Synthesis and characterization of graphene nanocomposites for non-linear optical applications
| Autor: | Jonathan E. Slagle, Douglas M. Krein, Thomas M. Cooper, Chris Muratore, Rachel H. Rai |
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| Rok vydání: | 2018 |
| Předmět: |
Materials science
Graphene Mechanical Engineering Composite number Nanotechnology 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Exfoliation joint Ray 0104 chemical sciences Electronic Optical and Magnetic Materials Characterization (materials science) law.invention symbols.namesake Transmission electron microscopy law Materials Chemistry symbols Graphite Electrical and Electronic Engineering 0210 nano-technology Raman spectroscopy |
| Zdroj: | Diamond and Related Materials. 89:239-245 |
| ISSN: | 0925-9635 |
| Popis: | Graphene shows remarkable non-linear optical behavior. Above a particular incident light intensity threshold, transmission is attenuated. Unfortunately, capitalizing on the unique properties of graphene can be a challenge because the material itself is hard to handle, unless it is integrated with other materials. The purpose of this work is to develop graphene-based nano-composites for non-linear optical applications. Few and single layer graphene flakes were synthesized through liquid phase exfoliation of graphite in 1-Methyl-2-pyrrolidinon (NMP), and characterized via Raman and transmission electron microscopy. Synthesis parameters for stable, high quality graphene suspensions were identified and graphene was integrated into nano-composites prepared via sol-gel methods. In addition to structural and chemical characterization, I-scan measurements revealed the composites demonstrated non-linear optical behavior with a cut-off frequency tunable with few layer graphene concentration in the composite. |
| Databáze: | OpenAIRE |
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