Journal
OPTICAL MATERIALS
Volume 42, Issue -, Pages 411-416Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optmat.2015.01.038
Keywords
Lanthanide; Europium; Complex; Copolymer
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [24102012, 2401]
- Grants-in-Aid for Scientific Research [24102012] Funding Source: KAKEN
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Luminescent beads composed of Eu(hfa)(3)(TPPO)(2) (hfa: hexafluoroacetylacetonate, TPPO: triphenylphosphine oxide) in PMMA copolymer (polymethylmethacrylate- styrene and polymethylmethacrylate-tri-fluoromethylmethacrylate copolymers), PMMA-St-Eu and PMMA-TF-Eu have been reported for improvement of energy conversion efficiency on silicon solar cell. The PMMA-St-Eu and PMMA-TF-Eu beads are prepared using radical initiator AIBN (2,2-azobisisobutyronitrile) without BPO (Benzoyl peroxide) which promotes decomposition of Eu(hfa)(3)(TPPO)(2). The emission properties of EVA (ethylene vinyl acetate) film with PMMA-St-Eu or PMMA-TF-Eu beads are characterized by the emission spectra and lifetimes. Thermo- and moisture-stabilities of the EVA films are performed under high temperature and high moisture condition (85 degrees C85%RH). Increase percentage the solar cell short circuit current efficiency in the solar cell modulation using with EVA film containing PMMA-St-Eu beads with size in 70 mu m was estimated to 1.2%. Thermo- and moisture-stable PMMA-St-Eu and PMMA-TF-Eu beads for solar sealing film are demonstrated for the first time. (C) 2015 Elsevier B.V. All rights reserved.
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