Azopolymers surface structuring by femtosecond pulses (2020)
- Authors:
- USP affiliated author: SILVA, KAUÊ LIMA CURVELO DA - IFSC
- School: IFSC
- Subjects: PROPRIEDADES DOS MATERIAIS; LASER; POLÍMEROS (MATERIAIS)
- Language: Inglês
- Abstract: The use of femtosecond laser to modify the surface of polymeric materials has received great attention in the last decade, due to the possibilities of tailoring the material’s properties yielding technological applications. This work presents the microfabrication of an azopolymer by using femtosecond laser pulses, aiming at the control of surface wettability. To begin with, a concise introduction to nonlinear optics and ultrashort pulses theory is given, as well as the main theoretical model for wettability in rough surfaces. Secondly, the experimental basis and setups for femtosecond laser microfabrication are described, alongside with the most important features of the azopolymer used. To conclude, the results of microfabrication characterization and the surface wettability control are presented. By properly patterning the polymeric surface structure, we were able to increase the surface hydrophilicity, decreasing the water contact angle by about 15 degrees
- Imprenta:
- Place of publication: São Carlos
- Date published: 2020
-
ABNT
SILVA, Kaue Lima Curvelo. Azopolymers surface structuring by femtosecond pulses. 2020. Trabalho de Conclusão de Curso (Graduação) – Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos, 2020. Disponível em: https://bdta.abcd.usp.br/directbitstream/934309e6-fbcd-4b40-8b7f-d9d4938b1027/Kau%C3%AA%20Lima%20Curvelo%20da%20Silva.pdf. Acesso em: 16 abr. 2024. -
APA
Silva, K. L. C. (2020). Azopolymers surface structuring by femtosecond pulses (Trabalho de Conclusão de Curso (Graduação). Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos. Recuperado de https://bdta.abcd.usp.br/directbitstream/934309e6-fbcd-4b40-8b7f-d9d4938b1027/Kau%C3%AA%20Lima%20Curvelo%20da%20Silva.pdf -
NLM
Silva KLC. Azopolymers surface structuring by femtosecond pulses [Internet]. 2020 ;[citado 2024 abr. 16 ] Available from: https://bdta.abcd.usp.br/directbitstream/934309e6-fbcd-4b40-8b7f-d9d4938b1027/Kau%C3%AA%20Lima%20Curvelo%20da%20Silva.pdf -
Vancouver
Silva KLC. Azopolymers surface structuring by femtosecond pulses [Internet]. 2020 ;[citado 2024 abr. 16 ] Available from: https://bdta.abcd.usp.br/directbitstream/934309e6-fbcd-4b40-8b7f-d9d4938b1027/Kau%C3%AA%20Lima%20Curvelo%20da%20Silva.pdf
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