The patterning of sub-500 nm inorganic oxide and semiconducting polymeric structures

  • Meredith J. Hampton
  • , Stuart S. Williams
  • , Zhilian Zhou
  • , Janine Nunes
  • , Doo Hyun Ko
  • , Joseph L. Templeton
  • , Joseph M. DeSimone
  • , Edward T. Samulski

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The Pattern Replication In Non-wetting Templates (PRINT) technique has been extended to patterning of isolated features as well as embossed films of sub-500 nm "hard" inorganic oxides and nanocrystalline semiconductors and "soft" semiconducting polymers including TiO2, SnO 2, ZnO, ITO, BaTiO3, CdSe, poly(3-hexylthiophene) (P3HT), Poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV), and other polythiophene derivatives. The low surface energy, chemically resistant, air permeable elastomeric perflouropolyether (PFPE) based molds allow for numerous materials to be patterned on a variety of substrates including glass, transparent conductive oxides, and thin films of conducting polymer for a wide range of electronic and optical applications. Additionally, PRINT has been employed to pattern features with aspect ratios greater than 1, deposit a second layer of features on top of an initial layer without pattern destruction, and replicate sub-100 nm sized features for photovoltaics applications. Materials and patterns generated in this work were characterized using a variety of techniques including: Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), and X-ray Diffraction (XRD).

Original languageEnglish
Title of host publicationNanoscale Photonic and Cell Technologies for Photovoltaics
DOIs
StatePublished - 2008
Externally publishedYes
EventNanoscale Photonic and Cell Technologies for Photovoltaics - San Diego, CA, United States
Duration: 11 Aug 200813 Aug 2008

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7047
ISSN (Print)0277-786X

Conference

ConferenceNanoscale Photonic and Cell Technologies for Photovoltaics
Country/TerritoryUnited States
CitySan Diego, CA
Period11/08/0813/08/08

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Conjugated polymer
  • Inorganic oxide
  • Perfluoropolyether
  • Photovoltaics
  • Soft lithography

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