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Spectrum conversion in solar cells industry: Novel model concept and steps towards commercialization
Halmstad University, School of Business, Engineering and Science, Biological and Environmental Systems (BLESS), Energy Science.
2015 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Solar photovoltaic industry is a hot research field, massive attempts are going on all over the world to increase its productivity in different ways. One of the challenges for solar cells is the light spectrum mismatch losses, which referred to the part of solar spectrum that cannot be utilized to electricity by the conventional cells.

Two ways have been suggested to overcome solar spectrum mismatch losses, the first is multi layered cells (tandem cells) with a different light behavior for each layer, and the second is spectrum conversion which is this researches subject.

Spectral modification or conversion in solar cells industry has been studied and different lab scale models have been introduced. According to nanoscale journal, such technology may be the base of the next generation solar cells, mentioning specifically the use of luminescence down conversion and up conversion techniques to control the light spectrum on the solar cell, these endeavors targets to produce solar cells that is not subjugated to Shockley-Queisser maximum efficiency limit of 31%.

This research aims to draw a map of various ideas introduced to incorporate similar technologies in solar cell products, beside further suggestion to enhance its technical behavior and to push the commercialization of the technology forward. This is expected to reveal clear image about technology’s future development map for the upcoming studies, and to create a motivation for further studies towards a commercial production scale.

The proposed commercialized model will result in enhancing the maximum theoretical efficiency limit to 48% if all spectral mismatch loses have been eliminated. Quantum energy level diagrams have been illustrated to describe each model’s performance under a theoretical light spectrum.

Place, publisher, year, edition, pages
2015. , 32 p.
Keyword [en]
renewable energy, solar cells, spectrum conversion.
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:hh:diva-28429OAI: oai:DiVA.org:hh-28429DiVA: diva2:817829
Subject / course
Energy Technology
Supervisors
Examiners
Available from: 2015-06-18 Created: 2015-06-06 Last updated: 2015-06-18Bibliographically approved

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