Relevant bibliographies by topics / Mesoporous

Academic literature on the topic 'Mesoporous'

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Published: 4 June 2021
Last updated: 8 June 2024

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Journal articles on the topic "Mesoporous"

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Lakhi, Kripal S., Dae-Hwan Park, Gurwinder Singh, Siddulu N. Talapaneni, Ugo Ravon, Khalid Al-Bahily, and Ajayan Vinu. "Energy efficient synthesis of highly ordered mesoporous carbon nitrides with uniform rods and their superior CO2adsorption capacity." Journal of Materials Chemistry A 5, no. 31 (2017): 16220–30. http://dx.doi.org/10.1039/c6ta10716h.

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Nakahira, Atsushi, Hironobu Nishimoto, Yukitaka Hamada, and Yuki Yamasaki. "Synthesis and Characterization of Dense Mesoporous Alumina." Key Engineering Materials 616 (June 2014): 252–57. http://dx.doi.org/10.4028/www.scientific.net/kem.616.252.

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Dense mesoporous alumina bulks were successfully synthesized by a hydrothermal hot-pressing (HHP) method for mesoporous alumina powders prepared as starting material with a high BET surface area and narrow pore size distribution. As a result, mesoporous alumina HHP bulks had high density with uniformity pore size distribution and a high specific surface area. Their microstructural features for dense mesoporous alumina bulks were observed by SEM. The characterization of mesopores was examined.
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SHON, JEONG KUK, SOO SUNG KONG, SUNG SOO KIM, MIN SUK KANG, JI MAN KIM, and BYUNG GUK SO. "SYNTHESIS OF MESOPOROUS IRON OXIDE NANOPARTICLES FROM MESOPOROUS SILICA TEMPLATE VIA NANO-REPLICATION." Functional Materials Letters 01, no. 02 (September 2008): 151–54. http://dx.doi.org/10.1142/s1793604708000277.

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Highly ordered mesoporous iron oxide (α- Fe 2 O 3) material has been successfully obtained from mesoporous silica template, KIT-6 (3-D Cubic Ia3d symmetry), through nano-replication method. The mesoporous α- Fe 2 O 3 material thus obtained exhibits well-defined mesopores (2.7 nm in diameter), high surface area (148 m2/g), high pore volume (0.47 cm3/g) and crystalline frameworks. The morphology of the mesoporous α- Fe 2 O 3 material is very uniform in spherical shape of which the average particle size is about 100 nm in diameter.
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Dibandjo, P., F. Chassagneux, L. Bois, C. Sigala, and P. Miele. "Condensation of borazinic precursors for mesoporous boron nitride synthesis by carbon nanocasting." Journal of Materials Research 22, no. 1 (January 2007): 26–34. http://dx.doi.org/10.1557/jmr.2007.0028.

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The influence of different borazinic precursors on mesoporous boron nitride synthesis by using a nanocasting process of a mesoporous CMK-3 carbon is presented. Two borazinic precursors, the tri(methylamino)borazine (MAB) and the tri(chloro)borazine (TCB), have been converted to boron nitride (BN) inside the mesopores of a CMK-3 carbon mesoporous template by using thermal or chemical polycondensation processes. Ordered mesoporous boron nitride with a specific surface area around 800 m2/g, a mesoporous volume around 0.6 cm3/g, and a pore-size distribution located at 6 nm in diameter was synthesized by thermal condensation of a molecular MAB precursor. In addition, chemical condensation of TCB led to a disordered mesoporous boron nitride.
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Liang, Jun, and Fu Ping Wang. "Synthesis and Characterization of Mesoporous SAPO-11 by Using Carbon Particles." Advanced Materials Research 306-307 (August 2011): 1576–79. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.1576.

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Mesoporous SAPO-11 was synthesized hydrothermally by using carbon black and di-n-propylamime (DPA) as templates for the expected mesopores and micropores respectively. The samples were characterized with XRD, nitrogen physisorption, SEM and NH3-TPD techniques. The mesopore volumes of mesoporous SAPO-11 are in range of 0.037 - 0.052 cm3/g. The same amounts of the acid sites according to NH3-TPD results in both mesoporous and conventional SAPO-11 products indicate that the carbon black involved in the synthesis doesn’t affect the crystallization efficiency of SAPO-11. The mesoporous SAPO-11 samples exhibit higher activity compared with conventional ones, especially under low reaction temperature. The enhanced activity can be attributed to the introduction of the mesopores in the zeolite crystals, which decreases the intracrystalline mass transfer limitations.
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Kim, Hyung-Ju, Hee-Chul Yang, Dong-Yong Chung, In-Hwan Yang, Yun Jung Choi, and Jei-kwon Moon. "Functionalized Mesoporous Silica Membranes for CO2Separation Applications." Journal of Chemistry 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/202867.

