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A constant supply of oxygen has been assumed to be necessary for the growth of titanium nanoparticles by sputtering. This oxygen supply can arise from a high background pressure in the vacuum system or from a purposely supplied gas. The…

材料科学 · 物理学 2018-10-17 Rickard Gunnarsson , Nils Brenning , Robert Deric Boyd , Ulf Helmersson

To investigate excess-hydrolysis of titanium alkoxides, TiO2 powders were fabricated from titanium-tetra-isopropoxide using 6:1 and 100:1 H2O:Ti (r) ratios. Powders were dried and fired at a range of temperatures ( up to 800 C).…

Dyes used in industries such as textile, paper, and leather are known to be harmful to both human health and aquatic ecosystems. Therefore, finding effective and sustainable methods to remove dyes from wastewater is crucial for mitigating…

A template-free process for the synthesis of nanocrystalline TiO2 hierarchical microstructures by reactive Pulsed Laser Deposition (PLD) is here presented. By a proper choice of deposition parameters a fine control over the morphology of…

材料科学 · 物理学 2013-11-28 F. Di Fonzo , C. S. Casari , V. Russo , M. F. Brunella , A. Li Bassi , C. E. Bottani

Developing colloidal plasmonic nanomaterials with high carrier density that show optical resonances and photochemical activity extending from the visible to the mid-infrared (MIR) ranges remains a challenging pursuit. Here, we report the…

Graphene/TiO2 nanocrystals hybrid is successfully prepared by directly growing TiO2 nanocrystals on graphene oxide (GO) sheets. The direct growth of nanocrystals on GO sheets was achieved by a two-step method, in which TiO2 was coated on GO…

材料科学 · 物理学 2010-08-16 Yongye Liang , Hailiang Wang , Hernan Sanchez Casalongue , Zhuo Chen , Hongjie Dai

This work reports aspect related to nano-sized particles of tetragonal anatase phase Titania. This approach is simple, faster, Eco-friendly, cost effective and suitable for large scale production. X-Ray Diffraction studies analyze particles…

化学物理 · 物理学 2013-07-04 T. Theivasanthi , M. Alagar

Bismaleimide (BMI) resin/ titania nanocomposites were synthesized from allylated-phenolic modified bismaleimide resin and TiO2 via the sol-gel process of tetrabutyltitanate (Ti(OnBu)4, TBT). These nanocomposite materials were characterized…

材料科学 · 物理学 2013-04-29 Guotao Lu , Ying Huang

This study utilizes molecular dynamics simulations to scrutinize the influence of type and volume fraction of nanoparticle on the density of nanofluids, i.e. silver (as a hydrophilic case) and titanium dioxide (as a hydrophobic case)…

应用物理 · 物理学 2021-05-20 M. M. Heyhat , M. Abbasi , A. Rajabpour

The efforts in the optimization of the physical and chemical properties related to the photocatalytic efficiency of TiO2 nanoparticles relies mainly on defect engineering strategies, been the structural and the doping the most common ones.…

材料科学 · 物理学 2022-03-07 M. P. Ferreira , H. B. de Carvalho

Choice of material is ubiquitous in integrated photonics to design device properties, whereas changing material composition is much less common. With phase matching as an additional objective, constraints in depositing and patterning thin…

This research for Eco-materials focuses on the improvement of photo response of titania thin films. The goal of this research is to find a suitable substrate for decreasing the band-gap of titania, to improve the microstructure and to seek…

材料科学 · 物理学 2007-05-23 Wilfried Wunderlich , Nguyen Thi Hue , Sakae Tanemura

TiO$_2$ and WO$_3$ are two of the most important earth-abundant electronic materials with applications in countless industries. Recently alloys of WO$_3$ and TiO$_2$ have been investigated leading to improvements of key performance…

Cu-Sn-Zn coatings have been widely used in industry for their unique properties, such as good conductivity, high corrosion resistance and excellent solderability. To further improve the mechanical performance of Cu-Sn-Zn coatings,…

应用物理 · 物理学 2017-12-05 Weidong Gao , Di Cao , Yunxue Jin , Xiaowei Zhou , Guang Cheng , Yuxin Wang

Present paper reports the LPG sensing of TiO2 obtained through ball milling. The milled powder was characterized by XRD, TEM and UV-visible spectroscopy. Further the ball milled powder was compressed in to pellet using hydraulic press. This…

化学物理 · 物理学 2012-05-15 B. C. Yadav , Tripti Shukla , Satyendra Singh , T. P. Yadav

Over the past ten years, self-aligned TiO2 nanotubes have attracted tremendous scientific and technological interest due to their anticipated impact on energy conversion, environment remediation and biocompatibility. In the present…

材料科学 · 物理学 2016-10-17 Francesca Riboni , Nhat Truong Nguyen , Seulgi So , Patrik Schmuki

In this work, we have developed economic process to elaborate scalable titanium dioxide nanotube layers which show a tunable functionality. The titanium dioxide nanotube layers was prepared by electrochemical anodization of Ti foil in 0.4…

材料科学 · 物理学 2015-05-18 E. Feschet-Chassot , V. Raspal , O. K. Awitor , F. Bonnemoy , J. L. Bonnet , J. Bohatier

The inherent network of nanopores and voids in silicon dioxide (SiO2) is generally undesirable for aspects of film quality, electrical insulation and dielectric performance. However, if we view these pores as natural nano-patterns embedded…

We report here a new concept, the use of bipolar electrochemistry, which allows the rapid and wireless growth of self-assembled TiO2 NT layers that consist of highly defined and controllable gradients in NT length and diameter. The gradient…

介观与纳米尺度物理 · 物理学 2016-10-18 G. Loget , S. So , R. Hahn , P. Schmuki

The nucleation and growth of pure titanium nanoparticles in a low-pressure sputter plasma has been believed to be essentially impossible. The addition of impurities, such as oxygen or water, facilitates this and allows the growth of…