A NANOPHOTONIC SOLAR THERMOPHOTOVOLTAIC DEVICE PDF

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Written by Sandra Henderson 3 February A new approach to solar thermophotovoltaics by the Massachusetts Institute of Technology MIT , Cambridge, Massachusetts US , achieves a 3-fold conversion efficiency increase by using an absorber-emitter layer made of carbon nanotubes and photonic crystals to absorb solar energy in form of heat first. The solar thermophotovoltaic STPV system also holds promises for easier energy storage.

So the MIT team put a two-layer absorber-emitter device between the sunlight and the photovoltaic cell. MIT demonstrated this concept for a low band gap 0.

The basic concept behind such a STPV system is not new. The test device reached its peak efficiency when the intensity of the artificial light source reached the equivalent of suns, heating the absorber-emitter to degrees Celsius. In contrast to previous STPV trials, which simulated sunlight concentrated by level of several thousand, the light intensity here is already much lower, and the team expects to be able to decrease the concentration even further with improvements, making the system easier to operate.

Labels: solar thermal , Nanophotonic , Massachusetts Institute of Technology , MIT , thermophotovoltaics , solar thermophotovoltaics , carbon nanotubes , photonic crystals , energy storage , solar energy storage , PV cells. Trina Solar Co. Read More. Sense Solar has updated the Sense app to track how much of a solar Ginlong Technologies, a specialist in photovoltaic string inverter Stem, Inc. KACO new energy has added five new string inverters to its product Ecolibrium Solar, a provider of fast and simple solar mounting Schneider Electric, a specialist in digital transformation of energy For the first time ever, a solar system has been created to be able All rights reserved.

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A nanophotonic solar thermophotovoltaic device

Solar photovoltaic PV panels have an average efficiency of 15 to 20 per cent, which decreases over the lifetime of a power plant. Due to this, large tracts of land are required for setting up megawatt-scale projects. To overcome these challenges, extensive research is being conducted across nations to increase the efficiency of solar cells. To this end, a team of MIT research scientists have demonstrated a nanophotonic solar thermophotovoltaic STPV device that can help more than double the present theoretical efficiency limits of a normal solar panel.

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