发明名称 Luminescence concentrators and luminescence dispersers on the basis of oriented dye zeolite antennas
摘要 A luminescence concentrator (LK) may concentrate both incident direct and diffuse light by way of frequency shift and total internal reflection. It differs fundamentally from geometric concentrators. With sufficient geometric expansion of the collector plate, nearly arbitrarily high concentration can be achieved in the LK. A luminescence disperser is an apparatus which holds both directional and nondirectional incident light captive in a transparent body by way of frequency shift and total internal reflection and emits it diffusely or directionally uniformly distributed across an area by way of luminescence emission. The object of the invention is a method for the technical implementation of the LK and luminescence disperser, using zeolite crystals having a nanotube structure, into which the luminescent dyes are embedded such that they have antenna properties. Using the resulting novel structures, problems can be solved which made the technical use of LK impossible or at least considerably limited it. This results in completely novel usage possibilities for collecting and concentrating sun light and feeding it into photovoltaic systems, for converting it into electric and thermal energy in combined photovoltaic/hot water apparatuses, and for feeding it into fiber optic apparatuses.
申请公布号 US8917969(B2) 申请公布日期 2014.12.23
申请号 US200912999013 申请日期 2009.03.31
申请人 Universität Zürich 发明人 Calzaferri Gion;Kunzmann Andreas;Brühwiler Dominik;Bauer Christophe
分类号 G02B6/00;C09K11/06;H01L31/0232;H01L51/44;H01L31/055;F24J2/06 主分类号 G02B6/00
代理机构 Shoemaker and Mattare 代理人 Shoemaker and Mattare
主权项 1. A device for concentrating light, as a luminescence concentrator, or for dispersing light, as a luminescence disperser, consisting of luminescent sites, which are formed from donor and acceptor dye molecules in a donar/acceptor ratio greater than 10:1 in supramolecular arrangement and organized in zeolites so as to result in an antenna function, which luminescent sites are referred to as antennas, wherein no dye molecules are present on the outer surface of the zeolites which are embedded as one layer, or two or more layers spaced apart, into a polymer, individual dye-zeolite layers having a thickness between 10 nm and 2000 nm, and which are on or between transparent sheets which are suitable for total internal reflection and consist of glass, plastic or a combination thereof, wherein the thickness of the sheets is of the order of magnitude of one or more of these layers.
地址 Stanfen CH