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Mesoporous silica molecular sieves are emerging candidates for a number of potential applications involving adsorption and molecular transport due to their large surface areas, high pore volumes, and tunable pore sizes. Recently, several research groups have investigated the potential of functionalized mesoporous silica molecular sieves as advanced materials in separation devices, such as membranes. In particular, mesoporous silica with a two- or three-dimensional pore structure is one of the most promising types of molecular sieve materials for gas separation membranes. However, several important challenges must first be addressed regarding the successful fabrication of mesoporous silica membranes. First, a novel, high throughput process for the fabrication of continuous and defect-free mesoporous silica membranes is required. Second, functionalization of mesopores on membranes is desirable in order to impart selective properties. Finally, the separation characteristics and performance of functionalized mesoporous silica membranes must be further investigated. Herein, the synthesis, characterization, and applications of mesoporous silica membranes and functionalized mesoporous silica membranes are reviewed with a focus on CO2separation.
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Bo, Wenbei, Hongtao Zhang, Guocheng Yin, Liangzhu Zhang, and Jieqiong Qin. "Recent Advances in Graphene-Based Mesoporous Nanosheets for Supercapacitors." C 9, no. 4 (September 27, 2023): 91. http://dx.doi.org/10.3390/c9040091.

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Among typical energy storage devices, supercapacitors play a predominant role in industry and our life owing to their rapid charge/discharge rate, superior lifespan, high power density, low cost, and outstanding safety. However, their low energy density has severely hindered their further development. For active electrode materials, graphene-based mesoporous nanosheets (GMNs) can combine the advantages from graphene and mesoporous materials, which can be applied to significantly enhance the energy density of supercapacitors. Here, we review the recent advances in GMNs for supercapacitors, focusing on in-plane mesoporous graphene and sandwich-like graphene-based heterostructures. Firstly, the synthesis of in-plane mesoporous graphene with ordered and disordered mesopores for supercapacitors is introduced. Secondly, sandwich-like graphene-based heterostructures are classified into mesoporous carbon/graphene, mesoporous heteroatom-doped carbon/graphene, mesoporous conducting polymer/graphene, and mesoporous metal oxide/graphene, and their applications in supercapacitors are discussed in detail. Finally, the challenges and opportunities of GMNs for high-performance supercapacitors are proposed.
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Nguyen Truong Gia, Hao, Huy Tran Huynh Gia, Phuong Nguyen Thi Truc, Tu Le Nguyen Quang, Dung Nguyen Van, An Ngo Thanh, and Long Nguyen Quang. "Preparation and characterization of mesoporous zeolite from solid waste." Vietnam Journal of Catalysis and Adsorption 9, no. 4 (December 31, 2020): 64–69. http://dx.doi.org/10.51316/jca.2020.071.

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In this study, experimental results on mesoporous zeolite preparation from a common solid waste, the rice husk ash by a top-down and bottom-up approach were reported. In top-down method, the consecutive treatments of zeolite by acid and alkaline in the presence of a cationic surfactant (CTAB) successfully generated mesopores in the zeolite. In bottom-up method, the sufficient added amount of CTAB in the gel composition could form mesopores in the zeolite. The obtained mesoporous zeolite possessed mesopore with a size of around 3-6 nm in both top-down and bottom-up approaches. As a result, the pore volume of the mesoporous zeolite was significantly increased by more than 60% when comparing to the “parent” rice-husk-ash derived zeolite. Significantly, the mesopore surface area of the mesoporous zeolite could be 2.4 times higher than that of the parent zeolite.
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WANG, X. L., J. P. TU, J. Y. XIANG, and X. H. HUANG. "NANOSTRUCTURED Si/ZrO2 MESOPOROUS COMPOSITE FILM ANODES FOR LITHIUM ION BATTERIES." Functional Materials Letters 02, no. 01 (March 2009): 23–26. http://dx.doi.org/10.1142/s1793604709000491.

