Search Results - "Payne, David N"
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1
High-Power Fiber Lasers
Published in Science (American Association for the Advancement of Science) (20-05-2011)“…The brightness, robustness, and flexibility of high-power fiber laser sources provide an enabling technology for science and industry. Lasers are used in a…”
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2
The Ultimate Strength of Glass Silica Nanowires
Published in Nano letters (11-02-2009)“…In the past decade nanowires have attracted an increase interest because of their extraordinary mechanical strength. In fact, material properties in the…”
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3
Rapid Stabilization of High-Performance Multicrystalline P-type Silicon PERC Cells
Published in IEEE journal of photovoltaics (01-11-2016)“…Light-induced or, more broadly, carrier-induced degradation (CID) in high-performance multicrystalline silicon (TIP mc-Si) solar cells remains a serious issue…”
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4
Large volume tomography using plasma FIB-SEM: A comprehensive case study on black silicon
Published in Ultramicroscopy (01-03-2022)“…•This work demonstrates that specimen preparation, including the orientation of the volume of interest, is critical for the quality of the final reconstructed…”
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5
3D characterisation using plasma FIB-SEM: A large-area tomography technique for complex surfaces like black silicon
Published in Ultramicroscopy (01-11-2020)“…•We investigated the surface topography of black silicon (BSi) with under-etching resulted overhanging structures by Xe+ Plasma FIB-SEM dual beam…”
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6
Reflectance properties of silicon moth-eyes in response to variations in angle of incidence, polarisation and azimuth orientation
Published in Optics express (10-03-2014)“…We report a study of the optical properties of silicon moth-eye structures using a custom-made fully automated broadband spectroscopic reflectometry system…”
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7
A four-state kinetic model for the carrier-induced degradation in multicrystalline silicon: Introducing the reservoir state
Published in Solar energy materials and solar cells (01-09-2018)“…In this work, we present new insight into the multi-crystalline silicon carrier-induced defect (CID) by performing multiple degradation and regeneration cycles…”
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8
Evidence of an identical firing-activated carrier-induced defect in monocrystalline and multicrystalline silicon
Published in Solar energy materials and solar cells (01-12-2017)“…While progress has been made in understanding the behaviour of the recently identified carrier-induced degradation mechanism in p-type multicrystalline silicon…”
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9
Nanomechanical optical fiber
Published in Optics express (31-12-2012)“…Optical fibers are an excellent transmission medium for light and underpin the infrastructure of the Internet, but generally after fabrication their optical…”
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10
Power Scaling of Single-Frequency Ytterbium-Doped Fiber Master-Oscillator Power-Amplifier Sources up to 500 W
Published in IEEE journal of selected topics in quantum electronics (01-05-2007)“…We discuss continuous-wave single-frequency master- oscillator power-amplifier (MOPA) sources based on ytterbium- doped fibers (YDFs) with particular attention…”
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11
On the Enhanced Phosphorus Doping of Nanotextured Black Silicon
Published in IEEE journal of photovoltaics (01-03-2021)“…The integration of nanotextured black silicon (B-Si) into solar cells is often complicated by its enhanced phosphorus doping effect, which is typically…”
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12
Avoiding Shading Losses in Concentrator Photovoltaics Using a Soft-Imprinted Cloaking Geometry
Published in IEEE journal of photovoltaics (01-09-2022)“…Shading losses are a longstanding obstacle in photovoltaic devices, particularly in concentrator photovoltaics, where the tradeoff between shading and…”
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13
Rapid mitigation of carrier-induced degradation in commercial silicon solar cells
Published in Japanese Journal of Applied Physics (01-08-2017)“…We report on the progress for the understanding of carrier-induced degradation (CID) in p-type mono and multi-crystalline silicon (mc-Si) solar cells, and…”
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14
Improved Ray Tracing on Random Pyramid Texture via Application of Phong Scattering
Published in IEEE journal of photovoltaics (01-05-2019)“…This paper presents an experimental investigation into the light trapping within silicon wafers textured by upright random pyramids. In prior studies, the…”
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15
Large-Area Nanosphere Gratings for Light Trapping and Reduced Surface Losses in Thin Solar Cells
Published in IEEE journal of photovoltaics (01-07-2019)“…Light trapping in thin silicon solar cells demands radically different fabrication approaches to standard commercial cells. Weaker optical absorption and…”
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16
Modeling Boron-Oxygen Degradation and Self-Repairing Silicon PV Modules in the Field
Published in IEEE journal of photovoltaics (01-01-2020)“…Photovoltaic (PV) cells manufactured using p-type Czochralski wafers can degrade significantly in the field due to boron-oxygen (BO) defects. Commercial…”
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17
MCVD in-situ solution doping process for the fabrication of complex design large core rare-earth doped fibers
Published in Journal of non-crystalline solids (15-04-2010)“…We report on the fabrication and characterization of rare-earth doped silica fibers manufactured using an in-situ solution doping technique, which is…”
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18
Minimising bulk lifetime degradation during the processing of interdigitated back contact silicon solar cells
Published in Progress in photovoltaics (01-01-2018)“…In this work, we develop a fabrication process for an interdigitated back contact solar cell using BBr3 diffusion to form the p+ region and POCl3 diffusion to…”
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19
Optical Fiber Fabrication Using Novel Gas-Phase Deposition Technique
Published in Journal of lightwave technology (15-03-2011)“…We report a highly versatile chemical-in-crucible preform fabrication technique suitable for gas-phase deposition of doped optical fibers. Aluminosilicate and…”
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20
Advanced Characterisation of Black Silicon Surface Topography with 3D PFIB-SEM
Published in 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC) (01-06-2019)“…Black silicon (bSi) is a promising surface texturing technology in the PV industry as it can provide superior optics and is compatible with a broad range of…”
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