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制备方法对还原氧化石墨烯/聚甲基丙烯酸甲酯纳米复合材料拉伸性能、形态及太阳能转换效率的影响

Effect of Preparation Methods on the Tensile, Morphology and Solar Energy Conversion Efficiency of RGO/PMMA Nanocomposites.

作者信息

Kee Shin Yiing, Munusamy Yamuna, Ong Kok Seng, Lai Koon Chun

机构信息

Department of PetroChemical Engineering, Faculty of Engineering and Green Technology, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar, Perak 31900, Malaysia.

Department of Industrial Engineering, Faculty of Engineering and Green Technology, Universiti Tunku Abdul Rahman, Jalan Universiti, Bandar Barat, Kampar, Perak 31900, Malaysia.

出版信息

Polymers (Basel). 2017 Jun 18;9(6):230. doi: 10.3390/polym9060230.

DOI:10.3390/polym9060230
PMID:30970908
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6432216/
Abstract

In this study, reduced graphene oxide (RGO)/polymethyl methacrylate (PMMA) nanocomposites were prepared by employing in situ polymerization and solution blending methods. In terms of mechanical properties, RGO loading increased the Young's modulus but decreased the elongation at break for RGO/PMMA nanocomposites. Tensile strength for solution blended RGO/PMMA nanocomposites increased after adding 0.5 wt % RGO, which was attributed to the good dispersion of RGO in the nanocomposites as evidenced from SEM and TEM. Solar energy conversion efficiency measurement results showed that the optimum concentration of RGO in the RGO/PMMA nanocomposites was found to be 1.0 wt % in order to achieve the maximum solar energy conversion efficiency of 25%. In the present study, the solution blended nanocomposites exhibited better overall properties than in situ polymerized nanocomposites owing to the better dispersion of RGO in solution blending. These findings would contribute to future work in search of higher conversion efficiency using nanocomposites.

摘要

在本研究中，采用原位聚合法和溶液共混法制备了还原氧化石墨烯（RGO）/聚甲基丙烯酸甲酯（PMMA）纳米复合材料。就力学性能而言，RGO的负载量增加了RGO/PMMA纳米复合材料的杨氏模量，但降低了其断裂伸长率。对于溶液共混的RGO/PMMA纳米复合材料，添加0.5 wt%的RGO后拉伸强度增加，这归因于RGO在纳米复合材料中的良好分散，扫描电子显微镜（SEM）和透射电子显微镜（TEM）的结果证明了这一点。太阳能转换效率测量结果表明，为了实现25%的最大太阳能转换效率，RGO/PMMA纳米复合材料中RGO的最佳浓度为1.0 wt%。在本研究中，由于RGO在溶液共混中的分散性更好，溶液共混的纳米复合材料比原位聚合的纳米复合材料表现出更好的综合性能。这些发现将有助于未来利用纳米复合材料寻找更高转换效率的工作。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/87504e7a5557/polymers-09-00230-g019.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/87504e7a5557/polymers-09-00230-g019.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/b19535b2f462/polymers-09-00230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/35bdf6d9a616/polymers-09-00230-g002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/c2f2d2be34b1/polymers-09-00230-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/518e0b6e87a0/polymers-09-00230-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/67624a7c7121/polymers-09-00230-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/a50c381700a4/polymers-09-00230-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/0dd4b7cbb2d5/polymers-09-00230-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/b446d0aad5b9/polymers-09-00230-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/820894c7256a/polymers-09-00230-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/b74dc23f1af2/polymers-09-00230-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/982ec225a3c7/polymers-09-00230-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/87b8bff7ce2b/polymers-09-00230-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/ab658d07e2c5/polymers-09-00230-g018.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4bb0/6432216/87504e7a5557/polymers-09-00230-g019.jpg

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