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Design and development of silver nanoparticles to reduce the reflection loss of solar cells

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Authors
Moushumy, N.
Das, Narottam
Alameh, K.
Lee, Y.
Date
2011
Type
Conference Paper

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Moushumy, N. and Das, N. and Alameh, K. and Lee, Y. 2011. Design and development of silver nanoparticles to reduce the reflection loss of solar cells, in na (ed), 2011 High-Capacity Optical Networks and Emerging Technologies (HONET 2011), Dec 19 2011, pp. 38-41. Riyadh, Saudi Arabia: na.
Source Title
8th International Conference on High-Capacity Optical Networks and Emerging Technologies, HONET 2011
Source Conference
2011 High-Capacity Optical Networks and Emerging Technologies (HONET 2011)
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Abstract

In this paper, we investigate the design and fabrication of silver nano-particles using thin film deposition in conjunction with thermal annealing. We also predict the performance of conical shaped subwavelength grating structure developed using dry and isotropic etching of semiconductor substrates. Several silver (Ag) thin films of different thicknesses are deposited on semiconductor substrates and annealed at different temperatures. Adequate nanoparticle distribution of 200 nm average diameter is successfully fabricated on Si and GaAs substrates using 10nm thick Ag thin films annealed at 523 K. Moreover, the Finite-Difference Time Domain (FDTD) method is used to optimize the grating height and period size of the SWG structure for minimizing the reflection of semiconductor devices over the solar spectrum. © 2011 IEEE.