26 April 2016 Optical properties of spray coated layers with carbon nanotubes and graphene nanoplatelets
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Abstract
Carbon nanotubes as well as graphene are allotropic forms of carbon. Graphene is a two dimensional (2D) form of atomic-scale, hexagonal lattice, while carbon nanotube is a cylindrical nanostructure composed of a rolled sheet of graphene lattice at specific and discrete angles.

Both of discussed materials have a high potential for modern engineering, especially in organic and printed electronics. High transparency in the visible part of the electromagnetic spectrum and low electrical resistance are desirable features in various applications and may be fulfilled with studied carbon nanomaterials. They have chances to become an important technological improvement in customers electronic devices by applying them to electrodes production in flexible screens and light sources.

Graphene end carbon nanotubes are conceptually similar. However, characteristic properties of these two substances are different. In the article authors present the results of the transmission in visible electromagnetic spectrum characteristics of different samples. This parameter and the resistance of electrodes are tested, analysed and compared. Characteristics of optical transmittance against resistance with the optimal point of that relationship are presented in paper. Moreover, dependency of graphene nanoplatelets agglomerates arrangement against type of nano-fillers is shown.

Two groups of tested inks contain graphene nanoplatelets with different fillers diameters. The third group contains carbon nanotubes.

Described parameters are important for production process and results of analysis can be used by technologists working with elastic electronics.
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Zofia Lorenc, Jakub Krzeminski, Grzegorz Wroblewski, Leszek Salbut, "Optical properties of spray coated layers with carbon nanotubes and graphene nanoplatelets", Proc. SPIE 9890, Optical Micro- and Nanometrology VI, 98900K (26 April 2016); doi: 10.1117/12.2227371; https://doi.org/10.1117/12.2227371
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