نتایج جستجو برای: graphene oxideag nanocomposite

تعداد نتایج: 62483  

2016
Meysam Tabandeh-Khorshid Benjamin F. Schultz Pradeep K. Rohatgi Rani Elhajjar

Citation: Tabandeh-Khorshid M, Schultz BF, Rohatgi PK and Elhajjar R (2016) The Diametrically Loaded Cylinder for the Study of Nanostructured Aluminum–Graphene and Aluminum–Alumina Nanocomposites Using Digital Image Correlation. Front. Mater. 3:22. doi: 10.3389/fmats.2016.00022 The Diametrically Loaded Cylinder for the Study of Nanostructured Aluminum–Graphene and Aluminum–Alumina Nanocomposite...

We developed a facile strategy for preparation of heteropoly metalate/graphene oxide nanocomposite as a new ion exchanger for cadmium ion removal from aqueous solution. The synthesized nanocomposite was characterized by X-ray powder diffraction (XRD), UV-Vis spectroscopy, FT-IR spectroscopy and Raman spectroscopy. Our findings indicated that the combination of heteropoly metalate nanoparticles ...

2015
Changbao Zhu Peter Kopold Weihan Li Peter A. van Aken Joachim Maier Yan Yu

Transition metal sulfides have a great potential for energy storage due to the pronouncedly higher capacity (owing to conversion to metal or even alloy) than traditional insertion electrode materials. However, the poor cycling stability still limits the development and application in lithium and sodium ion batteries. Here, taking SnS as a model material, a novel general strategy is proposed to ...

2012
Xiaoqiang An Jimmy C. Yu Yu Yongming Hu Xuelian Yu Guangjin Zhang

Xiaoqiang An, Jimmy C. Yu,Yu Wang, Yongming Hu, Xuelian Yu and Guangjin Zhang a Department of Chemistry and Institute of Environment, Energy and Sustainability, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China E-mail: [email protected] b Department of Applied Physics and Materials Research Center, The Hong Kong Polytechnic University, Hong Kong SAR, PR China c Inst...

2017
Luigi Botta Roberto Scaffaro Fiorenza Sutera Maria Chiara Mistretta

This work reports a study on the effect of multiple reprocessing on the properties of poly(lactic acid) (PLA) filled with graphene nanoplatelets (GnP) compared to the melt reprocessed neat polymeric matrix. In particular, morphological, X-Ray Diffraction and Micro-Raman analyses, intrinsic viscosity measurements, thermal, rheological and mechanical tests were carried out on materials reprocesse...

2017
Wenkun Zhu Tao Chen Yi Li Jia Lei Xin Chen Weitang Yao Tao Duan

This study was inspired by the unique multi-scale and multi-level 'brick-and-mortar' (B&M) structure of nacre layers. We prepared the B&M, environmentally-friendly graphene oxide-carrageenan (GO-Car) nanocomposite films using the following steps. A natural polyhydroxy polymer, carrageenan, was absorbed on the surface of monolayer GO nanosheets through hydrogen-bond interactions. Followi...

2017
Hongwei Tian Xin Xue Xiaoying Hu Xiaoyi Wang Xiaoguang Duan

Mesoporous TiO2/reduced graphene oxide/Ag (TiO2/RGO/Ag) ternary nanocomposite with an effective electron transfer pathway is obtained by an electrostatic self-assembly method and photo-assisted treatment. Compared with bare mesoporous TiO2 (MT) and mesoporous TiO2/RGO (MTG), the ternary mesoporous TiO2/RGO/Ag (MTGA) nanocomposite exhibited superior photocatalytic performance for the degradation...

2016
Charlette M. Parnell Bijay Chhetri Andrew Brandt Fumiya Watanabe Zeid A. Nima Thilak K. Mudalige Alexandru S. Biris Anindya Ghosh

Platinum electrodes are commonly used electrocatalysts for oxygen reduction reactions (ORR) in fuel cells. However, this material is not economical due to its high cost and scarcity. We prepared an Mn(III) catalyst supported on graphene and further coated with polydopamine, resulting in superior ORR activity compared to the uncoated PDA structures. During ORR, a peak potential at 0.433 V was re...

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