Influence of pyramid size on reflectivity of silicon surfaces textured using an alkaline etchant
Sign Up to like & getrecommendations! Published in 2019 at "Bulletin of Materials Science"
DOI: 10.1007/s12034-019-1848-7
Abstract: Surface texturing of p-type monocrystalline silicon (100) is well known as one of the best methods to reduce reflection losses and to increase light trapping and light absorption probability. Pyramid surface textures play a major… read more here.
Keywords: size; silicon; pyramid size; reflectivity ... See more keywords
Tripodal penta(p-phenylene) for the biofunctionalization of alkynyl-modified silicon surfaces
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.03.088
Abstract: Abstract Here we report the optimization on the covalent grafting methodology of a tripod-shaped penta(p-phenylene), 1, on alkynyl-terminated silicon surfaces, and the incorporation of an active theophylline derivative, 2, for the specific immobilization of proteins.… read more here.
Keywords: microscopy; tripod; surface; penta phenylene ... See more keywords
Multi-scale micro-nano structures prepared by laser cleaning assisted laser ablation for broadband ultralow reflectivity silicon surfaces in ambient air
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.145182
Abstract: Abstract To meet the ultra-broadband perfect absorption of visible-infrared light on silicon surfaces, a green, efficient and economical method for fabricating multi-scale micro-nano composite structures in ambient air is proposed. We experimentally demonstrate laser cleaning… read more here.
Keywords: laser; laser cleaning; multi scale; broadband ... See more keywords
Enhanced stability of passivation quality on diffused silicon surfaces under light-induced degradation conditions
Sign Up to like & getrecommendations! Published in 2018 at "Solar Energy Materials and Solar Cells"
DOI: 10.1016/j.solmat.2018.08.019
Abstract: Abstract Significant surface related degradation (SRD) is observed in samples passivated with either SiNx:H or AlOx:H/SiNx:H during treatment at 150 °C and 1 sun equivalent illumination intensity. Degradation of SiNx:H passivation is caused by a decrease… read more here.
Keywords: degradation; passivation; silicon surfaces; passivation quality ... See more keywords
Laser ablation microgrooving and nanostructured silicon surfaces for an effective gettering process and reduced optical losses
Sign Up to like & getrecommendations! Published in 2018 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2018.09.031
Abstract: Abstract This work investigates the effect of laser microgrooved monocrystalline silicon surfaces to improve the gettering effectiveness of Si substrates for enhanced solar cell electrical properties. A combination of microgrooves and a grown sacrificial porous… read more here.
Keywords: ablation microgrooving; microgrooving nanostructured; laser ablation; silicon ... See more keywords
Reconsidering X-ray Photoelectron Spectroscopy Quantification of Substitution Levels of Monolayers on Unoxidized Silicon Surfaces
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c04101
Abstract: The covalent functionalization of unoxidized silicon surfaces is of interest for a wide range of applications and for fundamental studies linking surface functionalization and electronic properties... read more here.
Keywords: reconsidering ray; spectroscopy; ray photoelectron; unoxidized silicon ... See more keywords
Surface photovoltage dynamics at passivated silicon surfaces: influence of substrate doping and surface termination.
Sign Up to like & getrecommendations! Published in 2022 at "Faraday discussions"
DOI: 10.1039/d1fd00107h
Abstract: We have monitored the temporal evolution of the band bending at controlled silicon surfaces after a fs laser pump excitation. Time-resolved surface photo-voltage (SPV) experiments were performed using time resolved photoemission spectroscopy with time resolution… read more here.
Keywords: time; doping surface; surface termination; surface ... See more keywords
Sub-2 cm/s passivation of silicon surfaces by aprotic solutions
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0003704
Abstract: Minimizing recombination at semiconductor surfaces is required for the accurate determination of the bulk carrier lifetime. Proton donors, such as hydrofluoric acid and superacids, are well known to provide highly effective short-term surface passivation. We… read more here.
Keywords: passivation; aprotic solutions; density; recombination ... See more keywords