Eco‐Friendly Colloidal Quantum Dot‐Based Luminescent Solar Concentrators
نویسندگان
چکیده
منابع مشابه
Nanostructured, luminescent solar concentrators
Luminescent solar concentrators1 (LSCs), a class of solar-energyharvesting devices, operate slightly differently from traditional photovoltaic (PV) solar cells. Irrespective of the exact nature of the active materials used for their manufacturing, solar cells generate electrical carriers and, hence, a photocurrent. In contrast, LSCs absorb solar photons and re-emit them over a narrow band at lo...
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[*] Prof. M. A. Baldo, C. L. Mulder, Dr. L. Theogarajan, M. Currie, J. K. Mapel Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) E-mail: [email protected] M. Vaughn, P. Willard, Prof. B. D. Bruce Biochemistry, Cellular and Molecular Biology & Chemical and Biomolecular Engineering University of Tennesse...
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We investigate the performance of cylindrical luminescent solar concentrators (CLSCs) with near-infrared lead sulfide quantum dots (QDs) in the active region. We fabricate solid and hollow cylinders from a composite of QDs in polymethylmethacrylate, prepared by radical polymerization, and characterize sample homogeneity and optical properties using spectroscopic techniques. We additionally meas...
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The problem of reabsorption in luminescent solar concentrators (LSC) is discussed. A mathematical development is presented which enables the LSC gain to be calculated based on the optical properties of the materials and a random walk formalism. Two- and three-dimensional analyses are used. A detailed set of calculations for a common dye (rhodamine 6G) is used to examine the practicality of empl...
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A novel experimental method is presented to determine the optical efficiency and the loss channels of a luminescent solar concentrator (LSC). Despite strong promise, LSCs have not yet reached their full potential due to various mechanisms affecting the device's optical efficiency. Among those loss channels, escape cone and non-unity quantum yield losses are generally the most dominant. To furth...
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ژورنال
عنوان ژورنال: Advanced Science
سال: 2019
ISSN: 2198-3844,2198-3844
DOI: 10.1002/advs.201801967