| Full text | |
| Author(s): |
Avila, Oriana I.
;
Almeida, Juliana M. P.
;
Henrique, Franciele R.
;
Fonseca, Ruben D.
;
Almeida, Gustavo F. B.
;
Balogh, Debora T.
;
Mendonca, Cleber R.
Total Authors: 7
|
| Document type: | Journal article |
| Source: | JOURNAL OF MATERIALS CHEMISTRY C; v. 5, n. 14 APR 14 2017. |
| Web of Science Citations: | 1 |
| Abstract | |
Poly(p-phenylenevinylene), or PPV, is a polymer of great technological relevance due to its electro-luminescence properties, which have been exploited in organic light emitting diodes, flexible displays and other optoelectronic devices. Although PPV is a material of foremost importance for many applications, its synthesis on the nano/microscale cannot be achieved through the standard method that uses heating of a precursor polymer. This paper shows how direct laser writing with femtosecond pulses can be employed for the synthesis of PPV in pre-determined regions, allowing a novel approach towards the precise fabrication of complex polymeric microcircuits. The physical-chemical phenomena involved in the conversion of the precursor into PPV are shown to be related to a two-photon induced thermal process, which is confined to the focal volume, resulting in the controlled synthesis of PPV. (AU) | |
| FAPESP's process: | 15/22392-3 - Optical nonlinearities in microstructures produced by two-photon polymerization |
| Grantee: | Franciele Renata Henrique |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 13/20884-0 - Optical and electrical active microstructures fabricated by femtosecond laser pulses |
| Grantee: | Oriana Inés Avila Salas |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| FAPESP's process: | 11/12399-0 - Femtosecond pulses applied to nonlinear optics: spectroscopy, pulse shaping and microfabrication |
| Grantee: | Cleber Renato Mendonça |
| Support Opportunities: | Research Projects - Thematic Grants |
| FAPESP's process: | 15/17058-7 - Implementation and application of LIFT with femtosecond laser in glasses of high optical nonlinearities |
| Grantee: | Juliana Mara Pinto de Almeida |
| Support Opportunities: | Scholarships in Brazil - Post-Doctoral |