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xiejf

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[资源] Adv. Mater.姊妹刊：Solar Energy for the Built Environment

Thirty Years of Luminescent Solar Concentrator Research: Solar Energy for the Built Environment

Research on the luminescent solar concentrator (LSC) over the past thirtyodd
years is reviewed. The LSC is a simple device at its heart, employing
a polymeric or glass waveguide and luminescent molecules to generate
electricity from sunlight when attached to a photovoltaic cell. The LSC has
the potential to fi nd extended use in an area traditionally diffi cult for effective
use of regular photovoltaic panels: the built environment. The LSC is a device
very fl exible in its design, with a variety of possible shapes and colors. The
primary challenge faced by the devices is increasing their photon-to-electron
conversion effi ciencies. A number of laboratories are working to improve the
effi ciency and lifetime of the LSC device, with the ultimate goal of commercializing
the devices within a few years. The topics covered here relate to the
efforts for reducing losses in these devices. These include studies of novel
luminophores, including organic fl uorescent dyes, inorganic phosphors, and
quantum dots. Ways to limit the surface and internal losses are also discussed,
including using organic and inorganic-based selective mirrors which
allow sunlight in but refl ect luminophore-emitted light, plasmonic structures
to enhance emissions, novel photovoltaics, alignment of the luminophores
to manipulate the path of the emitted light, and patterning of the dye layer to
improve emission effi ciency. Finally, some possible ‘glimpses of the future’
are offered, with additional research paths that could result in a device that
makes solar energy a ubiquitous part of the urban setting, fi nding use as
sound barriers, bus-stop roofs, awnings, windows, paving, or siding tiles.

[ 来自科研家族新能源家族 ]

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2011-12-12 22:19:44, 111.3 K