Fabrication of Nanogratings on Nanocellulose Films Using a Roll-to-Roll Nanoimprinting Method

Research output: Contribution to conferenceConference articleScientific

Abstract

Nanocellulosic films prepared using mechanically disintegrated cellulose nanofibrils (CNF) and TEMPO-oxidised nanofibrils (TEMPO-CNF) are patterned using thermal R2RNIL. Although CNF films are brittle and they are not thermoplastic with clear softening points, we have shown earlier that the mechanical patterning of the film is possible. Our earlier works demonstrate the micropatterning of CNF films with an interesting temperature dependency and simultaneously the nanoimprinting process smoothed the film surface roughness. In this work we demonstrate the fabrication of roll-to-roll printed nanograting structures with dimensions down to 90 nm. Temperature, printing speed, pressure are and humidity of the films are varied and effect to the printing quality discussed.
Original languageEnglish
Publication statusPublished - 2016
Event29th International Microprocesses and Nanotechnology Conference, MNC 2016 - Kyoto, Japan
Duration: 8 Nov 201611 Nov 2016

Conference

Conference29th International Microprocesses and Nanotechnology Conference, MNC 2016
Abbreviated titleMNC 2016
CountryJapan
CityKyoto
Period8/11/1611/11/16

Keywords

  • nanoimprinting
  • roll to roll
  • nanocellulose
  • CNF
  • TEMPO-CNF

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