نتایج جستجو برای: nano structured materials

تعداد نتایج: 602431  

2017
Jung-Jin Lee Jung-Yun Choi Jae-Min Seo

PURPOSE The purpose of this study was to evaluate the effect of nano-structured alumina surface coating on shear bond strength between Y-TZP ceramic and various dual-cured resin cements. MATERIALS AND METHODS A total of 90 disk-shaped zirconia specimens (HASS CO., Gangneung, Korea) were divided into three groups by surface treatment method: (1) airborne particle abrasion, (2) tribochemicalsil...

Journal: :Nanoscale 2010
Dönüs Tuncel Hilmi Volkan Demir

Conjugated polymer nanoparticles are highly versatile nano-structured materials that can potentially find applications in various areas such as optoelectronics, photonics, bio-imaging, bio-sensing and nanomedicine. Their straightforward synthesis in desired sizes and properties, biocompatibility and non-toxicity make these materials highly attractive for the aforementioned applications. This fe...

Journal: :Nanoscale 2014
Kasim Ocakoglu Khurram S Joya Ersan Harputlu Anna Tarnowska Daniel T Gryko

Self-assembled supramolecular organization of nano-structured biomimetic light-harvesting modules inside solid-state nano-templates can be exploited to develop excellent light-harvesting materials for artificial photosynthetic devices. We present here a hybrid light-harvesting system mimicking the chlorosomal structures of the natural photosynthetic system using synthetic zinc chlorin units (Zn...

Journal: :Chemical Engineering Journal 2022

One of the main pillars sustainable development is preparation functional materials derived from renewable resources. Nevertheless, facile methods to convert lignocellulosic biomass into value-added, highly remain limited. Here, we evaluate potential an acid-free method a variety charged micro- and nano-structured materials. We show how sequential oxidation delignified (e.g., softwood pulp cott...

Journal: :journal of nanostructures 2015
m. ghiyasiyan-arani m. masjedi-arani m. salavati-niasari

copper vanadate nanostructures were prepared via ex-situ precipitation approach in presence of schiff-base ligand (n,n׳ -buthylenebis(acetylacetone iminato)dianion = acacbn) as a new capping agent. the effect of different cu sources and ph on the size, morphology and size distribution of copper vanadate nanostructures was investigated. the as-prepared products were characterized using x-ray dif...

2012
Davide Bonifazi Laure-Elie Carloni Valentina Corvaglia Arnaud Delforge

This review highlights the recent methods to prepare PNA-based materials through a combination of self-assembly and self-organization processes. The use of these methods allows easy and versatile preparation of structured hybrid materials showing specific recognition properties and unique physicochemical properties at the nano- and micro-scale levels displaying potential applications in several...

2015
M. Tamilselvi P. Kamaraj J. Arockia Selvi

Phosphating is one of the most widely used surface treatments of ferrous and non-ferrous materials due to its low-cost, easy production, good corrosion resistance and good adhesion with paint. Many researchers have tried to explore the different applications of the phosphating processes in various fields including automobile and aerospace. Recently, the zinc phosphate conversion coatings on mag...

Journal: :Chemical communications 2008
Masahiro Sadakane Keisuke Sasaki Hironobu Kunioku Bunsho Ohtani Wataru Ueda Ryu Abe

Nano-structured crystalline tungsten(vi) oxides (WO(3)) were prepared using a colloidal crystal template method; these materials have increased specific surface area compared to crystalline WO(3) prepared without the template, and after platinum loading they show enhanced photocatalytic activity for acetic acid decomposition under visible light.

Journal: :Chemical communications 2011
Jikun Chen Xiaoyuan Zhou G Jeffrey Snyder Ctirad Uher Nuofu Chen Zhaoyin Wen Jun Jin Hongliang Dong Pengfei Qiu Yanfei Zhou Xun Shi Lidong Chen

Lithium intercalation and de-intercalation processes have been used to fabricate bulk Bi(2)Se(0.3)Te(2.7) with internal nanostructures. The doped Li content can be precisely controlled through this method. It provides a chance to directly optimize electrical properties when preparing nano-structured materials, leading to the optimum carrier concentration for improved thermoelectric figure of me...

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