Issue 16, 2012
From the journal:

Nanoscale

Strong enhancement of second harmonic generation in 2-methyl-4-nitroaniline nanofibers

Dmitry Isakov,*a   Etelvina de Matos Gomes,a   Michael Scott Belsley,a   Bernardo Almeidaa  and  Nuno Cercab  

* Corresponding authors

a University of Minho, Center of Physics, Campus de Gualtar, 4710-059 Braga, Portugal
E-mail: dmitry@fisica.uminho.pt
Fax: +351 253 604061
Tel: +351 253 604061

b University of Minho, Center of Biological Engineering–Institute of Biotechnology and Bioengineering, Campus de Gualtar, 4710-057 Braga, Portugal

Abstract

An effective control of the second harmonic generation (SHG) efficiency in electrospun nanofibers of nonlinear optically active 2-methyl-4-nitroaniline and carrier polymer poly(L-lactic acid) (MNA-PLLA) is presented. The SHG efficiency of the MNA-PLLA fibers strongly depends on the diameter of the nanofibers and can be increased up to an order of magnitude by controlling the electrospinning processing parameters. For optimal electrospinning process conditions, MNA-PLLA nanofibers with an effective nonlinear optical coefficient that is two orders of magnitude greater than the counterpart bulk powder MNA may be obtained. The work can be used as a guideline for the manufacture of nanophotonic devices.

Graphical abstract: Strong enhancement of second harmonic generation in 2-methyl-4-nitroaniline nanofibers

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Article information

DOI
https://doi.org/10.1039/C2NR30771E
Article type
Paper
Submitted
30 Mar 2012
Accepted
15 Jun 2012
First published
19 Jun 2012

Nanoscale, 2012,4, 4978-4982

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Strong enhancement of second harmonic generation in 2-methyl-4-nitroaniline nanofibers

D. Isakov, E. de Matos Gomes, M. S. Belsley, B. Almeida and N. Cerca, Nanoscale, 2012, 4, 4978 DOI: 10.1039/C2NR30771E

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