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Adjustable Photoluminescence of Peptide Nanotubes Coatings

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Abstract:

Peptide nanotubes (PNTs) have become a significant subject at the biological and bionanotechnology field. Here we describe the spectroscopic analysis of PNTs coatings, which were deposited by a physical vapor deposition technology. We show that we can adjust the electronic, and consequently the spectroscopic, photoluminescence (PL) properties of the PNT coatings, simply by changing the parameters of the PNT deposition. We show that by controlling the PNT deposition parameters we can observe different PL properties of the PNT coatings and significantly strengthen the PL in the visible blue region. We further explain that the strong blue emission is resulting from the conversion of the monomers to a different chemical structure. The strong blue emission, and our ability to adjust it, promotes the use of the PNTs as organic materials for light emitting devices.

Keywords: ORGANIC COATINGS; PEPTIDE NANOTUBES; PHOTOLUMINESCENCE; VAPOR DEPOSITION

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.4278

Publication date: 2011-10-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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