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Flexible solar cells based on stacked crystalline semiconductor nanomembranes on plastic substrates
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
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2010 (English)In: Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010, 2010, 5501105- p.Conference paper (Refereed)
Abstract [en]

We report here experimental demonstration of flexible solar cells based on crystalline semiconductor nanomembranes (NMs) transferred onto flexible PET (polyethylene terephthalate) substrates. For 1 micrometer thick p-i-n InP NMs, we obtained an open circuit voltage of 0.68 V and power efficiency of 1.5% from the photovoltaic solar cells. The results agree very well with the anticipated thin film InP solar cell performance considering the low absorption in very thin InP NMs. The efficiency remains unchanged for bending radii greater than 42 mm. It drops to 50% of its original value at a bending radius of 32 mm. The results demonstrate a promising future for such, a new type of cost effective flexible thin film solar cells, based on crystalline semiconductor membranes.

Place, publisher, year, edition, pages
2010. 5501105- p.
Keyword [en]
Bending radius, Cost effective, Crystalline semiconductors, Flexible solar cells, Flexible thin film solar cells, InP, Nanomembranes, Photovoltaic solar cells, Plastic substrates, Power efficiency, Solar cell performance, Crystalline materials, Nanostructures, Open circuit voltage, Polyethylene terephthalates, Solar cells, Solar power generation, Thermoplastics, Thin films, Semiconductor lasers
National Category
Condensed Matter Physics
URN: urn:nbn:se:kth:diva-82989ISI: 000290513600263ScopusID: 2-s2.0-77957578412ISBN: 978-155752890-2OAI: diva2:503135
Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS). San Jose, CA. MAY 16-21, 2010, United States

QC 20120301

Available from: 2012-02-15 Created: 2012-02-12 Last updated: 2014-09-16Bibliographically approved

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Berggren, JesperHammar, Mattias
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Microelectronics and Applied Physics, MAP
Condensed Matter Physics

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