Strongly Anisotropic Thermal Conductivity of Free-Standing Reduced Graphene Oxide Films Annealed at High Temperature

2015 ◽  
Vol 25 (29) ◽  
pp. 4664-4672 ◽  
Author(s):  
Jackie D. Renteria ◽  
Sylvester Ramirez ◽  
Hoda Malekpour ◽  
Beatriz Alonso ◽  
Alba Centeno ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Graphene Oxide ◽  
High Temperature ◽  
Reduced Graphene Oxide ◽  
Oxide Films ◽  
Free Standing ◽  
Anisotropic Thermal Conductivity ◽  
Reduced Graphene

Bolometric response of free-standing reduced graphene oxide films

2015 ◽  
Vol 107 (24) ◽  
pp. 243103 ◽  
Author(s):  
William Dickerson ◽  
Nicholas Hemsworth ◽  
Peter Gaskell ◽  
Elizabeth Ledwosinska ◽  
Thomas Szkopek
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Oxide Films ◽  
Free Standing ◽  
Reduced Graphene ◽  
Bolometric Response

scholarly journals A novel fabrication method of copper–reduced graphene oxide composites with highly aligned reduced graphene oxide and highly anisotropic thermal conductivity

RSC Advances ◽  
2019 ◽  
Vol 9 (31) ◽  
pp. 17967-17974 ◽  
Author(s):  
Faisal Nazeer ◽  
Zhuang Ma ◽  
Yitong Xie ◽  
Lihong Gao ◽  
Abdul Malik ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Fabrication Method ◽  
Anisotropic Thermal Conductivity ◽  
Reduced Graphene ◽  
Oxide Composites

Highly aligned rGO with anisotropic thermal conductivity was obtained in this work.

The Influence of Dispersion State of Graphene Sheets on the Microstructure and Thermal Conductivity of Free-Standing Reduced Graphene Oxide Films

NANO ◽  
2019 ◽  
Vol 14 (03) ◽  
pp. 1950038 ◽  
Author(s):  
Xiaorui Wang ◽  
Shuangling Jin ◽  
Rui Zhang ◽  
Yan Liu ◽  
Jiangcan Wang ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Hydrothermal Process ◽  
Weight Ratio ◽  
Atomic Ratio ◽  
Ammonia Solution ◽  
Free Standing ◽  
Reduced Graphene ◽  
Dispersion State

Reduced graphene oxide (rGO) aqueous dispersions were synthesized from GO suspensions with hydrazine as reducing agent via a microwave-hydrothermal process in ammonia solution. The rGO films were fabricated by vacuum filtration of above dispersions. When the weight ratio of hydrazine to GO (R[Formula: see text]) increases from 0.125 to 9, the dispersion stability of rGO nanosheets in hydrazine/ammonia solution degrades gradually, the surfaces of resultant films become rough from smooth and large interspaces turn up in the transverse section. With the increasing of R[Formula: see text], the C/O atomic ratio and orientation degree of (002) plane of rGO films increase, and the in-plane thermal conductivity also increases, achieving a maximum value of 1056[Formula: see text]W/m K when R[Formula: see text] is 3.375, then decreases because large interspaces in the rGO film with higher reduction degree greatly limit the thermal transport due to the severe phonon scatterings at the sheets boundaries.

Sign in / Sign up

Export Citation Format

Share Document