Multi-layered nanoscale cellulose/CuInS2 sandwich type thin films

Michael Weißl, Thomas Rath, Jürgen Sattelkow, Harald Plank, Samuel Eyley, Wim Thielemans, Gregor Trimmel, Stefan Spirk

Research output: Contribution to journalArticleResearchpeer-review

Abstract

A generic procedure for the manufacturing of cellulose-metal sulfide multilayered sandwich type thin films is demonstrated at the example of copper indium sulfide. These multilayers were created by alternate spin coating steps of precursors, followed by their conversion using either acidic vapors, or heat treatment. As precursors, cellulose xanthate, a widely available cellulose derivative employed in viscose fiber manufacturing and commercial copper and indium xanthates were used. After conversion of the single layers into cellulose and copper indium sulfide, the film properties (structure, thickness, photoelectric activity) of the single and multilayer systems consisting of alternate layers of cellulose and copper indium sulfide were studied. For the proof of concept, up to five layers were built up, showing a clear separation of the cellulose and the metal sulfide layers as demonstrated using cross sectional analysis using ion slope beam cutting and SEM imaging. Finally, the conversion of xanthates was performed using UV light and a mask, allowing for the creation of 2D patterns.
LanguageEnglish
Pages219-227
Number of pages9
JournalCarbohydrate polymers
Volume203
DOIs
StatusPublished - 1 Jan 2019

Keywords

  • Cellulose thin films
  • Cellulose xanthate
  • Copper indium sulfide
  • Metal xanthates
  • Multilayer systems

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Organic Chemistry

Fields of Expertise

  • Advanced Materials Science

Treatment code (Nähere Zuordnung)

  • Experimental

Cite this

Multi-layered nanoscale cellulose/CuInS2 sandwich type thin films. / Weißl, Michael; Rath, Thomas; Sattelkow, Jürgen; Plank, Harald; Eyley, Samuel; Thielemans, Wim; Trimmel, Gregor; Spirk, Stefan.

In: Carbohydrate polymers, Vol. 203, 01.01.2019, p. 219-227.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Thielemans, Wim

AU - Trimmel, Gregor

AU - Spirk, Stefan

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