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Mesoporous ZrO 2 with pore sizes of 5–20 nm were prepared using various structure-directing agents. Nanoscale Si was combined with mesoporous ZrO 2 to be used as anodes for lithium ion batteries. In the range of the Si / ZrO 2 mole ratio from 1:1 to 6:1, electrochemical investigations indicated that the mesoporous composite film with the mole ratio of 4:1 had larger capacity and better cyclability upon cycling. Its discharge capacity preserved 1251 mAh/g after 50 cycles. It is believed that mesoporous ZrO 2 could effectively alleviate the volume change arising from Li – Si alloying during the lithiation/delithiation process and provided channels with its mesopores for lithium ions passing through. The Si / ZrO 2 composite film with a pore size of 20 nm presented the best electrochemical performance, indicating that the larger mesopores could facilitate insertion/removal of lithium ions.
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Srinivasu, Pavuluri. "Investigation on the Textural Properties Tuning of Ordered Mesoporous Carbons with an Excellent Electrochemical Performance." Advances in OptoElectronics 2011 (October 9, 2011): 1–4. http://dx.doi.org/10.1155/2011/615164.

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A synthetic method to produce mesoporous carbons with tunable textural properties and ordered pore structure has been developed by changing sucrose to water ratio. The specific surface area of 1437 m2/g with pore volume of 1.4 cm3/g and porosity of mesopores centered at around 4.4 nm are achieved by tuning the concentration of filling amount into mesoporous silica. The mesoporous carbon exhibits hexagonal rod-like morphology (a diameter of ~1.2 m), which confirms that the replication process is highly successful. It is demonstrated that the prepared mesoporous carbon exhibits much higher current density and superior performance as compared to conventional activated charcoal.
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Dissertations / Theses on the topic "Mesoporous"

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Gallo, Jean Marcel Ribeiro. "Síntese de carbonos cerâmicos mesoporosos para aplicação como eletrodos em células a combustível a metanol direto." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/250419.

