نتایج جستجو برای: photocatalytic self cleaning

تعداد نتایج: 558968  

2016
Syamantak Roy Venkata M. Suresh Tapas Kumar Maji

Bio-inspired self-cleaning surfaces have found industrial applications in oil–water separation, stain resistant textiles, anti-biofouling paints in ships etc. Interestingly, self-cleaning metal–organic framework (MOF) materials having high water contact angles and corrosion resistance have not been realized so far. To address this issue, we have used the fundamentals of self-assembly to expose ...

Journal: :Construction and Building Materials 2022

In this study, we develop TiO2-SiO2 nanocomposites that can be employed as photoactive coatings to create surfaces with antipollution and self-cleaning properties in urban buildings. particular, anatase titanium dioxide a high percentage of {0 0 1} facets, commonly called titania nanosheet (TNS), was used active phase. This approach allows us improve the similar sols based on P25. The obtained ...

Journal: :Physical chemistry chemical physics : PCCP 2016
Manjula Pandiri Nurit Shaham-Waldmann Mohammad S Hossain Frank W Foss Krishnan Rajeshwar Yaron Paz

Correction for 'Enhanced photocatalytic activity of a self-stabilized synthetic flavin anchored on a TiO2 surface' by Manjula Pandiri et al., Phys. Chem. Chem. Phys., 2016, 18, 18575-18583.

2013
Jayavant L. Gunjakar Tae Woo Kim In Young Kim Jang Mee Lee Seong-Ju Hwang

Unusually high photocatalytic activity of visible light-induced O₂ generation can be achieved by electrostatically-derived self-assembly between exfoliated Zn-Cr-LDH 2D nanosheets and POM 0D nanoclusters (W₇O₂₄⁶⁻ and V₁₀O₂₈⁶⁻) acting as an electron acceptor. This self-assembly can provide a high flexibility in the control of the chemical composition and pore structure of the resulting LDH-based...

2002
Wenguang Wang Rick Bunt

The buffer pool in a DBMS is used to cache the disk pages of the database. Because typical database workloads are I/O-bound, the effectiveness of the buffer pool management algorithm is a crucial factor in the performance of the DBMS. In IBM’s DB2 buffer pool, the page cleaning algorithm is used to write changed pages to disks before they are selected for replacement. We conducted a detailed st...

2014
Xinyi Zhang Jianfeng Yao Dan Li Xiaodong Chen Huanting Wang Leslie. Y. Yeo

The development of new strategies and photocatalytic materials for practical environmental solutions remains a great challenge, particularly due to the large energy demands associated with various remediation processes. In this paper, we report the fabrication of self-assembled ordered mesoporous TiO2 with highly crystalline anatase structures as well as high surface area, and characterize thei...

Journal: :Chemistry: A European Journal 2021

Functionalization of photocatalytic metal oxide nanoparticles TiO2, ZnO, WO3 and CuO with amine-terminated (oleylamine) thiol-terminated (1-dodecanethiol) alkyl chained ligands was studied under ambient conditions. A high selectivity observed in the binding specificity a ligand towards these different oxides. It that oleylamine binds stably to only TiO2 WO3, while 1-dodecanethiol ZnO CuO. Simil...

Journal: :Journal of colloid and interface science 2014
Eylem Topkaya Mehmet Konyar H Cengiz Yatmaz Koray Öztürk

Photocatalytic degradations of azo dye (RR 180), pesticide (2,4-D) and antibiotic (enrofloxacin) in aqueous solutions were performed and compared by using pure ZnO and ZnO/TiO2 composite (at 1:1 ZnO to TiO2 mole ratio) catalysts in a self-supporting plate form. The plates were produced by tape casting of the constituent powder slurries and sintering at 600°C. Photocatalytic degradations of thes...

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