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National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Preparation of graphene quantum dots and study of their properties
 Zdražil, Lukáš ; Mikula, Milan (referee) ; Zmeškal, Oldřich (advisor)
Current methods for preparing graphene quantum dots (GQDs) rely on oxidation and reducing agents or require energy-intensive and technologically demanding preconditions. Applying microwave expansion and liquid phase exfoliation (LPE) in a sample of graphite powder enabled us to prepare GQDs that exhibit strong luminescence in the blue region of the visible spectrum. The proposed technique for synthesizing GQDs is energetically undemanding and does not necessitate additional chemical components.
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Preparation of graphene quantum dots and study of their properties
 Zdražil, Lukáš ; Mikula, Milan (referee) ; Zmeškal, Oldřich (advisor)
Current methods for preparing graphene quantum dots (GQDs) rely on oxidation and reducing agents or require energy-intensive and technologically demanding preconditions. Applying microwave expansion and liquid phase exfoliation (LPE) in a sample of graphite powder enabled us to prepare GQDs that exhibit strong luminescence in the blue region of the visible spectrum. The proposed technique for synthesizing GQDs is energetically undemanding and does not necessitate additional chemical components.
Detailed record
Annual Report ICPF of the ASCR, v. v. i. 2011
 Církva, Vladimír
Institutional publications in chemical, biochemical, environmental engineering and processes, physical chemistry , organic chemistry, industrial chemistry, and biotechnology in 2011 year.
Fulltext: content.csg - Download fulltextPDF
Plný tet: 20120515204217 - Download fulltextPDF
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Report on Preliminary Results of Laboratory Research of Microwave Expansion of Graphite
 Hájek, Milan ; Šolcová, Olga ; Sobek, Jiří
Microwaves have been used to examine possibility of transformation of graphite by expansion. It was concluded that product of microwave expansion gives product of better quality compared to conventional heating.
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