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THE LUMINESCENT SOLAR CONCENTRATOR.

BATCHELDER, JOHN SAMUEL.

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THE LUMINESCENT SOLAR CONCENTRATOR.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	THE LUMINESCENT SOLAR CONCENTRATOR./
作者:	BATCHELDER, JOHN SAMUEL.
面頁冊數:	286 p.
附註:	Source: Dissertation Abstracts International, Volume: 42-09, Section: B, page: 3724.
Contained By:	Dissertation Abstracts International42-09B.
標題:	Physics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=8203349

THE LUMINESCENT SOLAR CONCENTRATOR.
BATCHELDER, JOHN SAMUEL.

THE LUMINESCENT SOLAR CONCENTRATOR. - 286 p.

Source: Dissertation Abstracts International, Volume: 42-09, Section: B, page: 3724.

Thesis (Ph.D.)--California Institute of Technology, 1982.

The Luminescent Solar Concentrator (LSC) allows sunlight to be concentrated through the use of light pipe trapping of luminescence. Such concentrators do not require tracking, and they can reduce the cost of solar energy conversion by reducing the required area of photovoltaic cells. We have conducted the following experimental and theoretical investigations in order to optimize the LSC's performance.Subjects--Topical Terms:

1018488
Physics, General.

THE LUMINESCENT SOLAR CONCENTRATOR.
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245 1 4 $a THE LUMINESCENT SOLAR CONCENTRATOR.
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500 $a Source: Dissertation Abstracts International, Volume: 42-09, Section: B, page: 3724.
502 $a Thesis (Ph.D.)--California Institute of Technology, 1982.
520 $a The Luminescent Solar Concentrator (LSC) allows sunlight to be concentrated through the use of light pipe trapping of luminescence. Such concentrators do not require tracking, and they can reduce the cost of solar energy conversion by reducing the required area of photovoltaic cells. We have conducted the following experimental and theoretical investigations in order to optimize the LSC's performance.
520 $a The spectral characteristics of 18 organic laser dyes are studied for their applicability as luminescing centers. The spectral homogeneity and self-absorption characteristics of representative dyes are examined in detail. The relative spectral homogeneity of such dyes is shown to depend upon the surrounding material using narrow band laser excitation. We develop three independent techniques for measuring self-absorption rates; these are time-resolved emission, steady state polarization anisotropy, and spectral convolution. Prototype devices are tested for performance, and the component dyes are tested for stability to solar exposure.
520 $a A model is developed which predicts the efficiency and gain of and LSC from the spectroscopic characteristics of its components. A critical optical density (CODE) is assigned to the dyes surveyed which predicts the self-absorption limited performance for a particular dye. The maximum efficiency of an LSC is found using a simple model and the experimentally measured Stokes shift required to minimize self-absorption.
520 $a We find that the performance of LSCs which achieve high light concentration is primarily limited by self-absorption and by photodegradation. The maximum efficiency possible is about 9% in such systems, and present devices can achieve about 3%. A typical lifetime for an LSC using organic laser dyes due to photodegradation is on the order of a month.
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