

Författare

Yong Zhang

Chalmers, Mikroteknologi och nanovetenskap (MC2), Elektronikmaterial och system

Kjell Jeppson

Chalmers, Data- och informationsteknik, Datorteknik, Electronics Systems

Yan Zhang

Johan Liu

Chalmers, Mikroteknologi och nanovetenskap (MC2), Elektronikmaterial och system

et. al.

Materials

1996-1944 (ISSN)

Vol. 13 1 104-

Kolbaserat höghastighet 3D GaN elektroniksystem

Stiftelsen för Strategisk forskning (SSF), 2014-03-01 -- 2019-06-30.

Nanoteknikstödd tillverkning av högpresterande sinterstål

Stiftelsen för Strategisk forskning (SSF), 2016-01-01 -- 2020-12-31.

Styrkeområden

Produktion

Ämneskategorier

Bearbetnings-, yt- och fogningsteknik

Metallurgi och metalliska material

Den kondenserade materiens fysik

DOI

10.3390/ma13010104

Mer information

Skapat

2019-12-25