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Orientadores: Heloise de Oliveira Pastore, Leonardo Marchese
Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química
Made available in DSpace on 2018-08-16T12:57:15Z (GMT). No. of bitstreams: 1 Gallo_JeanMarcelRibeiro_D.pdf: 4780624 bytes, checksum: 5426a4e169601ec9fd875fbe271a36c9 (MD5) Previous issue date: 2010
Resumo: Esse trabalho teve como objetivo a aplicação de peneiras moleculares mesoporosas de sílica como suporte para metal em aplicações em eletrodos na Célula a combustível a metanol direto (DMFC). As peneiras moleculares mais importantes, MCM-41, MCM-48 e SBA-15, foram escolhidas. Em um primeiro momento a reprodutibilidade das sínteses foi verificada. Como pesquisa lateral foi estudada a acidez de superfície da SBA-15 contendo alumínio obtida por síntese direta. Além disso, foi desenvolvida a primeira síntese direta para a [Al]-SBA-15 Sílica é um isolante elétrico e, portanto, não pode ser utilizada como um eletrodo, deste modo, uma nova família de compósitos chamada Carbonos Cerâmicos Mesoporosos (MCC) foi preparada pela adição de grafite comercial na síntese das sílicas mesoporosas (MCM-41, MCM-48 ou SBA-15). A grafite não influenciou na formação da mesofase de sílica, de qualquer maneira, a MCC-MCM-41 e a MCC-MCM-48 cresceram na superfície da grafite. As MCCs preparadas com razão em massa sílica/carbono de 1/1 e 1/1.25 apresentaram condutividades elétricas similares enquanto MCCs com menos quantidade de carbono se mostraram isolantes elétricos. As MCCs(1/1) modificadas com 20 % em massa de paládio foram usadas na DMFC chegando no máximo a desempenhos 10 vezes menores que o do sistema usando o suporte comercia Vulcan XC-72R. Esse comportamento foi atribuida a menos condutividade elétrica dos MCCs. Para aumentar a condutividade elétrica dos MCCs(1/1), o agente direcionador orgânico usado na síntese da fase silícica foi carbononizado ( ao invez de calcinado, como feito anteriormente) Alternativamente, os MCCs foram sintetizados com uma razão em massa sílica/carbono de 1/3. Os testes dos MCCs contendo 20 % em massa de platina no cátodo da DMFC mostraram melhores resultados para a MCC-SBA-15(1/3) e a MCC-MCM-48(1/1) pirolisada. Por outro lado, o despenho do sistema usando o suporte Vulcan-XC-72R foi o dobro. Modificados com 60 % em massa da liga PtRu, o MCC-SBA-15(1/3) e o MCC-MCM-48(1/1) pirolisado foram aplicados no ânodo da DMFC, alcançando desempenhos 20 e 40 % maiores que a Vulcan XC-72R.
Abstract: The present work aimed at using mesoporous silica as metal support for Direct Methanol Fuel Cell (DMFC) electrodes. The most important mesoporous silica, MCM-41, MCM-48 and SBA-15, were chosen. In a first moment their synthesis were verified with respect to the reproductibility. As side results, the surface acidity of aluminum containing SBA-15 obtained by direct synthesis was also studied and it is also reported the first [Al]-SBA-16 obtained by direct synthesis was reported. Silica is electrically insulating and thus cannot be used directly in a cell electrode, thus it was reported here the preparation of the novel composite named Mesoporous Carbon Ceramics (MCC) obtained by the addition of commercial graphite into the mesoporous silica synthesis (MCM-41, MCM-48 or SBA-15). The graphite did not influence in the formation of the silica mesophase, however, MCC-MCM-41 and MCC-MCM-48 grow on the graphite surface. The MCCs prepared with silica/carbon weight ratio of 1/1 and 1/1.25 presented similar electrical conductivities while lower carbon loading MCCs were found insulating. The MCCs(1/1) modified with 20 wt % of platinum were used on Direct Methanol Fuel Cell electrodes (DMFC) reaching performances more ten 10 times lower than that of a system using the commercial metal support Vulcan XC-72R, probably due to their lower electrical conductivity. To increase the electrical conductivity of the MCCs(1/1), the surfactant used to synthesize the silica phase was carbonized (instead of calcined as done for the previous materials). Alternatively, MCCs was synthesized with silica/carbon weight ratio of 1/3. The test of 20 wt. % platinum-containing MCCs on the cathode of the DMFC showed that the best results were obtained for the MCC-SBA-15(1/3) and for the template-pyrolysed MCC-MCM-48(1/1), however, the performance was approximately half of that of the system using Vulcan-XC-72R. When modified with 60 wt % of PtRu alloy, MCC-SBA-15(1/3) and to the template-pyrolysed MCC-MCM-48(1/1) and applied on the DMFC anode, the performances at 343 K was ca. 20 and 40 % higher that that obtained for the system using Vulcan XC-72R.
Doutorado
Quimica Inorganica
Doutor em Ciências
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Tan, Yu-May. "Mesoporous materials." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370067.

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Lebold, Timo. "Mesoporous silica nanostructures." Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-118194.

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Björk, Emma M. "Mesoporous Building Blocks : Synthesis and Characterization of Mesoporous Silica Particles and Films." Doctoral thesis, Linköpings universitet, Nanostrukturerade material, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-99858.

