Готові списки джерел за темами / Mesoporous Organosilica Materials -Optolectronics Properties

Добірка наукової літератури з теми "Mesoporous Organosilica Materials -Optolectronics Properties"

Автор: Grafiati
Опубліковано: 7 вересня 2023

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Статті в журналах з теми "Mesoporous Organosilica Materials -Optolectronics Properties"

1

Asefa, Tewodros, and Zhimin Tao. "Mesoporous silica and organosilica materials — Review of their synthesis and organic functionalization." Canadian Journal of Chemistry 90, no. 12 (December 2012): 1015–31. http://dx.doi.org/10.1139/v2012-094.

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Анотація:
Mesoporous silica and organosilica materials are a class of nanostructured materials that have porous structures with tunable nanometer pores, large surface areas, high pore volumes, and, in some cases, well-ordered mesostructures. Furthermore, in the case of mesoporous organosilicas, the materials possess various types of organic functional groups. This review highlights the different synthetic methods developed for mesoporous silica and organosilica nanomaterials. The review also discusses the various synthetic strategies used to functionalize the surfaces of mesoporous silica materials and produce highly functionalized mesoporous materials. Rational design and synthetic methods developed to place judiciously chosen one or more than one type of functional group(s) on the surfaces of mesoporous silica materials and generate monofunctional and multifunctional mesoporous silica materials are also introduced. These organic functionalization methods have made possible the synthesis of organically functionalized mesoporous silicas and mesoporous organosilicas with various interesting properties and many potential applications in different areas, ranging from catalysis to drug delivery and biosensing.
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2

Lin, Chun Xiang Cynthia, Siddharth Jambhrunkar, Pei Yuan, Chun Hui Clayton Zhou, and George Xiu Song Zhao. "Design and synthesis of periodic mesoporous organosilica materials with a multi-compartment structure." RSC Advances 5, no. 109 (2015): 89397–406. http://dx.doi.org/10.1039/c5ra16497d.

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3

Kaczmarek, Anna M., and Pascal Van Der Voort. "Light-Emitting Lanthanide Periodic Mesoporous Organosilica (PMO) Hybrid Materials." Materials 13, no. 3 (January 24, 2020): 566. http://dx.doi.org/10.3390/ma13030566.

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Periodic mesoporous organosilicas (PMOs) have a well ordered mesoporous structure, a high thermal and mechanical stability and a uniform distribution of organic functionalities in the pore walls. The organic groups allow PMOs to be modified and functionalized by using a wide range of organic reactions. Since their first report in 1999, PMOs have found a vast range of applications, such as for catalysis, adsorbents, low-k films, biomedical supports and also for optical applications. Optical applications are very interesting as PMOs offer the possibility of designing advanced luminescent hybrid materials comprising of organic components, yet with much higher stability and very good processability. Despite their promising possibilities, the optical properties of pristine PMOs and PMOs grafted with d-metal or f-metal ions and complexes have been explored less frequently. In this review, we aimed to overview the exciting light emitting properties of various reported lanthanide PMO hybrid materials and interest the reader in this promising application for lanthanide PMO materials.
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4

Shen, Luying, Shan Pan, Dechao Niu, Jianping He, Xiaobo Jia, Jina Hao, Jinlou Gu, Wenru Zhao, Pei Li, and Yongsheng Li. "Facile synthesis of organosilica-capped mesoporous silica nanocarriers with selective redox-triggered drug release properties for safe tumor chemotherapy." Biomaterials Science 7, no. 5 (2019): 1825–32. http://dx.doi.org/10.1039/c8bm01669k.

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5

Gunathilake, Chamila, Chandrakantha Kalpage, Murthi Kadanapitiye, Rohan S. Dassanayake, Amanpreet S. Manchanda, and Mahinda Gangoda. "Facile Synthesis and Surface Characterization of Titania-Incorporated Mesoporous Organosilica Materials." Journal of Composites Science 3, no. 3 (August 1, 2019): 77. http://dx.doi.org/10.3390/jcs3030077.

