Fabrication of Conductive Polymeric Arrays using Direct Laser Interference micro/nano Patterning

MRS Online Proceedings Library volume 1030, Article number: 601 (2007) Cite this article

Abstract

Thin films of polyaniline (PANI) deposited onto different substrates were nano-structured using direct laser interference patterning (DLIP) at room temperature and pressure in air atmosphere. Regular line-like arrays with thicknesses up to 600 nm were fabricated by means of this technique in only one single step. The activity of the remained polyaniline was determined by monitoring its doping level using Energy Dispersive X-Ray Analysis (EDX), while its chemical structure was confirmed by Fourier Transform Infrared Spectroscopy using Attenuated Transmission Reflectance (FTIR-ATR). The structuring mechanisms of PANI supported in both polycarbonate (PC) and polyimide (PI) films were demonstrated using cross-sectional analyses performed with a dual-beam workstation (FIB/SEM Tomography). Moreover, by varying the fluence of the laser beam, it is possible to control the width of the PANI arrays, and large areas (mm2 - cm2) could be patterned. Additionally, electrical resistance measurements of the individual PANI strips demonstrated that electrical properties of unmodified regions remain unchanged.

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Affiliations

  1. W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 30332-0405, Atlanta, GA, USA

    Andrés Lasagni

  2. Functional Materials, Saarland University, Saarbruecken, Germany

    Andrés Lasagni, Diego Acevedo & Frank Muecklich

  3. Departamento de Química, Universidad Nacional de Río Cuarto, X5804ZAB, Río Cuarto, Argentina

    Diego Acevedo & Cesar Barbero

Authors
  1. Andrés Lasagni
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  2. Diego Acevedo
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  3. Cesar Barbero
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  4. Frank Muecklich
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Correspondence to Andrés Lasagni.

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Lasagni, A., Acevedo, D., Barbero, C. et al. Fabrication of Conductive Polymeric Arrays using Direct Laser Interference micro/nano Patterning. MRS Online Proceedings Library 1030, 601 (2007). https://doi.org/10.1557/PROC-1030-G06-01

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