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Catalyst supports, drug delivery systems, hosts for nanoparticles, and solar cells are just some examples of the wide range of exciting applications for mesoporous silica. In order to optimize the performance of a specific application, controlling the material’s morphology and pore size is crucial. For example, short and separated particles are beneficial for drug delivery systems, while for molecular sieves, the pore size is the key parameter. In this thesis, mesoporous silica building blocks, crystallites, with hexagonally ordered cylindrical pores were synthesized, with the aim to understand how the synthesis parameters affect the particle morphology and pore size. The synthesis of the particles is performed using a sol-gel process, and in order to increase the pore size, a combination of low temperature, and additions of heptane and NH4F was used. By variations in the amounts of reagents, as well as other synthesis conditions, the particle morphology and pore size could be altered. Separated particles were also grown on or attached to substrates to form films. Also, a material with spherical pore structure was synthesized, for the first time using this method. It was found that a variation in the heptane concentration, in combination with a long stirring time, yields a transition between fiber and sheet morphologies. Both morphologies consist of crystallites, which for the fibers are joined end to end, while for the sheets they are attached side by side such that the pores are accessible from the sheet surface. The crystallites can be separated to a rod morphology by decreasing the stirring time and tuning the HCl concentration, and it was seen that these rods are formed within 5 min of static time, even though the pore size and unit cell parameters were evolving for another 30 min. Further studies of the effects of heptane showed that the shape and mesoscopic parameters of the rods are affected by the heptane concentration, up to a value where the micelles are fully saturated with heptane. It was also observed that the particle width increases with decreasing NH4F concentration, independent of heptane amount, and a platelet morphology can be formed. The formation time of the particles decrease with decreasing NH4F, and the growth mechanism for platelets was further studied. The pore sizes for various morphologies were altered by e.g. variations in the hydrothermal treatment conditions, or the method for removing the surfactants. The separated particles can be attached to substrates, either during the particle synthesis or by post grafting prior to calcination. The film formation during the one-pot-synthesis was studied and a formation mechanism including nucleation of elongated micelles on the substrate was suggested. During the post grafting film synthesis, the medium in which the particles are dispersed, as well as functionalization of both particle and substrate are crucial for the post grafting process. The pores are easily accessible independent of the method, even though they are aligned parallel to the substrate when the one-pot-method is used, while post grafting gives a perpendicular pore orientation. In summary, this work aims to give an understanding for the formation of the synthesized material, and how to tune the material properties by alterations in parameter space. Successful syntheses of four different particle morphologies and two new types of films were performed, and the pore size could easily be tuned by various methods.
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Yue, Wenbo. "Mesoporous crystalline metal oxides." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/830.

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Liu, Yi. "Mesoporous silica/polymer nanocomposites." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/31739.

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Thesis (Ph.D)--Polymer, Textile and Fiber Engineering, Georgia Institute of Technology, 2010.
Committee Chair: Jacob. Karl; Committee Member: Griffin. Anselm; Committee Member: Tannenbaum. Rina; Committee Member: Thio. Yonathan S; Committee Member: Yao. Donggang. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Sheikh, Shehla Altaf. "Modification of mesoporous silicas." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327599.

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Mehlhorn, Dirk, Rustem Valiullin, Jörg Kärger, and Ryong Ryoo. "Diffusion in mesoporous zeolites." Diffusion fundamentals 20 (2013) 96, S. 1, 2013. https://ul.qucosa.de/id/qucosa%3A13685.

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Mehlhorn, Dirk, Rustem Valiullin, Jörg Kärger, and Ryong Ryoo. "Diffusion in mesoporous zeolites." Diffusion fundamentals 16 (2011) 54, S. 1, 2011. https://ul.qucosa.de/id/qucosa%3A13795.

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Mehlhorn, Dirk, Rustem Valiullin, Jörg Kärger, and Ryong Ryoo. "Diffusion in mesoporous zeolites." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-183854.

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Books on the topic "Mesoporous"

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García-Martínez, Javier, and Kunhao Li, eds. Mesoporous Zeolites. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.

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Khan, Waheed. Novel mesoporous catalysts. Manchester: UMIST, 1998.

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Ha, Chang-Sik, and Sung Soo Park. Periodic Mesoporous Organosilicas. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-2959-3.

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Zhao, Dongyuan, Ying Wan, and Wuzong Zhou. Ordered Mesoporous Materials. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527647866.

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Steel, A. Novel mesoporous materials. Manchester: UMIST, 1996.

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C, Sequeira C. A., Hudson M. J, and North Atlantic Treaty Organization. Scientific Affairs Division., eds. Multifunctional mesoporous inorganic solids. Dordrecht: Kluwer Academic Publishers, 1993.

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Innocenzi, Plinio. Mesoporous Ordered Silica Films. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89536-5.

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Sequeira, César A. C., and Michael J. Hudson, eds. Multifunctional Mesoporous Inorganic Solids. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-015-8139-4.

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Sequeira, César A. C. Multifunctional Mesoporous Inorganic Solids. Dordrecht: Springer Netherlands, 1993.

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Hou, Huilin, Linli Xu, Weiyou Yang, and Wai-Yeung Wong. One-Dimensional Mesoporous Inorganic Nanomaterials. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-89105-3.

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Book chapters on the topic "Mesoporous"

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Pérez-Pariente, Joaquín, and Teresa Álvaro-Muñoz. "Strategies to Improve the Accessibility to the Intracrystalline Void of Zeolite Materials: Some Chemical Reflections." In Mesoporous Zeolites, 1–30. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch1.

