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Graphene oxide (GO) dispersed nanofluids were first explored to be used as working fluids for direct absorption solar collectors. The stability, optical absorption property, thermal-physical property and photo-thermal conversion performance of the GO/water nanofluids with different mass fractions of GO were symmetrically investigated. The sedimentation experiment and Zeta potential (ζ) analysis showed...
Reduced-graphene oxide (RGO) dispersed nanofluids were prepared by irradiating a graphene oxide (GO)/water one under UV light for different times. X-ray photoelectron spectroscopy (XPS) analyses verified the reduction from GO to RGO under the UV irradiation and indicated that the reduction degree increased with the time. Zeta potential measurements suggested that the RGO/water nanofluids obtained...
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