搜索结果: 1-8 共查到“光学工程 Light trapping”相关记录8条 . 查询时间(0.171 秒)
We consider light trapping in photonic crystals in the weak material absorption limit. Using a rigorous electromagnetic approach, we show that the upper bound on the angle-integrated absorption enhanc...
Optimization of non-periodic plasmonic light-trapping layers for thin-film solar cells
non-periodic plasmonic light-trapping layers
2013/8/7
Non-periodic arrangements of nanoscale light scatterers allow for the realization of extremely effective broadband light-trapping layers for solar cells. However, their optimization is challenging giv...
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...
Angular constraint on light-trapping absorption enhancement in solar cells
Angular constraint light-trapping absorption enhancement solar cells
2011/8/10
Light trapping for solar cells can reduce production cost and improve energy conversion efficiency.Understanding some of the basic theoretical constraints on light trapping is therefore of funda...
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...
Fundamental limit of light trapping in grating structures
Solar Energy Nanophotonics and photonic crystals Diffraction and gratings
2010/8/10
We use a rigorous electromagnetic approach to analyze the fundamental limit of light-trapping enhancement in grating structures. This limit can exceed the bulk limit of 4n2, but has significant angula...
Fundamental limit of nanophotonic light trapping in solar cells
nanophotonic light trapping solar cells
2010/8/10
Establishing the fundamental limit of nanophotonic light-trapping schemes is of paramount importance and is becoming increasingly urgent for current solar cell research. The standard theory of light t...