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Li, Kunhao, Michael Beaver, Barry Speronello, and Javier García-Martínez. "Surfactant-Templated Mesostructuring of Zeolites: From Discovery to Commercialization." In Mesoporous Zeolites, 321–48. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch10.

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Thommes, Matthias, Rémy Guillet-Nicolas, and Katie A. Cychosz. "Physical Adsorption Characterization of Mesoporous Zeolites." In Mesoporous Zeolites, 349–84. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch11.

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Kärger, Jörg, Rustem Valiullin, Dirk Enke, and Roger Gläser. "Measuring Mass Transport in Hierarchical Pore Systems." In Mesoporous Zeolites, 385–424. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch12.

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Wan, Wei, Changhong Xiao, and Xiaodong Zou. "Structural Characterization of Zeolites and Mesoporous Zeolite Materials by Electron Microscopy." In Mesoporous Zeolites, 425–60. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch13.

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Datka, Jerzy, Karolina Tarach, and Kinga Góra-Marek. "Acidic Properties of Hierarchical Zeolites." In Mesoporous Zeolites, 461–96. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch14.

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Triantafyllidis, Kostas S., Eleni F. Iliopoulou, Stamatia A. Karakoulia, Christos K. Nitsos, and Angelos A. Lappas. "Mesoporous Zeolite Catalysts for Biomass Conversion to Fuels and Chemicals." In Mesoporous Zeolites, 497–540. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch15.

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Millini, Roberto, and Giuseppe Bellussi. "Industrial Perspectives for Mesoporous Zeolites." In Mesoporous Zeolites, 541–64. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch16.

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Pastore, Heloise de Oliveira, and Dilson Cardoso. "Zeolite Structures of Nanometer Morphology: Small Dimensions, New Possibilities." In Mesoporous Zeolites, 31–78. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch2.

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Vuong, Gia-Thanh, and Trong-On Do. "Nanozeolites and Nanoporous Zeolitic Composites: Synthesis and Applications." In Mesoporous Zeolites, 79–114. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527673957.ch3.

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Conference papers on the topic "Mesoporous"

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Daiguji, Hirofumi, Daisuke Nakayama, Asuka Takahashi, Sho Kataoka, and Akira Endo. "Ion Transport in Mesoporous Silica Thin Films." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44526.

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Mesoporous silica SBA-16 thin films were synthesized on a Si substrate via the dip-coating method. SEM analysis revealed that these films possess highly ordered 3D cubic structure. After these films were filled with either pure water or KCl aqueous solutions, the ionic current passing through the mesopores was measured by applying electric field to find out ion transport phenomena. If the ion transport phenomena in mesoporous silica are completely elucidated, this will enhance its use in applications where it is intended to be employed as a catalyst, filter, and adsorbent. The measured I-V curves were non-linear. This document discusses the relationship between the non-linear I-V curves and the ionic flow inside the 3D cubic pore structure. The effect of the dimensions and surface properties of mesopores on the I-V curves are also discussed.
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Hwang, Junho, and Hirofumi Daiguji. "Proton Transport in Mesoporous Silica SBA-16 Thin Films With Three-Dimensional Cubic Structures." In ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icnmm2013-73112.

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Mesoporous silica SBA-16 thin films with highly ordered 3D cubic structures were synthesized by evaporation-induced self-assembly method, using an F127 triblock copolymer as the structure-directing agent via dip coating, to investigate proton transport of aqueous solutions confined in mesopores. Using electrochemical measurements of ionic current under DC electric fields, we elucidated proton transport phenomena through mesopores of SBA-16 thin films. At low concentrations, ranging from 10−7 to 10−5 M, the I–V curves of KCl and HCl aqueous solutions were nonlinear. However, at 10−4 and 10−3 M, while I–V curves of KCl aqueous solutions displayed nonlinear behavior, those of HCl aqueous solutions were almost linear. The linear behavior can be attributed to a decrease in the electric potential barrier owing to a reduction in the surface charge density, which is caused by the protonation of silanol groups on the inner surface of mesopores. At high concentrations, ranging from 10−2 to 1 M, the I–V curves of KCl and HCl aqueous solutions were almost linear because the effect of surface charge of mesopores on ion transport was marginal.
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Mamaev, A. V., D. D. Hrynshpan, N. G. Tsygankova, and T. A. Savitskaya. "OBTAINING HIGHLY ACTIVE MESOPOROUS COAL FROM WASTE OF THE WOOD PROCESSING INDUSTRY." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-2-304-307.

