Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6339
Title: Integration of triboluminescent EuD4TEA crystals to transparent polymers: Impact sensor application
Authors: İncel, Anıl
Eanes, Mehtap
McMillen, Colin D.
Demir, Mustafa Muammer
İncel, Anıl
Eanes, Mehtap
Demir, Mustafa Muammer
Keywords: Optical composites
Blending
Piezoelectricity
Surface impregnation
Triboluminescence
Issue Date: Feb-2017
Publisher: American Chemical Society
Source: İncel, A., Emirdag-Eanes, M., McMillen, C. D., and Demir, M. M. (2017). Integration of triboluminescent EuD4TEA crystals to transparent polymers: Impact sensor application. ACS Applied Materials and Interfaces, 9(7), 6488-6496. doi:10.1021/acsami.6b16330
Abstract: Lanthanide-based organometallic materials are well-known candidate triboluminescent (TL) materials that can show bright emission when a mechanical force is applied. These materials are usually in the form of crystalline powders, and it is often useful to integrate these samples into a polymer matrix in order to achieve processability, enabling coating from a solution/molten state or fabrication as a complex-shaped matrix. In this work, micrometer-sized europium tetrakis (dibenzoylmethide) triethylammonium (EuD4TEA) crystals were synthesized and integrated with various transparent polymers (PMMA, PS, PVDF, and PU) using two approaches: (i) blending and (ii) surface impregnation. In the former method, the crystalline particles were molecularly dissolved; therefore, a TL response cannot be achieved. More than 10 wt % TL crystals in the composite is needed to obtain TL signals. However, TL signal was achieved at 2.5 wt % when a composite was prepared by the latter approach. TL intensity shows exponential decay with consecutive mechanical action. The TL emission of PU-based surface impregnated composite expires with long-lived emission, and maximum TL response with respect to applied force was measured between 2.45 and 42.0 N.
URI: http://doi.org/10.1021/acsami.6b16330
http://hdl.handle.net/11147/6339
ISSN: 1944-8244
1944-8244
1944-8252
Appears in Collections:Chemistry / Kimya
Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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