TY - JOUR
T1 - A versatile, heat-resisting, electrocatalytic active graphene framework by in-situ formation of boron nitride quantum dots
AU - Wu, Wenpeng
AU - He, Zipan
AU - Xiao, Yukun
AU - Zhang, Xinqun
AU - Chen, Kaiyue
AU - Fan, Jinchen
AU - Li, Xin
AU - Zhao, Yang
AU - Qu, Liangti
N1 - Publisher Copyright:
© 2022 Elsevier Ltd
PY - 2022/6/15
Y1 - 2022/6/15
N2 - Three-dimensional (3D) graphene framework with integration of multiple functions is attractive to the broad sustainable applications, such as flame-retardant, heat-insulating, and catalysis. Herein, an efficient multifunctional graphene-based framework coupled with the in-situ formed boron nitride quantum dots is developed for the first time. By combination of boron nitride quantum dots to the graphene basal plane, this rational-formed hybrid framework exhibits a highly efficient flame-retardant and heat insulation ability in a wide temperature range from 50 °C to 500 °C. A high insulation efficiency could reach up to 66%. More importantly, it also displays an efficient electrocatalytic capability for oxygen reduction reaction (ORR), including a positive onset potential of 0.96 V (vs. RHE), small Tafel slope of 69.4 mV dec−1, and half-wave potential of 0.8 V (vs. RHE), superior to those boron nitride/graphene BN composites and even comparable to the nitrogen, boron co-doped graphene-based electrocatalysts reported previously. This work provides an advanced example towards designing multifunctional graphene-based materials for different applications.
AB - Three-dimensional (3D) graphene framework with integration of multiple functions is attractive to the broad sustainable applications, such as flame-retardant, heat-insulating, and catalysis. Herein, an efficient multifunctional graphene-based framework coupled with the in-situ formed boron nitride quantum dots is developed for the first time. By combination of boron nitride quantum dots to the graphene basal plane, this rational-formed hybrid framework exhibits a highly efficient flame-retardant and heat insulation ability in a wide temperature range from 50 °C to 500 °C. A high insulation efficiency could reach up to 66%. More importantly, it also displays an efficient electrocatalytic capability for oxygen reduction reaction (ORR), including a positive onset potential of 0.96 V (vs. RHE), small Tafel slope of 69.4 mV dec−1, and half-wave potential of 0.8 V (vs. RHE), superior to those boron nitride/graphene BN composites and even comparable to the nitrogen, boron co-doped graphene-based electrocatalysts reported previously. This work provides an advanced example towards designing multifunctional graphene-based materials for different applications.
KW - 3D graphene
KW - Boron nitride quantum dots
KW - Flame retardant
KW - Heat insulation
KW - ORR
UR - http://www.scopus.com/inward/record.url?scp=85125636112&partnerID=8YFLogxK
U2 - 10.1016/j.carbon.2022.02.055
DO - 10.1016/j.carbon.2022.02.055
M3 - Article
AN - SCOPUS:85125636112
SN - 0008-6223
VL - 192
SP - 123
EP - 132
JO - Carbon
JF - Carbon
ER -