Patterning of graphite nanocones for broadband solar spectrum absorption
Source abstract
Abstract
We experimentally demonstrate a broadband vis-NIR absorber consisting of 300-400 nm nanocone structures on highly oriented pyrolytic graphite. The nanocone structures are fabricated through simple nanoparticle lithography process and analyzed with three-dimensional finite-difference time-domain methods. The measured absorption reaches an average level of above 95% over almost the entire solar spectrum and agrees well with the simulation. Our simple process offers a promising material for solar-thermal devices.
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Research context
OpenAlex topics: Thermal Radiation and Cooling Technologies · Solar Thermal and Photovoltaic Systems · Thermal properties of materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Zhejiang University 1 Centre for Optical and Electromagnetic Research, Zhejiang Provincial Key Laboratory for Sensing Technologies, , Hangzhou 310058, People’s Republic of China
Royal Institute of Technology 2 Department of Electromagnetic Engineering, , S-100 44 Stockholm, Sweden
Funding
National High Technology Research and Development Program (863 Program) of China · National Natural Science Foundation of China
References (20)
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