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Nanocolloid Quantum Dot Inks for Ink Jet: Recent Developments and Potential Applications

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Abstract:

Quantum dots (QDs) represent a unique subset of nanomaterials characterized by their quantum confinement behavior. Most notably this manifests itself in nanocrystalline semiconductor materials which below a critical dimension (particle size typically < 10 nm), and in contrast to their bulk form, exhibit a remarkable transformation in optical, electronic or magnetic property behavior. From an applications/device perspective they can be predictably tuned according to their size, shape and intrinsic solid state properties. Originally exploitation of this unique behavior was limited to the fabrication of solid state electronic and optoelectronic devices incorporating, for example, epitaxially grown QDs. More significant however has been the recent advent of wet-chemically synthesized QDs, available in a colloidally dispersed form making them amenable to ink jet printing as well as other liquid deposition technologies. These colloidal products now promise to open up commercial opportunities for a myriad of new uses.

Document Type: Research Article

Publication date: January 1, 2005

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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