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Titania-incorporated organosilica-mesostructures (Ti-MO) were synthesized using tris [3-(trimethoxysilyl)propyl]isocyanurate, tetraethylorthosilicate as silica precursors, and titanium isopropoxide as the titanium precursor via a co-condensation method in the presence of the triblock copolymer, Pluronic P123. The triblock copolymer was completely removed by extraction with a 95% ethanol solution, followed by a thermal treatment at 350 °C under flowing nitrogen without decomposing isocyanurate bridging groups. The molar ratio of titanium to silica in the mesostructures was gradually changed by increasing the amount of tetraethylorthosilicate in the initial reaction mixture. Our synthesis strategy also allowed us to tailor both adsorption and structural properties, including a well-developed specific surface area, high microporosity, and large pore volume. A portion of the samples was thermally treated at 600 °C to remove both the block copolymer and bridging groups. The thermal treatment at 600 °C was used to convert the amorphous titania into a crystalline anatase form. The Ti-MO materials were characterized using a N2 adsorption desorption analysis, thermogravimetric analysis (TGA), solid state nuclear magnetic resonance (NMR), transmission electron microscope (TEM), and X-ray powder diffraction (XRD). CO2 adsorption studies were also conducted to determine the basicity of the Ti-MO materials. The effect of the surface properties on the CO2 sorption was also identified.
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6

Qiao, S. Z., C. Z. Yu, W. Xing, Q. H. Hu, H. Djojoputro, and G. Q. Lu. "Synthesis and Bio-adsorptive Properties of Large-Pore Periodic Mesoporous Organosilica Rods." Chemistry of Materials 17, no. 24 (November 2005): 6172–76. http://dx.doi.org/10.1021/cm051735b.

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7

He, Qianjun, Limin Guo, Fangming Cui, Yu Chen, Peng Jiang, and Jianlin Shi. "Facile one-pot synthesis and drug storage/release properties of hollow micro/mesoporous organosilica nanospheres." Materials Letters 63, no. 22 (September 2009): 1943–45. http://dx.doi.org/10.1016/j.matlet.2009.06.014.

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8

Chebude, Yonas, Gutta Gonfa, and Isabel Díaz. "Preparation and characterization of vernolic acid methyl ester functionalized ordered mesoporous materials." Bulletin of the Chemical Society of Ethiopia 37, no. 3 (March 6, 2023): 689–702. http://dx.doi.org/10.4314/bcse.v37i3.12.

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ABSTRACT. Vernonia oil is a naturally epoxidized triglyceride oil extracted from the seed of Vernonia galamensis, a native plant in East Africa. After hydrolysis to vernolic acid (VA) and derivatization, vernolic acid methyl ester (VAME) is synthesized and used to functionalize ordered mesoporous materials (OMM). Al-MCM-41 with Si/Al ratio of 15, pure silica SBA-15 and periodic mesoporous organosilica (PMO) are employed as supports exploring the different surface properties. Following optimization of the VAME/OMM ratios, selected samples, i.e. those with 13% VAME, were impregnated with AgNO3 in NaBH4 to obtain Ag-nanoparticles. The final AgVAME-OMM potential catalysts were characterized by transmission electron microscopy, observing an efficient loading of Ag nanoparticles in pure silica SBA-15 with VAME with 500 m2 specific surface area and 6 nm pore size. KEY WORDS: Vernolic acid methyl ester, Vernonia oil, Functionalization, Ordered mesoporous materials, Catalysis Bull. Chem. Soc. Ethiop. 2023, 37(3), 689-702. DOI: https://dx.doi.org/10.4314/bcse.v37i3.12
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9

Guo, Xianmin, Xiaomei Wang, Hongjie Zhang, Lianshe Fu, Huadong Guo, Jiangbo Yu, L. D. Carlos, and Kuiyue Yang. "Preparation and luminescence properties of covalent linking of luminescent ternary europium complexes on periodic mesoporous organosilica." Microporous and Mesoporous Materials 116, no. 1-3 (December 2008): 28–35. http://dx.doi.org/10.1016/j.micromeso.2008.03.007.

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10

Shirai, Soichi, Minoru Waki, Yoshifumi Maegawa, Yuri Yamada, and Shinji Inagaki. "Effects of pore surfaces on the electronic states of metal complexes formed on bipyridine periodic mesoporous organosilica." New Journal of Chemistry 43, no. 6 (2019): 2471–78. http://dx.doi.org/10.1039/c8nj06277c.

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Частини книг з теми "Mesoporous Organosilica Materials -Optolectronics Properties"

1

Willai, Stéphanie, Maryse Bacquet, and Michel Morcellet. "Organosilica Mesoporous Materials with Double Functionality: Amino Groups and β-Cyclodextrin Synthesis and Properties." In Silicon Based Polymers, 213–21. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8528-4_15.

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