Browsing by Subject "Atomic force microscopy"
Now showing items 1-12 of 12
-
Anticoagulant activity of cellulose nanocrystals from isora plant fibers assembled on cellulose and sio2 substrates via a layer-by-layer approach
( MDPI AG , 2021 , Article)In this study, we report the isolation of cellulose nanocrystals (CNCs) from Isora plant fibers by sulfuric acid hydrolysis and their assembly on hydrophilic cellulose and silicon-di-oxide (SiO2) surfaces via a layer-by-layer ... -
Effect of sulfonated poly (ether ether ketone) on the sensitivity of polyvinylidene fluoride-based resistive humidity sensors
( Elsevier Ltd , 2020 , Article)We have investigated the effect of sulfonated poly (ether ether ketone) (SPEEK) on the thermal stability, hydrophilicity, and sensitivity of polyvinylidene fluoride (PVDF) films based resistive humidity sensors. The blended ... -
Electro-sprayed PVA coating with texture-enriched surface morphology for augmented humidity sensing
( Elsevier B.V. , 2018 , Article)This article reports the modified surface morphology of Poly-vinyl Alcohol (PVA) films using electro-spraying coating technique. Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were conducted to examine ... -
Graphene oxide reinforced polyvinyl alcohol/polyethylene glycol blend composites as high-performance dielectric material
( Springer Netherlands , 2016 , Article)Novel flexible dielectric composites composed of polyvinyl alcohol (PVA), polyethylene glycol (PEG), and graphene oxide (GO) with high dielectric constant and low dielectric loss have been developed using facile and ... -
Humidity sensor based on electrospun MEH-PPV:PVP microstructured composite
( Royal Society of Chemistry , 2016 , Article)The present study demonstrates a solution-processed humidity sensor based on poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene]:polyvinylpyrrolidone (MEH-PPV:PVP) organic microstructured composite thin film. The ... -
Impact of Aging on the Microstructure of Asphalt Binder Modified with Antioxidant Additives and Copolymers
( Chinese Society of Pavement Engineering , 2023 , Article)The effect of long-term aging on asphalt binders mixed with antioxidant additives and copolymers demonstrated potential for retarding oxidative aging at the nanoscale based on atomic force microscopy (AFM) characterization. ... -
Mechanism of GaAs surface sulfidation
( Electrochemical Science Group , 2014 , Article)The mechanism of GaAs sulfidation under illumination and potentiodynamic polarization was investigated in acidified thiourea (TU) electrolytes. Sulfidation generated smooth surfaces, as revealed by scanning electron ... -
Poly(aniline-co-o-nitroaniline): transport properties using electrochemical impedance spectroscopy
( Springer Science and Business Media Deutschland GmbH , 2020 , Article)Highly uniform ac conductivity and dielectric permittivity of poly(aniline-co–o-nitroaniline) (PA-co-o-NA)s have been recorded by using electrochemical impedance spectroscopy in the frequency range of 10–2–107 Hz. Also, ... -
Preparation and characterization of green graphene using grape seed extract for bioapplications
( Elsevier Ltd , 2016 , Article)The development of functionalized graphene materials concerning health and environmental aspects via green approaches is currently the most recent topic in the field of nanoscience and nanotechnology. Herein, we report the ... -
Revealing the improved sensitivity of PEDOT:PSS/PVA thin films through secondary doping and their strain sensors application
( Royal Society of Chemistry , 2023 , Article)The field of strain sensing involves the ability to measure an electrical response that corresponds to a strain. The integration of synthetic and conducting polymers can create a flexible strain sensor with a wide range ... -
Synthesis of 2D-Mesoporous-Carbon/MoS2Heterostructures with Well-Defined Interfaces for High-Performance Lithium-Ion Batteries
( Wiley-VCH Verlag , 2016 , Article)[No abstract available] -
Unconventional experimental technologies used for phase change materials (PCM) characterization: Part 2 - Morphological and structural characterization, physico-chemical stability and mechanical properties
( Elsevier Ltd , 2015 , Article)Due to the high interest of appropriate characterization of PCM and hybrid PCM composites, different research centres and universities are using several material characterization techniques not commonly used with PCM, to ...