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Drop-on-Demand Ink-jet printing of Functional Materials: Case Studies of SU8 and NC based Polymer Nanocomposites

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Ink-jet printing technique allows locally and precisely dispensing of materials for the manufacturing of micro-scale structures. We present two different applications: i) fabrication of convex microlenses using SU-8 a photo-curable epoxy-based polymer and ii) printing of color pixel arrays using differently sized CdSe@ZnS core-shell type nanocrystals (NCs) embedded in polystyrene. Patterns of such materials are printed on different substrates. We investigated the influence of the surface conditions on the size and shape of the printed patterns, which is affected by wetting properties. The size dependent optical properties of the NC based nanocomposite inks have been demonstrated to be retained in the printed structures.

Document Type: Research Article

Publication date: 2008-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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