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Evaluation of interfacial phenomena between polymer-graphene that governing the CVD graphene dry transfer process to polymeric substrates

Grant number: 16/09608-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2016
Effective date (End): July 31, 2017
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal Investigator:Guilhermino José Macêdo Fechine
Grantee:Matheus Rodrigues Mendes Sousa
Home Institution: Centro de Pesquisas Avançadas em Grafeno, Nanomateriais e Nanotecnologia (MackGrafe). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil
Associated research grant:12/50259-8 - Graphene: photonics and opto-electronics: UPM-NUS collaboration, AP.SPEC


Graphene obtained by Chemical Vapor Deposition (CVD) is the most appropriate one to industrial scale applications, since samples with dimensions on the order of centimeters are easily obtained. After the production of graphene, its transference is needed to the varied applications. Many techniques have been developed for that, but the only one to provide defect-free graphene (such as cracks and/or wrinkles) excluding the chemical attack step is the "Direct Dry Transfer - DDT". This project aims to understanding the graphene-polymer interface phenomena that rule the transfer process by a further study which evaluate these phenomena, thereby allowing the mastery of the technique. The project will utilize the infrastructure of the SPEC project "Graphene: photonics and optic-electronics" (2012/50259-8) and also of the Regular Project (2014/22840-3) entitled "Direct dry transfer of CVD-graphene to bidimensional and tridimensional polymeric substrates" as a basis for execution of project activities. The evaluation of the graphene-polymer interface phenomena will be executed by a controlled experimental methodology, with measures of contact angles and AFM and polymer oscillatory rheological tests, analyzing the results in a way to improve the DDT technique. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DA COSTA, M. C. E.; SOUSA, M. R. M.; LARRUDE, D. R. G.; FECHINE, G. J. M. Adhesion between graphene and polymers: A surface analysis perspective. EXPRESS POLYMER LETTERS, v. 13, n. 1, p. 52-64, JAN 2019. Web of Science Citations: 1.

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