نتایج جستجو برای: layered nanocomposite

تعداد نتایج: 47148  

2017
B. SATISH V. RAJENDAR K. V. RAO C. S. CHAKRA

In this current research, we described an enhanced power conversion efficiency of dye sensitized solar cell (DSSC) and fabricated through Few Layered Graphene (FLG)/CuO nanocomposite synthesized by ultrasonic assisted synthesis (UAS) by varying of FLG (1, 2 and 3 wt%) ratio. The FLG/CuOnanocomposites characteristic features understood through various microscopic techniques such as FE-SEM and HR...

2017
Megumi Kawasaki Jae-il Jang

This paper summarizes recent efforts to evaluate the potential for the formation of a metal matrix nanocomposite (MMNC) by processing two commercial bulk metals of aluminum and magnesium alloy through high-pressure torsion (HPT) at room temperature. After significant evolutions in microstructures, successful fabrication of an Al-Mg hybrid system was demonstrated by observing unique microstructu...

2011
Ahmet Nedim Ay Deniz Konuk Birgul Zümreoglu-Karan

A new nanocomposite architecture is reported which combines prolate spheroidal hematite nanoparticles with drug-carrying layered double hydroxide [LDH] disks in a single structure. Spindle-shaped hematite nanoparticles with average length of 225 nm and width of 75 nm were obtained by thermal decomposition of hydrothermally synthesized hematite. The particles were first coated with Mg-Al-NO3-LDH...

2013
Jin Hyuck Heo Sang Hyuk Im Jun Hong Noh Tarak N. Mandal Choong-Sun Lim Jeong Ah Chang Yong Hui Lee Hi-jung Kim Arpita Sarkar Md. K. Nazeeruddin Michael Grätzel Sang Il Seok

Inorganic–organic hybrid structures have become innovative alternatives for next-generation dye-sensitized solar cells, because they combine the advantages of both systems. Here, we introduce a layered sandwich-type architecture, the core of which comprises a bicontinuous three-dimensional nanocomposite of mesoporous (mp)-TiO2, with CH3NH3PbI3 perovskite as light harvester, as well as a polymer...

2012
Carola Esposito Corcione Mariaenrica Frigione

In materials research, the development of polymer nanocomposites (PN) is rapidly emerging as a multidisciplinary research field with results that could broaden the applications of polymers to many different industries. PN are polymer matrices (thermoplastics, thermosets or elastomers) that have been reinforced with small quantities of nano-sized particles, preferably characterized by high aspec...

2015
Mehdi Mehdikhani-Nahrkhalaji Mohammad Hossein Fathi Vajihesadat Mortazavi Sayed Behrouz Mousavi Ali Akhavan Abbas Haghighat Batool Hashemi-Beni Sayed Mohammad Razavi Fatemeh Mashhadiabbas

BACKGROUND The aim of this study was to evaluate the interaction of bioactive and biodegradable poly (lactide-co-glycolide)/bioactive glass/hydroxyapatite (PBGHA) and poly (lactide-co-glycolide)/bioactive glass (PBG) nanocomposite coatings with bone. MATERIALS AND METHODS Sol-gel derived 58S bioactive glass nanoparticles, 50/50 wt% poly (lactic acid)/poly (glycolic acid) and hydroxyapatite na...

2012
S. Govindan E. A. K. Nivethaa R. Saravanan V. Narayanan A. Stephen

Chitosan–silver (CS–Ag) nanocomposite materials were synthesized by a simple chemical method. The synthesized CS–Ag nanocomposite contains 20 wt% silver. Silver nanoparticles were synthesized by chemical reduction method as well. The CS–Ag nanocomposite was characterized using Field emission scanning electronic microscope (FESEM), X-ray diffraction (XRD) and Fourier transform infrared spectrosc...

2018
Eman M. Fayyad Aboubakr M. Abdullah Mohammad K. Hassan Adel M. Mohamed Chuhong Wang George Jarjoura Zoheir Farhat

Dispersion of 2D carbon nitride (C3N4) nanosheets into a nickel phosphorous (NiP) matrix was successfully achieved by ultrasonication during the electroless plating of NiP from an acidic bath. The morphology and thickness, elemental analysis, phases, roughness, and wettability for as-plated and heat-treated nanocomposite were determined by scanning electron microscopy, energy-dispersive X-ray s...

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