Porous Nanomaterials for Ultrabroadband Omnidirectional Anti‐Reflection Surfaces with Applications in High Concentration Photovoltaics
Source abstract
Abstract
Materials for nanoporous coatings that exploit optimized chemistries and self‐assembly processes offer capabilities to reach ≈98% transmission efficiency and negligible scattering losses over the broad wavelength range of the solar spectrum from 350 nm to 1.5 µm, on both flat and curved glass substrates. These nanomaterial anti‐reflection coatings also offer wide acceptance angles, up to ±40°, for both s‐ and p‐polarization states of incident light. Carefully controlled bilayer films have allowed for the fabrication of dual‐sided, gradient index profiles on plano‐convex lens elements. In concentration photovoltaics platforms, the resultant enhancements in the photovoltaics efficiencies are ≈8%, as defined by experimental measurements on systems that use microscale triple‐junction solar cells. These materials and their applications in technologies that require control over interface reflections have the potential for broad utility in imaging systems, photolithography, light‐emitting diodes, and display technologies.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Optical Coatings and Gratings · Thin-Film Transistor Technologies · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemistry University of Illinois at Urbana‐Champaign Urbana IL 61801 USA
Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA
Department of Electronic Engineering Tsinghua University Beijing 100084 China
Division of Engineering and Applied Sciences California Institute of Technology Pasadena CA 91125 USA
J. A. Woollam Co., Inc Lincoln NE 68508 USA
Integrated Nanotechnology Lab CEMSE Division King Abdullah University of Science and Technology (KAUST) Thuwal 23955 Saudi Arabia
The Joint Center for Artificial Photosynthesis California Institute of Technology Pasadena CA 91125 USA
Kavli Nanoscience Institute California Institute of Technology Pasadena CA 91125 USA
Division of Chemistry and Chemical Engineering Beckman Institute California Institute of Technology Pasadena CA 91125 USA
Funding
U.S. Department of Energy
References (67)
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