TY - JOUR
T1 - The dispersion of Au nanorods decorated on graphene oxide nanosheets for solar steam generation
AU - Zhou, Jianhua
AU - Gu, Yufei
AU - Deng, Ziyang
AU - Miao, Lei
AU - Su, Hui
AU - Wang, Pengfei
AU - Shi, Jiaqi
N1 - Funding Information:
This work was supported by National Natural Science Foundation of China (Grant No. 51572019 , 51602068 ) and Guangxi Natural Science Foundation of China (Grant No. 2015GXNSFFA139002 ).
Funding Information:
This work was supported by National Natural Science Foundation of China (Grant No. 51572019, 51602068) and Guangxi Natural Science Foundation of China (Grant No. 2015GXNSFFA139002).
Publisher Copyright:
© 2018
PY - 2019/4
Y1 - 2019/4
N2 - Plasmonic metal/graphene oxide hybrid structures driven by either solar light or laser exhibit strong absorption and multiple functions to realize photothermal therapy, surface enhancement Raman scattering, and solar steam generation. We decorated graphene oxide (GO) by gold nanorods, forming a plasmonic nanofluid with strong optical absorption and enhanced solar steam generation performance. GO nanosheets were modified by using glucose as an environment-friendly ligand and stabilizer in the Au-GO dispersion. The Au-GO dispersions showed an increased absorption in a broad band reaching near infrared region. Owing to the coupling effects between Au NRs and GO NSs, and 2D platform for localized heating, water evaporation can be accelerated by Au-GO dispersions. The solar steam generation efficiency reached 84.1% under 1 kW m−2 illumination, about 20% enhancement compared with GO dispersion alone. This work shows the feasibility of the approach with functionalized nanofluids for efficient solar energy harvesting and utilization.
AB - Plasmonic metal/graphene oxide hybrid structures driven by either solar light or laser exhibit strong absorption and multiple functions to realize photothermal therapy, surface enhancement Raman scattering, and solar steam generation. We decorated graphene oxide (GO) by gold nanorods, forming a plasmonic nanofluid with strong optical absorption and enhanced solar steam generation performance. GO nanosheets were modified by using glucose as an environment-friendly ligand and stabilizer in the Au-GO dispersion. The Au-GO dispersions showed an increased absorption in a broad band reaching near infrared region. Owing to the coupling effects between Au NRs and GO NSs, and 2D platform for localized heating, water evaporation can be accelerated by Au-GO dispersions. The solar steam generation efficiency reached 84.1% under 1 kW m−2 illumination, about 20% enhancement compared with GO dispersion alone. This work shows the feasibility of the approach with functionalized nanofluids for efficient solar energy harvesting and utilization.
KW - Au nanorods
KW - Glucose modification
KW - Graphene oxide
KW - Photothermal conversion
KW - Solar steam generation
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U2 - 10.1016/j.susmat.2018.e00090
DO - 10.1016/j.susmat.2018.e00090
M3 - Article
AN - SCOPUS:85058963172
SN - 2214-9937
VL - 19
JO - Sustainable Materials and Technologies
JF - Sustainable Materials and Technologies
M1 - e00090
ER -