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Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment
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Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

DOI:
10.3791/52720-v

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08:48 min

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November 09, 2015

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, ,
1Laboratory for Quantum Semiconductors and Photon-based BioNanotechnology, Interdisciplinary Institute for Technological Innovation, Laboratoire Nanotechnologies Nanosystèmes (LN2)- CNRS UMI-3463, Faculty of Engineering,Université de Sherbrooke

Capítulos

  • 00:05Título
  • 01:24Sample Preparation
  • 02:16Pulsed UV Laser Irradiation in Liquid Environment
  • 03:18Immobilization of Bio-conjugated Nanospheres
  • 03:56Contact Angle Measurement
  • 05:05XPS Measurement
  • 05:52Results: Pulsed UV Laser Irradiation Increases SiOH Surface Concentration
  • 07:10Conclusion

Summary

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We report on a process of in situ alteration of HF treated Si (001) surface into a hydrophilic or hydrophobic state by irradiating samples in microfluidic chambers filled with H2O2/H2O solution (0.01%-0.5%) or methanol solutions using pulsed UV laser of a relative low pulse fluence.

Tags

Keywords: Silicon Surface WettabilityPulsed UV Laser IrradiationLiquid EnvironmentSuperhydrophilicHydrophobicSurface FunctionalizationBiosensingOH-terminated SiSi-OCH3 Compounds

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