Results 51 to 60 of about 1,443,984 (310)
EPJ PhotovoltaicsThe development of photovoltaic (PV) modules made of bio-degradable materials from renewable resources offers numerous advantages. It reduces the ecological footprint of the photovoltaic industry and promotes its sustainability.
Pander Matthias +3 more
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Low-Cost thin-layer silicon solar cells [PDF]
, 1975 Two methods have been found to lower cost of polycrystalline silicon solar cells. Successive layers of polycrystalline silicon are deposited over supporting substrates of relatively inexpensive metallurgical-grade polycrystalline silicon, graphite, or ...
Chu, T. L.
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Advanced Engineering Materials, EarlyView.This study investigates innovative thermoreversible hydrogels derived from S53P4 bioactive glass extracts to aid in the healing of infected diabetic foot wounds. These injectable gels, which gel at body temperature, release beneficial ions and remain stable over time.
Marian G. Vargas Guerrero +9 more
wiley +1 more source
ProceedingsIn this paper, a piezoelectrically driven quasi-static MEMS mirror is developed for a scanning LiDAR system. Finite element method (FEM) simulations are used to optimize the design of the MEMS scanner.
Paul Raschdorf +7 more
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Statistical Methods for Degradation Estimation and Anomaly Detection in Photovoltaic Plants
Sensors, 2021 Photovoltaic (PV) plants typically suffer from a significant degradation in performance over time due to multiple factors. Operation and maintenance systems aim at increasing the efficiency and profitability of PV plants by analyzing the monitoring data ...
Vesna Dimitrievska +6 more
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Silicon surface passivation by silicon nitride deposition [PDF]
, 1984 Silicon nitride deposition was studied as a method of passivation for silicon solar cell surfaces. The following three objectives were the thrust of the research: (1) the use of pecvd silicon nitride for passivation of silicon surfaces; (2) measurement ...
Olsen, L. C.
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, 2018 Brillouin laser oscillators offer powerful and flexible dynamics as the basis for mode-locked lasers, microwave oscillators, and optical gyroscopes in a variety of optical systems.
Behunin, Ryan O. +4 more
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Advanced Engineering Materials, EarlyView.High‐temperature interactions between low‐sulfur Al‐killed Mn–B steel and MgO–C refractories (0 and 50 wt% recyclates) are studied via finger immersion tests (1600 °C). Surface‐active elements influence infiltration. MgO/CaS layer forms, along with spinel and calcium silicate.
Matheus Roberto Bellé +5 more
wiley +1 more source
Biaxial Piezoelectrically Driven MEMS Mirror with Large Design Flexibility
ProceedingsIn this work, a biaxial, piezoelectrically driven resonant MEMS mirror with large design flexibility is presented. After FEM-based design optimization to reduce material stress and thereby maximize the achievable total optical scanning angles, fabricated
Lena Wysocki +7 more
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Micromachines, 2017 This article presents design, fabrication and characterization of lead zirconate titanate (PZT)-actuated micromirrors, which enable extremely large scan angle of up to 106° and high frequency of 45 kHz simultaneously.
Shanshan Gu-Stoppel +4 more
doaj +1 more source