搜索结果: 1-12 共查到“光学仪器及技术 cells”相关记录12条 . 查询时间(0.117 秒)
Resonant cavity enhanced light harvesting in flexible thin-film organic solar cells
Transparent conductive coatings Thin film devices applications
2013/8/7
Dielectric/metal/dielectric (DMD) electrodes have the potential to significantly increase the absorption efficiency and photocurrent in flexible organic solar cells. We demonstrate that this enhanceme...
Absorption Enhancement in Ultrathin Crystalline Silicon Solar Cells with Antireflection and Light-Trapping Nanocone Gratings
Solar cells light trapping antireflection crystalline silicon absorption enhancement nanocone gratings
2012/8/7
Enhancing the light absorption in ultrathin-film silicon solar cells is important for improving efficiency and reducing cost. We introduce a double-sided grating design, where the front and back surfa...
Nanostructured photon management for high performance solar cells
Solar cell Light trapping Nanocone Nanowire
2011/8/10
Advanced photon management, involving both absorption enhancement and reflection reduction, is critical to all photovoltaic devices. Here we discuss a novel solar cell structure with an efᤙ...
Dielectric nanostructures for broadband light trapping in organic solar cells
Solar energy Nanophotonics photonic crystals Diffraction gratings
2011/8/10
Organic bulk heterojunction solar cells are a promising candidate for low-cost next-generation photovoltaic systems. However,carrier extraction limitations necessitate thin active layers that sacri...
Nanophotonic light-trapping theory for solar cells
Nanophotonic light-trapping theory solar cells
2011/8/10
Conventional light-trapping theory, based on a ray-optics approach, was developed for standard thick photovoltaic cells. The classical theory established an upper limit for possible absorption enhance...
Enhancement of optical absorption in thin-film organic solar cells through the excitation of plasmonic modes in metallic gratings
optical absorption organic solar cells plasmonic modes metallic gratings
2010/8/10
We theoretically investigate the enhancement of optical absorption in thin-film organic solar cells in which the top transparent electrode is partially substituted by a periodic metallic grating...
Fully Reconfigurable Silicon Photonic Lattice Filters with Four Cascaded Unit Cells
Reconfigurable Silicon Photonic Lattice Filters Four Cascaded
2010/6/10
We present a fully-reconfigurable CMOS-compatible silicon-photonic lattice-filter with four cascaded unit cells consisting of resonant rings and Mach-Zehnder interferometers. The measurements show hig...
Realtime Nonlinear-Optical Microscopy for Observing Biological Cells
Nonlinear optical effect Two-photon fluorescence Second-harmonic generation
2009/6/12
The recent development of ultrashort pulse lasers emitting light in the near infrared region has enabled us to induce nonlinear optical effects in living biological cells. The use of nonlinear optical...
Research on the Control of Growth/Differentiation of Tissue Stem Cells; Possible Applications of Laser Technology for the Understanding of Inductive Tissue Regeneration
Fregenerative medicine Stem cell Differentiation
2009/6/8
In addition to infectious diseases, life-style related diseases become a more common reason for medication of elderly people than ever. Dysfunction of organs is an underlying cause of these diseases. ...
Thin-Film Solar Cells Based on the Polycrystalline Compound Semiconductors CIS and CdTe
Solar Cells Polycrystalline
2008/10/30
Thin-film photovoltaic modules based on Cu-In-Ga-Se-S (CIS) and CdTe are already being produced with high-quality and solar conversion efficiencies of around 10%, with values up to 14% expected in the...
We review the field of thin-film silicon solar cells with an active layer thickness of a few micrometers. These technologies can potentially lead to low cost through lower material costs than conventi...
Wafer Surface Charge Reversal as a Method of Simplifying Nanosphere Lithography for Reactive Ion Etch Texturing of Solar Cells
Simplifying Nanosphere Lithography Solar Cells
2008/10/30
A simplified nanosphere lithography process has been developed which allows fast and low-waste maskings of Si surfaces for subsequent reactive ion etching (RIE) texturing. Initially, a positive surfac...