The RSS feed for www.montereyjack.net. Enjoy! https://www.montereyjack.net/ I. Zeimpekis, T. Rahman, O. Leung, J. J. Tyson, M. Ebert, S. A. Boden, C. Ponce De Leon, and K. A. Morgan - Two-dimensional (2D) transition-metal dichalcogenides have shown great potential for energy storage applications owing to their interlayer spacing, large surface area-to-volume ratio, superior electrical properties, and chemical compatibility. Further, increasing the surface area of such materials can lead to enhanced electrical, chemical, and optical response for energy storage and generation applications.... Thu, 07 Mar 2024 00:00:00 +0000 https://www.montereyjack.net/2024-03-07-acs-paper/ https://www.montereyjack.net/2024-03-07-acs-paper/ J. J. Tyson - Black silicon nanotextures offer exceptionally low levels of reflectance and are of interest to the field of solar photovoltaics. The nanowires that form this texture create a graded refractive index, allowing light to be absorbed with high efficiency. Explored here is the application of these nanotextures on top of conventional... Fri, 03 Nov 2023 00:00:00 +0000 https://www.montereyjack.net/2023-11-03-thesis/ https://www.montereyjack.net/2023-11-03-thesis/ J. J. Tyson, T. E. Scheul, T. Rahman, and S. A. Boden - Black silicon nanotextures offer significant optical performance improvements when applied to crystalline silicon solar cells. Coupled with conventional pyramidal textures, to create so–called hybrid black silicon, these benefits are shown to be further enhanced. Presented here is a comprehensive analysis of different variations of this texture, coupled with typical anti–reflectance... Thu, 03 Aug 2023 00:00:00 +0100 https://www.montereyjack.net/2023-08-03-osa-paper/ https://www.montereyjack.net/2023-08-03-osa-paper/ J. J. Tyson, T. Rahman, and S. A. Boden - We showcase the optical performance of our hybrid black silicon (hb-Si) nanotextures, as measured with our bespoke angle-resolved spectrophotometer (ARS) and delve into a real-world analysis of its day-to-day performance. Using our novel reflectance measuring technique we can combine theoretical solar irradiance with measured surface reflectance, resolved against wavelength, angle,... Tue, 20 Sep 2022 00:00:00 +0100 https://www.montereyjack.net/2022-09-20-ssg/ https://www.montereyjack.net/2022-09-20-ssg/ J. J. Tyson, T. Rahman, and S. A. Boden - We theorise as to the probable performance metrics of various solar cell textures should they be placed at various places around the world, across all seasons, and with typical local weather conditions. This analysis methodoloy brings to light novel and previously unseen advantages and disadvantages to certain texturing techniques, solar... Wed, 06 Apr 2022 00:00:00 +0100 https://www.montereyjack.net/2022-04-06-pvsat/ https://www.montereyjack.net/2022-04-06-pvsat/ Y. Musleh, J. J. Tyson, C. Cao, S. A. Boden, and T. Rahman - It is stated that the globe is entering a clean energy revolution, diverging away from finite sources, and moving towards more renewable sources such as solar energy. Amid the recent technological advancements in photovoltaics, the majority of sites inaugurate standard monofacial crystalline modules fixed at a particular angle relative to... Tue, 05 Apr 2022 00:00:00 +0100 https://www.montereyjack.net/2022-04-05-pvsat/ https://www.montereyjack.net/2022-04-05-pvsat/ J. J. Tyson, T. Rahman, and S. A. Boden - In developing a solution to tackle the lost energy potential of reflection of light from the surface of solar cells – using nanoscale textured ‘black’ silicon - a new, ground-breaking innovation emerged. The Variable Angle Reflectometer (VAR) is designed to measure the reflectance of a given surface, resolved not only... Thu, 31 Mar 2022 00:00:00 +0100 https://www.montereyjack.net/2022-03-31-fw/ https://www.montereyjack.net/2022-03-31-fw/ J. J. Tyson, T. Rahman, and S. A. Boden - Surface reflectance is a practical metric of the optical performance of a material. Applications, such as glass manufacturing, light sensing, satellite reflectors, and photovoltaics, depend on their reflectance properties and generalized optical performance. Reflectance measurements are rarely reported comprehensively, with only a single angle of incidence common in most datasets.... Thu, 27 Jan 2022 00:00:00 +0000 https://www.montereyjack.net/2022-01-27-ieee/ https://www.montereyjack.net/2022-01-27-ieee/ J. J. Tyson, T. Rahman, and S. A. Boden - The authors theorise a new optical simulation methodology, using COMSOL Multiphysics and the theory behind optical ray tracing, to translate electromagnetic wave fronts into directional rays at the nanoscale. This publication is currently not available to download. Thu, 01 Oct 2020 00:00:00 +0100 https://www.montereyjack.net/2020-10-01-comsol/ https://www.montereyjack.net/2020-10-01-comsol/ J. J. Tyson, T. Rahman, and S. A. Boden - As the era of microscale technologies becomes increasingly overcome by that of the nanoscale, an ever-increasing emphasis on the accurate modelling of such scaled systems is apparent. This work explores the combination of the finite element method with a new set of statistical algorithms to model the optical properties of... Sat, 30 May 2020 00:00:00 +0100 https://www.montereyjack.net/2020-05-30-cpc-paper/ https://www.montereyjack.net/2020-05-30-cpc-paper/ J. J. Tyson, T. Rahman, and S. A. Boden - This work explores the implications of random and non-linear nanostructures on electromagnetic wave propagation, within a multiphysics simulation environment. Showcased is a way to noticeably bypass the inaccuracies drawn from the linearity dependency of traditional simulation methods. Applying the COMSOL Multiphysics software platform, the finite element method and a geometry... Wed, 25 Sep 2019 00:00:00 +0100 https://www.montereyjack.net/2019-09-25-comsol/ https://www.montereyjack.net/2019-09-25-comsol/ J. J. Tyson, T. Rahman, and S. A. Boden - In this work, we present a method of simulating the reflectance spectra of black silicon surfaces using the finite element method. Outlined is the design and verification of a new set of algorithm-controlled geometries, rendering a vast array of different structural permutations, whilst measuring the spectral response of each individually.... Fri, 12 Apr 2019 00:00:00 +0100 https://www.montereyjack.net/2019-04-12-pvsat/ https://www.montereyjack.net/2019-04-12-pvsat/ J. J. Tyson - Flow-rate detection forms an integral component of a wide variety of analysis systems. With the micro-scale advancements of such technologies this is an area of interest, particularly for fluid-based medical applications, in which many different form-factors employing a variety of different detection methods can be seen. In this paper, an... Tue, 22 May 2018 00:00:00 +0100 https://www.montereyjack.net/2018-05-22-beng/ https://www.montereyjack.net/2018-05-22-beng/