The optoelectronic properties and applications of solution-processable titanium oxide nanoparticles |
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| Affiliation: | 1. Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan;2. Department of Green Material Technology, Green Technology Research Institute, Chinese Petroleum Corporation (CPC Corporation), Kaohsiung, Taiwan;3. Department of Mechanical and Automation Engineering, I-Shou University, Kaohsiung, Taiwan;4. Department of Fragrance and Cosmetic Science, Kaohsiung Medical University, Kaohsiung, Taiwan;1. University of Cagliari, Dept. of Electrical and Electronic Engineering, Piazza D’Armi, 09123 Cagliari, Italy;2. CNR – Institute of Nanoscience, S3 Centre, Via Campi 213A, 41100 Modena, Italy;3. University of Namur, Research Center in Physics of Matter and Radiation (PMR), Laboratoire Interdisciplinaire de Spectroscopie Electronique (LISE), rue de Bruxelles 61, B-5000 Namur, Belgium;4. University of Lodz, Department of Materials Technology and Chemistry, Pomorska St. 163, 90-236 Lodz, Poland;5. Central European Institute of Technology, Masaryk University, Kamenice 5, CZ-62500 Brno, Czech Republic;6. Institute of Applied Physics, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 10, D-72076 Tübingen, Germany;1. Department of Chemistry, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia B3H 4R2, Canada;2. Department of Physics, Dalhousie University, 6274 Coburg Road, Halifax, Nova Scotia B3H 4R2, Canada;3. Department of Chemistry, Portland State University, Portland, OR 97207-0751, USA;1. Université Tunis El Manar, Faculté des Sciences de Tunis, Département de Physique, LR99ES13 Laboratoire de Physique de la Matière Condensée (LPMC), 2092 Tunis, Tunisie, Tunisia;2. Institut d''Electronique et des systèmes, Unité Mixte de Recherche 5214 UM2-CNRS (ST2i) – Université Montpellier, 860 rue de Saint Priest, Bâtiment 5, 34097 Montpellier, France;3. Laboratoire de Magnétisme et Spectroscopie des Solides (LM2S), Département de Physique, Faculté des Sciences, Université Badji Mokhtar Annaba, B.P. 12, 23000 Annaba, Algeria;4. Faculté des Sciences de Bizerte, Université de Carthage, Zarzouna 7021, Tunisia |
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| Abstract: | In this study, the surface modified TiO2 nanoparticles have been prepared through microwave-assisted reaction with oleic acid as surfactant. The as-synthesized TiO2 nanoparticles reveal uniform particle size distribution and high dispersibility in organic solvents which can be easily integrated into solution-process. The organic capped TiO2 (OC-TiO2) has been applied as filler for LED encapsulant and electron collection layer for organic solar cells. With 1.0 wt% loading of TiO2 nanoparticles, the refractive index (RI) of TiO2/silicone composites increase from 1.51 for neat silicone to 1.575. As a result, a high-power LED encapsulated with this composite showed more than 9% increase in the light output. Moreover, the organic solar cell with the OC-TiO2 as electron collection layer shows an enhanced long-term durability due to the hydrophobic property of OC-TiO2. |
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| Keywords: | Surface modification Solution process Mobility Solar cell |
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