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Online since: September 2013
Authors: Hong Sheng Wang, Hai Feng Suo
Synthesis and Structure of a Two-Dimensional Metal-Organic Framework: [Fe(C7H3NO4)(H2O)2]n Hongsheng Wang1, a and Haifeng Suo2, b 1 School of Chemistry and Chemical Engineering, Xuchang University, Xuchang, Henan, 461000, P.
Its crystal structure was determined by single crystal X-ray diffraction.
These coordination geometries are interlinked into a 2D alveolate net structure.
The MOFs obtained not only can be used as functional materials but also can have novel topological structures.
X-ray structure determination.
Online since: August 2013
Authors: Jia Zhao, Jun Li, E.L. Yong, Yin Han Gong
Chemical structure of 1-phenyl-1-propanol Experimental Instrumentation.
Chemical structure of C4CD-HPS Chromatographic procedure.
Lee: Analytical Chemistry, 75 (2003) 1348-1354
Lee: Journal of Heterocyclic Chemistry, 38 (2001) 1317-1321
Iyo: Journal of Polymer Science: Part A: Polymer Chemistry, 37 (1999) 1805–1814
Online since: March 2016
Authors: Salasiah Endud, Hendrik O. Lintang, Norsahika Mohd Basir
The decreased might be related to the formation of a partial delaminated structure and disordering of the MMT layer arrangement.
However, the disappearance of the d001 peak is an indication that the layered structure of PMMT was substantially destroyed.
Olah, