Third-order nonlinear optical vitreous material derived from mesoporous silica incorporated with Au nanoparticles

Zhang, Xin; Luo, Wei; Wang, Bijia; Jiang, Wan

doi:10.1039/c4tc00856a

Cited by 28 publications

(22 citation statements)

References 42 publications

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“…Inspired by the rapid development of inorganic mesoporous spheres, we propose to fabricate ceramic foam materials, employing hollow spheres as building blocks, which have been demonstrated to be a kind of promising raw materials to prepare bulk materials . In this paper, we utilize hollow silica mesoporous spheres (short for HMSSs) to fabricate novel foam materials constituted by three dimensional HMSSs‐assembled network, using particle‐stabilized foaming method which is recognized as an eco‐friendly as well as convenient method to prepare ceramic foams with high porosity and uniform pore structure .…”

Section: Introductionmentioning

confidence: 99%

Silica foams with ultra‐large specific surface area structured by hollow mesoporous silica spheres

Huo

Zhang

et al. 2018

J Am Ceram Soc

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Ceramic foams with multi‐scale pores and large specific surface area have received extensive attention due to their unique structure and superior properties. Considering that there are still challenges to synthesize porous ceramics with large specific surface area, a novel ceramic foam material with ultra‐large specific surface area has been prepared using hollow silica mesoporous spheres (HMSSs) as building block in this work. These building blocks were made weakly hydrophobic in order to produce HMSS particle stabilized foams. The foams exhibit a uniform primary macropore structure, which is composed of a three dimensional HMSS‐assembled network, via HMSS‐stabilized foams. The influence of sintering temperature on the microstructure and properties of HMSS foams is investigated. The HMSS foams exhibit highest specific surface area of 1733 m2/g, attributed to the radial mesopores in HMSS shell, when sintered at between 500°C and 800°C. This specific surface area is much higher than that of existing ceramic materials. The uniform pore structure and ultra‐large specific surface area make it a promising lightweight material in potential application fields, including catalyst, adsorption, fire‐resistant thermal insulation, and load and control release system.

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Section: Introductionmentioning

confidence: 99%

Silica foams with ultra‐large specific surface area structured by hollow mesoporous silica spheres

Huo

Zhang

et al. 2018

J Am Ceram Soc

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“…Bulk glass hosts incorporated with metal nanoparticles have exhibited bright prospects for the potential applications in photonics [15], optical limiting [16], optical waveguide [17], nonlinear optics [18], and so on. Recently, special attention has been paid on the glasses incorporated with Ag nanoparticles [19e23], since the interaction of the electromagnetic with the glasses incorporated with Ag nanoparticles causes a coherent oscillation of the free conduction electrons at the surface of Ag nanoparticles, leading to the surface plasmon resonance (SPR) effect [24,25].…”

Section: Introductionmentioning

confidence: 99%

Incorporation of Ag-In 2 O 3 nanostructures into sodium borosilicate glass: A combined route for high transparency and fluorescence

Han

Yin

Yang

et al. 2016

Materials Chemistry and Physics

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“…However, even in this case, the reduction of metal precursor, achieved by post‐synthetic hydrogen treatment in high temperature, is required to create the NPs. Quite recently, Zhang et al ,. have presented a method of fabrication of amorphous glass filled with AuNPs by applying spark plasma sintering to the SBA‐15 mesoporous silica loaded with AuNPs.…”

Section: Introductionmentioning

confidence: 99%

A Seedless Method for Gold Nanoparticle Growth inside a Silica Matrix: Fabrication of Materials Capable of Third‐Harmonic Generation in the Near‐Infrared

et al. 2019

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A composite in which gold nanoparticles (AuNPs) approximately 10 nm in size are embedded in amorphous transparent silica matrix has been produced. The synthetic protocol uses HAuCl4 as the Au ion source, tetraethoxysilane (TEOS) as the SiO2 precursor, and l‐ascorbic acid (AA) as the reducing agent. AA is employed before the sol‐gel process in an amount sufficient only for reduction of Au3+ ions to Au+. By using a cationic surfactant, benzylcetyldimethylammonium chloride hydrate (BDAC) and/or cetyltrimethylammonium bromide (CTAB), the Au+ ions are encapsulated within metalomicelles, which prevents them from being reduced to Au0 and enables their homogeneous distribution in the gel. Reduction of Au+ to Au0 and the growth of the AuNPs occurs at room temperature during the gelation, and arises from the release of EtOH during the hydrolysis of TEOS. The composites contain 0.027 wt % of Au. They exhibit nonlinear optical behavior characterized by the third‐order nonlinear refraction index, n2, in the range 3.6–5.7×10−16 cm2 W−1 at λ=1.030 μm. The composites are capable of effective third‐harmonic generation of ultrashort near‐IR (210 fs, 1.030 μm) laser pulse through a direct third‐order mechanism.

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Third-order nonlinear optical vitreous material derived from mesoporous silica incorporated with Au nanoparticles

Abstract: A novel method is introduced to prepare gold nanoparticles-embedded silica glass matrix with third-order nonlinear optical property.

Cited by 28 publications

References 42 publications

Silica foams with ultra‐large specific surface area structured by hollow mesoporous silica spheres

Silica foams with ultra‐large specific surface area structured by hollow mesoporous silica spheres

Incorporation of Ag-In 2 O 3 nanostructures into sodium borosilicate glass: A combined route for high transparency and fluorescence

A Seedless Method for Gold Nanoparticle Growth inside a Silica Matrix: Fabrication of Materials Capable of Third‐Harmonic Generation in the Near‐Infrared

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