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A method for producing of mesoporous activated carbon with a high specific surface area equal to 1289 m2/g is considered. The resulting coal has a very high sorption capacity for methylene blue, equal to 610 mg/g, and also exhibits ion-exchange properties with respect to heavy metal ions. Coal obtained in this method, in terms of its performance, significantly exceeds the best world analogues, but its cost is 4 times lower than the cost of imported activated carbon. Due to the presence of mesopores, activated carbon has a wide range of applications, and its production in Belarus will be profitable and help reduce the amount of wood waste generated.
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Raboin, L., M. Matheron, T. Gacoin, and J. P. Boilot. "Photochromic mesoporous hybrid coatings." In Optical Systems Design, edited by Norbert Kaiser, Michel Lequime, and H. Angus Macleod. SPIE, 2008. http://dx.doi.org/10.1117/12.796486.

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Phuong, Nguyen Thi Truc, Cu Hoang Minh, Hung Hoa Lam, Ngo Tran Hoang Duong, and Long Quang Nguyen. "An Ultrafast and Green Synthesis of Mesoporous Zeolite X for Great Enhancement in Methylene Blue Adsorption." In 5th International Conference on Advanced Materials Science. Switzerland: Trans Tech Publications Ltd, 2023. http://dx.doi.org/10.4028/p-6rb9r6.

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Following the global trend of green material synthesis, the microwave-assisted acid leaching process has significantly reduced the treated time to introduce mesoporosity into zeolite FAU (type X). Instead of hours, mesoporous zeolite has appeared for 5 minutes only. The material's success was demonstrated by various characterizations like the hysteresis loops of the Nitrogen adsorption-desorption curves, the X zeolitic structure through X-ray diffraction (XRD) patterns, and the morphology by scanning electron microscopy (SEM) – energy dispersive X-ray (EDX) spectroscopy analysis. Less than 10 wt% of acetic acid concentration is enough to increase the zeolite's external surface area from 34.4 m2/g to 234.4 m2/g which indicates the formation of mesopores. Intending to enhance mesoporosity while minimizing microporous loss, 0.9 wt% acetic concentration corresponding to 172.6 m2/g external area value and 630 m2/g BET surface area value is prominent in the samples. In addition, mesopore enhancement has played an extreme role in significantly improving the methylene blue adsorption with molecular transport facilitation. Methylene blue adsorption results of all mesoporous zeolites were many times higher (2-6 times) than the original microporous sample under the same adsorption conditions.
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Gue Heo, Sung, and Seok-Jun Seo. "Effect Of Heat-Treatment Temperature On Mesoporous Copper Cobalt Oxide(Cuco2o4) For Supercapacitors." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235764617.

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Mesoporous CuCo2O4 is interesting material for electrodes of high-performance supercapacitors because of their high surface area, controlled porosity and excellent electrochemical properties. In this work, mesoporous CuCo2O4 powders were synthesized using inverse micelle method and analyzed by X-ray diffraction (XRD) and Brunauer-Emmett-Teller analysis (BET). After heat-treatment at 250˚C in oxygen atmosphere, the mesoporous CuCo2O4 powders exhibited high specific surface area of 104 m2/g with pore size of 9 nm. The mesoporous CuCo2O4 electrodes achieved maximum specific capacitance of 132 Fg-1 in 6M of KOH electrolyte. This superior electrochemical supercapacitor property is mainly due to increased surface area.
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Fang, Jin, Laurent Pilon, Christian Reitz, Torsten Brezesinski, E. Joseph Nemanick, and Sarah H. Tolbert. "Thermal Conductivity of Amorphous and Crystalline Mesoporous Titania Thin Films From 30 to 320 K." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44047.

