Journal
NANO ENERGY
Volume 51, Issue -, Pages 754-763Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2018.07.034
Keywords
Janus nanoparticle; Photonic nanofluid; Magnetism; Plasmonic; Full-spectrum absorption; Photo-thermal conversion
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Funding
- National Natural Science Foundation of China [51590901]
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The concept of Janus nanoparticle stimulates plenty of efforts to taking advantage of optical characteristics of different materials. In this paper, we design and prepare the photonic nanofluids composed of Janus type of magnetic-plasmonic Fe3O4/TiN nanoparticles. Instead of the limited absorption property of single material, by making use of both the localized surface plasmon resonance of TiN in visible wavelength and the high absorption of Fe3O4 in near-infrared wavelength, the prepared nanofluid can realize the full-spectrum absorption of incident solar energy. In addition, since Fe3O4 has magnetism and the distribution of magnetic nanomaterials in fluid can be controlled with an external magnetic field, the as-prepared nanofluids have tunable optical and thermal properties. This work provides a new strategy to utilize the full-spectrum solar energy and control the photothermal performance of nanofluids.
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