Solvent-dependent morphology of thermally converted copper phthalocyanine for solution-processed small molecule organic photovoltaic devices |
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| Affiliation: | 1. Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;2. Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyamacho, Toyonaka, Osaka 560-0043, Japan;1. Department of Chemistry, University of Calgary, 2500 University Drive NW Calgary, Alberta T2N 1N4, Canada;2. Department of Chemical and Biological Engineering, University of Ottawa, 161 Louis Pasteur, Ottawa, Ontario, K1N 6N5, Canada;1. Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus UAB, 08193 Bellaterra, Spain;2. Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 08193 Bellaterra, Spain;3. Dept. Enginyeria Electrònica, Universitat Politècnica Catalunya, 08034 Barcelona, Spain;4. Centre de Recerca en Nanoenginyeria (CrNE), 08028 Barcelona, Spain;1. Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdansk University of Technology, Narutowicza Street 11/12, 80-233 Gdansk, Poland;2. Laboratoire de Chimie-Physique, IPHC-DSA, UDS, CNRS, ECPM 25, Rue Becquerel, 67087 Strasbourg Cedex 2, France;3. Department of Biomedical Engineering, The University of Memphis, Memphis, TN 38152, United States;1. Institute Materials for Electronics and Energy Technology (i-MEET), Department of Material Science and Engineering, Friedrich-Alexander University of Erlangen-Nuremberg, Martensstrasse 7, 91058 Erlangen, Germany;2. Bavarian Centre of Applied Energy Research (ZAE Bavaria), Haberstrasse 2a, 91058 Erlangen, Germany;1. Institut Charles Gerhardt, MACS, UMR 5253 CNRS-ENSCM-UM1-UM2, 8, rue de l’Ecole Normale, 34296 Montpellier cedex 5, France;2. PSL Research University, Institut de Recherche de Chimie Paris IRCP, CNRS – Chimie ParisTech, 11 rue Pierre et Marie Curie, F-75005 Paris, France |
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| Abstract: | We fabricated copper phthalocyanine (CuPc)-based organic photovoltaic (OPV) devices via a solution process. CuPc was obtained through thermal conversion of its precursor CuPc(OMe)2, which has excellent solubility in various organic solvents, on a substrate. Solvent-dependent performance of the resulting devices was observed, which could be explained by considering film morphology. Using a 1:2 (wt/wt) mixture of chlorobenzene and chloroform produced a p–n type OPV device with a power conversion efficiency of 1.35% under 1 sun simulated AM1.5G solar illumination. |
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| Keywords: | Solar cells Solution process Copper phthalocyanine Thermal conversion Thermocleavable |
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