Preparation and characterization of titania/silicone nanocomposite material

Shen, Ye; Wang, L; Zhang, H; Wu, Ting; Pan, Huayan

doi:10.1088/1757-899x/87/1/012021

Cited by 6 publications

(4 citation statements)

References 16 publications

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“…Rutile is the most prevalent and stable form characterized by superior UV absorption, lower photo reactivity, and reduced hazards compared to anatase [23][24][25][26]. Figure 4 illustrates the XRD diffraction of TiO2 particles, revealing that the anatase phase is predominant in this synthesis, as evidenced by the main peaks at 25.3 (101), 38 (004), 48 (200), 54 (105), and 62.4 (204) [27].…”

Section: Xrd Resultsmentioning

confidence: 99%

A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

Salman

2023

ETJ

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Two types of Nanoparticles, ZnO and TiO2, were prepared utilizing the sol-gel technique.• Nanoparticle characterization was studied using XRD, SEM, and FTIR. • Antibacterial activity of the Nanoparticles was compared against E.coli and Staph.aureus bacteria. • Results showed ZnO NPs affected the two bacteria more than TiO2 NPs.Using the sol-gel technique, this study successfully synthesized two types of nanoparticles, ZnO and TiO2. The Fourier-transform infrared (FTIR) spectrum exhibited a broad peak, providing insights into crucial chemical bonds. The average grain sizes, 18.6 nm for ZnO and 12.6 nm for TiO2 were determined through X-ray diffraction (XRD). Scanning electron microscopy (SEM) images of the (ZnO & TiO2) powder revealed the presence of pores and agglomeration.The antimicrobial efficacy of these nanoparticles was evaluated against Gramnegative bacteria (E. coli and Proteus) and Gram-positive bacteria (Staph. aureus). The results demonstrated the capability of both ZnO and TiO2 to impact bacterial survival rates, with ZnO nanoparticles exhibiting a superior effect compared to TiO2 nanoparticles. This research contributes valuable insights into the antimicrobial properties of ZnO and TiO2 nanoparticles, emphasizing their potential applications in combating bacterial infections.

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Section: Xrd Resultsmentioning

confidence: 99%

A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

Salman

2023

ETJ

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“…In the figure, at 1075.82 cm −1 [27] was the Si-O stretching vibration peak in the silica sol, and at 448.70 cm −1 was the Si-O-Si stretching vibration absorption peak. In the infrared spectrum of titanium sol, 3238.80, 1530.25 and 660.70 cm −1 [28] was the residual -OH stretching vibration peak, the Ti-O bond stretching vibration absorption peak and the Ti-O-Ti stretching vibration absorption peak, respectively. In the IR spectrum of composite sol, a new peak appears at 935.60 cm −1 , which was the stretching vibration absorption peak of Si-O-Ti.…”

Section: The Effect Of Acid Content On the Hardness Of The Coatingmentioning

confidence: 99%

Preparation and Optical Application of SiO2-TiO2 Composite Hardening Coatings with Controllable Refractive Index by Synchronous Polymerization

Cai

Zhang

et al. 2021

Coatings

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The homogeneous SiO2-TiO2 composite sols were prepared by organic-inorganic synchronous polymerization with titanium isopropoxide and tetrabutyl silicate as precursor. The organic-inorganic composite hard coating with Si-O-Ti as the framework was prepared by adding compound crosslinkers (up-401) and 3-Methacryloxypropyltrimethoxysilane (KH-560). The structure of the coating and the hardened film were characterized by infrared spectrum, scanning electron microscopy, atomic force microscopy, particle size analyzer and thermogravimetry. The refractive index, transmittance and hardness of the hardened film were measured by ellipsometry, UV-Vis spectrophotometer and hardness tester. By adjusting the ratio of Si/Ti and optimizing the reaction conditions, the hardness of the hardened film could reach 6H, and the refractive index could be adjusted from 1.55 to 1.76. At the same time, the application of hard coatings on the surface of optical lens were studied.

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“…22 The introduction of crystalline ZrO 2 , 1,33-43 TiO 2 (ref. [44][45][46][47][48][49] nanoparticles into siloxane are more effective to increase the RI because the RI of the nanoparticle increases dramatically with crystallinity. ZrO 2 has excellent optical properties, such as Abbe number and transparency on a broad spectral range, 50 as well as chemical inertness and thermal stability.…”

Section: Introductionmentioning

confidence: 99%

Zirconia/phenylsiloxane nano-composite for LED encapsulation with high and stable light extraction efficiency

et al. 2021

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Preparation and characterization of titania/silicone nanocomposite material

Cited by 6 publications

References 16 publications

A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

Preparation and Optical Application of SiO2-TiO2 Composite Hardening Coatings with Controllable Refractive Index by Synchronous Polymerization

Zirconia/phenylsiloxane nano-composite for LED encapsulation with high and stable light extraction efficiency

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