Feasibility of Antireflection and Passivation Coatings by Atmospheric Pressure PECVD

Characterisation and optimisation of PECVD SiNx as an antireflection coating and passivation layer for silicon solar cells

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Passivation of Si Surfaces by PECVD Aluminum Oxide

Retrofittable T-ray antireflection coatings

Terahertz time-domain spectroscopy (THz-TDS) is able to extract optical or dielectric properties of materials, whether in the solid, liquid, or gas phase, in the T-ray frequency region. Spectroscopy of a liquid or gas often requires a receptacle to confine the sample. In order to allow T-rays to probe the sample effectively, the receptacle must have T-ray transparent windows. However, even thou...

A Numerical Investigation of Metamaterial Antireflection Coatings

Electromagnetic metamaterials have emerged as a new class of effective media where exotic properties are determined from structural geometry and dimensions of the basic building blocks, or meta-atoms. Through such a bottom-up approach, metamaterials have found applications in the construction of terahertz functional devices and components with unprecedented performance. In this paper, we numeri...

Broadband omnidirectional antireflection coatings optimized by genetic algorithm.

An optimized graded-refractive-index (GRIN) antireflection (AR) coating with broadband and omnidirectional characteristics--as desired for solar cell applications--designed by a genetic algorithm is presented. The optimized three-layer GRIN AR coating consists of a dense TiO2 and two nanoporous SiO2 layers fabricated using oblique-angle deposition. The normal incidence reflectance of the three-...