Stable White Light-Emitting Biocomposite Films

Julia Gotta; Tal Ben Shalom; Stella Aslanoglou; Anna Cifuentes-Rius; Nicolas H. Voelcker; Roey Elnathan; Oded Shoseyov; Shachar Richter

doi:10.1002/adfm.201706967

Stable White Light-Emitting Biocomposite Films

Julia Gotta, Tal Ben Shalom, Stella Aslanoglou, Anna Cifuentes-Rius, Nicolas H. Voelcker, Roey Elnathan^*, Oded Shoseyov, Shachar Richter

^*Corresponding author for this work

Institute of Plant Sciences and Genetics in Agriculture

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

The demonstration of reliable and stable white light-emitting diodes (LEDs) is one of the main technological challenges of the LED industry. This is usually accomplished by incorporation of light-emitting rare-earth elements (REEs) compounds within an external polymeric coating of a blue LED allowing the generation of white light. However, due to both environmental and cost issues, the development of low-cost REE-free coatings, which exhibit competitive performance compared to conventional white LED is of great importance. In this work, the formation of an REE-free white LED coating is demonstrated. This biocomposite material, composed of biological (crystalline nanocellulose and porcine gastric mucin) and organic (light-emitting dyes) compounds, exhibits excellent optical and mechanical properties as well as resistance to heat, humidity, and UV radiation. The coating is further used to demonstrate a working white LED by incorporating it within a commercial blue LED.

Original language	American English
Article number	1706967
Journal	Advanced Functional Materials
Volume	28
Issue number	24
DOIs	https://doi.org/10.1002/adfm.201706967
State	Published - 13 Jun 2018

Bibliographical note

Funding Information:
J.G. and T.B.S. contributed equally to this work. S.R. acknowledges the Kamin fund 56301 for the financial support. A.C-R. was supported by the National Health & Medical Research Council (NHMRC) of Australia (GNT1112432). The authors thank the support of the Monash Centre for Electron Microscopy (MCEM), Monash University, where the transmission electron microscopy analysis was performed. This work was performed in part at the Melbourne Centre for Nanofabrication (MCN) in the Victorian Node of the Australian National Fabrication Facility (ANFF). The authors would like to thank Dr. John Zhu (MCN) for performing of the confocal microscopy measurements.

Publisher Copyright:
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

bio-LEDs
crystalline nanocellulose
mucin
phosphor materials
white LEDs

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10.1002/adfm.201706967

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title = "Stable White Light-Emitting Biocomposite Films",

abstract = "The demonstration of reliable and stable white light-emitting diodes (LEDs) is one of the main technological challenges of the LED industry. This is usually accomplished by incorporation of light-emitting rare-earth elements (REEs) compounds within an external polymeric coating of a blue LED allowing the generation of white light. However, due to both environmental and cost issues, the development of low-cost REE-free coatings, which exhibit competitive performance compared to conventional white LED is of great importance. In this work, the formation of an REE-free white LED coating is demonstrated. This biocomposite material, composed of biological (crystalline nanocellulose and porcine gastric mucin) and organic (light-emitting dyes) compounds, exhibits excellent optical and mechanical properties as well as resistance to heat, humidity, and UV radiation. The coating is further used to demonstrate a working white LED by incorporating it within a commercial blue LED.",

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author = "Julia Gotta and Shalom, {Tal Ben} and Stella Aslanoglou and Anna Cifuentes-Rius and Voelcker, {Nicolas H.} and Roey Elnathan and Oded Shoseyov and Shachar Richter",

note = "Funding Information: J.G. and T.B.S. contributed equally to this work. S.R. acknowledges the Kamin fund 56301 for the financial support. A.C-R. was supported by the National Health & Medical Research Council (NHMRC) of Australia (GNT1112432). The authors thank the support of the Monash Centre for Electron Microscopy (MCEM), Monash University, where the transmission electron microscopy analysis was performed. This work was performed in part at the Melbourne Centre for Nanofabrication (MCN) in the Victorian Node of the Australian National Fabrication Facility (ANFF). The authors would like to thank Dr. John Zhu (MCN) for performing of the confocal microscopy measurements. Publisher Copyright: {\textcopyright} 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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N2 - The demonstration of reliable and stable white light-emitting diodes (LEDs) is one of the main technological challenges of the LED industry. This is usually accomplished by incorporation of light-emitting rare-earth elements (REEs) compounds within an external polymeric coating of a blue LED allowing the generation of white light. However, due to both environmental and cost issues, the development of low-cost REE-free coatings, which exhibit competitive performance compared to conventional white LED is of great importance. In this work, the formation of an REE-free white LED coating is demonstrated. This biocomposite material, composed of biological (crystalline nanocellulose and porcine gastric mucin) and organic (light-emitting dyes) compounds, exhibits excellent optical and mechanical properties as well as resistance to heat, humidity, and UV radiation. The coating is further used to demonstrate a working white LED by incorporating it within a commercial blue LED.

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Stable White Light-Emitting Biocomposite Films

Abstract

Bibliographical note

Keywords

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