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This paper reports, for the first time, the cross-plane thermal conductivity of amorphous and crystalline templated cubic mesoporous titania thin films from 30 to 320 K. Both sol-gel and nanocrystal-based films were synthesized by evaporation-induced self-assembly with porosity of 30% to 35%, respectively. The pore diameter in sol-gel mesoporous films ranged from 14 to 25 nm and film thickness from 120 to 370 nm. Crystalline domains in crystalline mesoporous films were 9 to 13 nm in diameter. The thermal conductivity was measured between 30 and 320 K using the 3ω method. The experimental setup and the associated analysis were first validated by comparing experimental measurements with data reported in the literature for high purity silicon substrate and thermal oxide films over the temperature range considered. The thermal conductivity of sol-gel dense and mesoporous TiO2 films was found to increase with increasing temperature. The thermal conductivity of polycrystalline dense film was strongly dependent on temperature while that of dense amorphous and mesoporous films increased slowly with increasing temperature. The amorphous mesoporous TiO2 films featured very small thermal conductivity due to the fact that heat was mainly transferred by very localized non-propagating vibrational modes. Despite the particles crystallinity, the nanocrystal-based film showed significantly lower thermal conductivity than that of the sol-gel polycrystalline mesoporous thin films due to the strong phonon scattering at the nanocrystal boundaries.
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Rolley, Etienne, and Annie Grosman. "Anisotropic Poroelasticity of Mesoporous Silicon." In Sixth Biot Conference on Poromechanics. Reston, VA: American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480779.068.

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CHU, LEI, and ZHANG YUAN-MING. "SYNTHESIS OF MESOPOROUS PHOSPHOMOLYBDIC ACID." In Proceedings of the International Symposium on Solid State Chemistry in China. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776846_0025.

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FAN, JIE, CHENGZHONG YU, LIMIN WANG, BO TU, and DONGYUAN ZHAO. "FABRICATION OF THREE-DIMENSIONAL LARGE-PORE MESOPOROUS CHANNELS BASED ON ORDERED MESOPOROUS SILICA MATERIALS." In Proceedings of the International Symposium on Solid State Chemistry in China. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812776846_0038.

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Reports on the topic "Mesoporous"

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Saunders, R. S., J. H. Small, R. R. Lagasse, J. L. Schroeder, and G. M. Jamison. Engineered monodisperse mesoporous materials. Office of Scientific and Technical Information (OSTI), August 1997. http://dx.doi.org/10.2172/527462.

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Brinker, C. Jeffrey, and Yunfeng Lu. Aligned mesoporous architectures and devices. Office of Scientific and Technical Information (OSTI), March 2011. http://dx.doi.org/10.2172/1010416.

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Kandel, Kapil. Multitasking mesoporous nanomaterials for biorefinery applications. Office of Scientific and Technical Information (OSTI), January 2013. http://dx.doi.org/10.2172/1082978.

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Parikh, Bosky. Synthesis, characterization and catalytic studies of N-doped ordered mesoporous carbons and functionalized periodic mesoporous organosilicas. Office of Scientific and Technical Information (OSTI), December 2017. http://dx.doi.org/10.2172/1505185.

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Fang, I.-Ju. Cellular membrane trafficking of mesoporous silica nanoparticles. Office of Scientific and Technical Information (OSTI), January 2012. http://dx.doi.org/10.2172/1048532.

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Shih, Wei-Heng, and Tejas Patil. DEVELOPMENT OF MESOPOROUS MEMBRANE MATERIALS FOR CO2 SEPARATION. Office of Scientific and Technical Information (OSTI), October 2002. http://dx.doi.org/10.2172/804177.

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Wei-Heng Shih, Tejas Patil, and Qiang Zhao. DEVELOPMENT OF MESOPOROUS MEMBRANE MATERIALS FOR CO2 SEPARATION. Office of Scientific and Technical Information (OSTI), March 2003. http://dx.doi.org/10.2172/812171.

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Shih, Wei-Heng, Qiang Zhao, and Nanlin Wang. DEVELOPMENT OF MESOPOROUS MEMBRANE MATERIALS FOR CO2 SEPARATION. Office of Scientific and Technical Information (OSTI), May 2002. http://dx.doi.org/10.2172/795760.

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Shih, Wei-Heng, Qiang Zhao, and Tejas Patil. DEVELOPMENT OF MESOPOROUS MEMBRANE MATERIALS FOR CO2 SEPARATION. Office of Scientific and Technical Information (OSTI), May 2002. http://dx.doi.org/10.2172/795762.

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Strosahl, Kasey Jean. Selective catalysis utilizing bifunctionalized MCM-41 mesoporous materials. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/850044.

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