Room temperature ionic liquids as templates in the synthesis of mesoporous silica via a sol–gel method

Zhang, Juan; Ma, Yubo; Shi, Feng; Liu, Lequan; Deng, Youquan

doi:10.1016/j.micromeso.2008.10.003

Cited by 102 publications

(78 citation statements)

References 30 publications

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“…1) [38]. However in both procedures, identical SAXRD patterns were obtained where the MNSs generated do not exhibit any peak which is identical to another reported work [1]. It can be concluded that the synthesized materials are amorphous with no specific pore ordering (Fig.…”

Section: Resultssupporting

confidence: 85%

“…Development of mesoporous silica is not limited to long chain imidazolium based ILs. Zhou et al and Zhang et al utilize 1-butyl-3-methylimidazolium tetrafluoroborate (C 4 MimBF 4 ) to synthesize mesoporous silica via a new mechanism, known as hydrogen bond-co-π-π-stack [1,32]. Despite these many researches conducted on usage of ILs as template, only one research was able to use ILs to develop MSNs and in this research, it was found that MSNs morphology are dependent on the type of ILs used [33].…”

Section: Introductionmentioning

confidence: 79%

“…Mesoporous for MSNs is define through the pore diameter where it lies in between 2 and 50 nm while materials with pore diameter < 2 nm or > 50 nm are classified as microporous or macroporous materials respectively [1]. The tremendous attentions on MSNs are due to its desirable properties such as high surface area, large pore volume and easy functionalization [2,3].…”

Section: Introductionmentioning

confidence: 99%

“…The tremendous attentions on MSNs are due to its desirable properties such as high surface area, large pore volume and easy functionalization [2,3]. Furthermore, this material can be tailored according to the type of applications and some of the common applications of this material are as catalyst, absorbent, in separation techniques and in the biomedical industry [1,[4][5][6]. However, for biomedical applications, it is important that the MSNs generated are monodispersed with particles size < 100 nm as it is advantageous in cell endocytosis process [7].…”

Section: Introductionmentioning

confidence: 99%

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Monodispersed mesoporous silica nanospheres based on pyridinium ionic liquids

2018

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In the past decades, ionic liquids (ILs) have garnered a lot of attention especially in the field of green chemistry due to their unique properties which help to solve the problems posed by organic solvents. Interestingly, their applications are not limited to that only as ILs have the potential to become alternative templates in the development of mesoporous silica nanoparticles (MSNs). This work reported the usage of a series of pyridinium ILs as template in the synthesis of monodispersed mesoporous silica nanosphere (MNSs) via two methods. Both syntheses utilize triethanolamine (TEA) as the base catalyst where in one method the TEA undergoes pre-treatment process while the other did not. Besides that, the effects of pyridinium ILs alkyl chain length were also investigated. MNSs generated via both methods exhibit spherical morphology and decreasing average particles size with increasing alkyl chain length of pyridinium ILs. The MNSs porosity were further analyzed through nitrogen sorption analysis where the surface area were in between 71.85 and 525.02 m 2 g −1 and the pore volume was up to 1 cm 3 g −1 .

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Section: Resultssupporting

confidence: 85%

Section: Introductionmentioning

confidence: 79%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Monodispersed mesoporous silica nanospheres based on pyridinium ionic liquids

2018

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“…[14][15][16] When ILs are used to synthesize nanoparticles, besides as the reaction medium, they also have an important role in directing the structure of the particles. [17][18][19][20] Previously, we verified 1-butyl-3-methylimidazole hexafluorophosphate as an effective modifier for improving the performance of rubber/halloysite nanotube composites. 21 This phenomenon is due to the hydrogen bonding between 1-butyl-3-methylimidazole hexafluorophosphate and the halloysite nanotube.…”

Section: Introductionmentioning

confidence: 91%

SBR/silica composites modified by a polymerizable protic ionic liquid

Lei

Tang

Guo

et al. 2010

Polym J

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A novel functionalized ionic liquid, 1-methylimidazolium sorbate (MimS), was synthesized and characterized. MimS was used to improve the performance of rubber/silica composites. Substantiated hydrogen bonding between MimS and silica was responsible for effectively restraining the Payne effect and decreasing the Mooney viscosity of the uncured rubber compounds. The reactivity of MimS toward rubber and its ability to hydrogen bond with polymerized MimS and silica were characterized. Filler networking, curing behavior, silica dispersion and mechanical performance of the vulcanizates were fully studied. Remarkable improvements in mechanical properties were achieved with only a small addition of MimS. Variations in rubber performance were attributed to the significantly improved silica dispersion and novel interfacial interactions induced by MimS.

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Ionic Liquids as (Co‐)Solvents for Hydrolytic Enzymes

Zhao¹

2012

Ionic Liquids in Biotransformations and Organocatalysis

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Room temperature ionic liquids as templates in the synthesis of mesoporous silica via a sol–gel method

Cited by 102 publications

References 30 publications

Monodispersed mesoporous silica nanospheres based on pyridinium ionic liquids

Monodispersed mesoporous silica nanospheres based on pyridinium ionic liquids

SBR/silica composites modified by a polymerizable protic ionic liquid

Ionic Liquids as (Co‐)Solvents for Hydrolytic Enzymes

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