نتایج جستجو برای: thin film nanocomposite

تعداد نتایج: 199046  

Journal: :Applied Surface Science 2021

Intriguing low frictional properties of 2D materials can be harnessed for thin-film lubrication in small-scale devices by making their mechano-adaptive coatings. Herein, the reduced graphene oxide-polystyrene (rGO-PS) nanocomposite synthesized single-step chemical processing oxide and polystyrene is applied to prepare self-lubricating thin film over silicon substrate. The non-covalent π-π inter...

2015
Wenyao Yang Yuetao Zhao Xin He Yan Chen Jianhua Xu Shibin Li Yajie Yang Yadong Jiang

In this paper, we demonstrate the preparation of a flexible poly (3,4-ethylenedioxythiophene) -poly (styrenesulfonate)/reduced graphene oxide (PEDOT-PSS/RGO) film with a layered structure via a simple vacuum filtered method as a high performance electrochemical electrode. The PEDOT-PSS/RGO films are characterized by scanning electron microscopy (SEM), X-ray diffraction, Raman spectroscopy, and ...

2015
Rajendran Nithya Nachiappan Meenakshi Sundaram

INTRODUCTION In recent years there has been a steep increase in the number of orthopedic patients for many reasons. One major reason is osteomyelitis, caused by pyrogenic bacteria, with progressive infection of the bone or bone marrow and surrounding tissues. So antibiotics must be introduced during bone implantation to avoid prolonged infection. AIM The objective of the study reported here w...

2005
Huimin Liu Armando Rua Omar Vasquez Valentin S. Vikhnin Felix E. Fernandez Luis F. Fonseca Oscar Resto Svi Z. Weisz

For potential ultrafast optical sensor application, both VO2 thin films and nanocomposite crystal-Si enriched SiO2 thin films grown on fused quartz substrates were successfully prepared using pulsed laser deposition (PLD) and RF co-sputtering techniques. In photoluminescence (PL) measurement c-Si/SiO2 film contains nanoparticles of crystal Si exhibits strong red emission with the band maximum r...

2017
Chuanxing Jiang Dongzhi Zhang Nailiang Yin Yao Yao Talgar Shaymurat Xiaoyan Zhou

This paper demonstrates an acetylene gas sensor based on an Ag-decorated tin dioxide/reduced graphene oxide (Ag-SnO₂/rGO) nanocomposite film, prepared by layer-by-layer (LbL) self-assembly technology. The as-prepared Ag-SnO₂/rGO nanocomposite was characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and Raman spectrum. The acetylene...

2016
Peng Liu Ying Chen Zhiwu Yu

A method to prepare novel organic-inorganic hydrophobic nanocomposite films was proposed by a site-specific polymerization process. The inorganic part, the core of the nanocomposite, is a ternary SiO₂-Al₂O₃-TiO₂ nanoparticles, which is grafted with methacryloxy propyl trimethoxyl silane (KH570), and wrapped by fluoride and siloxane polymers. The synthesized samples are characterized by transmis...

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