Determination of the Number of Graphene Layers on Different Substrates by Optical Microscopy Technique



Título del documento: Determination of the Number of Graphene Layers on Different Substrates by Optical Microscopy Technique
Revista: Brazilian journal of physics
Base de datos: PERIÓDICA
Número de sistema: 000398956
ISSN: 0103-9733
Autores: 1
1
Instituciones: 1Universidade Federal do ABC, Centro de Ciencias Naturais e Humanas, Sao Paulo. Brasil
Año:
Periodo: Dic
Volumen: 44
Número: 6
Paginación: 682-686
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico
Resumen en inglés We present a method, based on transmission or reflection optical microscopy, to determine the number of graphene monolayers deposited on various substrates. To demonstrate the procedure, we synthesize graphene samples and deposit them on various substrates with the micromechanical cleavage technique. Our procedure initially relies on more classical approaches such as atomic force microscopy (AFM) and Raman to calibrate the equipment. After calibration, however, optical microscopy by itself is sufficient to characterize other samples, deposited on any substrate
Disciplinas: Física y astronomía
Palabras clave: Física de materia condensada,
Nanoestructuras,
Grafeno,
Microscopía óptica,
Microscopía de fuerza atómica
Keyword: Physics and astronomy,
Condensed matter physics,
Nanostructures,
Graphene,
Optical microscopy,
Atomic force microscopy
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