Using d-limonene as the non-aromatic and non-chlorinated solvent for the fabrications of high performance polymer light-emitting diodes and field-effect transistors |
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| Affiliation: | 1. Key Laboratory of Interface Science and Engineering in Advanced Materials, Taiyuan University of Technology, Ministry of Education, Taiyuan 030024, PR China;2. School of Physical Science and Electronics, Shanxi Datong University, Datong 037009, PR China;3. Research Center of Advanced Materials Science and Technology, Taiyuan University of Technology, Taiyuan 030024, PR China;4. College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China;5. College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China;6. School of Materials Science and Engineering, Shanghai University, Shanghai 200072, PR China;1. Hyogo Prefectural Institute of Technology, 3-1-12 Yukihira-cho, Suma, Kobe, Hyogo 654-0037, Japan;2. National Institute of Advanced Industrial Science and Technology (AIST), Kansai Centre, 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan;1. Department of Food Science and Technology, Ferdowsi University of Mashhad (FUM), PO Box: 91775-1163, Mashhad, Iran;2. Research Institute for Nanotechnology and Advanced Materials, Isfahan University of Technology (IUT), PO Box: 84156-83111, Isfahan, Iran;1. Institute of Catalysis and Petroleochemistry (CSIC), Calle Marie Curie 2, Cantoblanco, 28049 Madrid, Spain;2. Institute of Materials Science of Madrid (CSIC), Calle Sor Juana Ines de La Cruz, Cantoblanco, 28049 Madrid, Spain;1. Institute of Super-microstructure and Ultrafast Process in Advanced Materials, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, China;2. Hunan Key Laboratory for Super-microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, Hunan 410083, China;3. College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;4. Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA |
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| Abstract: | Aiming to environment protection, green solvents are crucial for commercialization of solution-processed optoelectronic devices. In this work, d-limonene, a natural product, was introduced as the non-aromatic and non-chlorinated solvent for processing of polymer light-emitting diodes (PLEDs) and organic field effect transistors (OFETs). It was found that d-limonene could be a good solvent for a blue-emitting polyfluorene-based random copolymer for PLEDs and an alternating copolymer FBT-Th4(1,4) with high hole mobility (μh) for OFETs. In comparisons to routine solvent-casted films of the two conjugated polymers, the resulting d-limonene-deposited films could show comparable film qualities, based on UV–vis absorption spectra and observations by atomic force microscopy (AFM). With d-limonene as the processing solvent, efficient blue PLEDs with CIE coordinates of (0.16, 0.16), maximum external quantum efficiency of 3.57%, and luminous efficiency of 3.66 cd/A, and OFETs with outstanding μh of 1.06 cm2 (V s)?1 were demonstrated. Our results suggest that d-limonene would be a promising non-aromatic and non-chlorinated solvent for solution processing of conjugated polymers and molecules for optoelectronic device applications. |
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| Keywords: | Non-aromatic and non-chlorinated solvent Polymer light emitting diode Organic field-effect transistor |
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