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. 2019 Dec 21;10(1):32.
doi: 10.3390/nano10010032.

Graphene Oxide with Controlled Content of Oxygen Groups as a Filler for Polymer Composites Used for Infrared Radiation Shielding

Marta Mazurkiewicz-Pawlicka  1 , Maksymilian Nowak  1 , Artur Malolepszy  1 , Andrzej Witowski  2 , Dariusz Wasik  2 , Yi Hu  3 , Leszek Stobinski  4   5
Affiliations

Graphene Oxide with Controlled Content of Oxygen Groups as a Filler for Polymer Composites Used for Infrared Radiation Shielding

Marta Mazurkiewicz-Pawlicka et al. Nanomaterials (Basel). .

Abstract

Infrared (IR) shielding materials are commonly used for different applications, such as smart windows or optical filters. Infrared radiation is responsible for about 50% of the energy coming from the sun. During a hot summer or cold winter a lot of energy is needed to keep the optimal temperature inside buildings and means of transport. To reduce the heat transmission and save energy IR shielding materials can be used as coatings made of polymer composites. Graphene oxide (GO) and its reduced forms have interesting IR absorption properties and might be used as a filler in a polymer matrix for IR shielding applications. Graphene oxide can be reduced by different methods. Depending on the reduction method reduced graphene oxide (rGO) with a different content of oxygen can be obtained exhibiting different properties. In this work we propose new polymer nanocomposites with poly(vinyl alcohol) as the matrix and 0.1 wt.% addition of graphene materials with different oxygen content to be used for IR shielding applications. The results show that the properties of the graphene filler strongly influence the infrared shielding properties of the obtained nanocomposites. The best IR shielding properties were obtained for the composites where rGO with the lowest oxygen content was used.

Keywords: graphene oxide; infrared shielding; polymer nanocomposites; reduced graphene oxide.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Equipment for temperature measurements: (a) scheme (cross-section of the measurement tube on the left), (b) photo.
Figure 2
Figure 2
(a) Thermogravimetric analysis (TGA) and (b) derivative thermogravimetric (DTG) curves of obtained graphene materials.
Figure 2
Figure 2
(a) Thermogravimetric analysis (TGA) and (b) derivative thermogravimetric (DTG) curves of obtained graphene materials.
Figure 3
Figure 3
Fourier transform infrared (FT-IR) spectra of graphene materials in (a) attenuated total reflectance (ATR) and (b) transmission modes.
Figure 4
Figure 4
Ultraviolet–visible near infrared (UV–Vis-NIR) transmission spectra of polymer nanocomposites.
Figure 5
Figure 5
Mid-infrared (MIR) transmission spectra of polymer nanocomposites.
Figure 6
Figure 6
Temperature measurements of polymer nanocomposites.
Figure 7
Figure 7
Thermogravimetric measurements of polymer nanocomposites.
See this image and copyright information in PMC

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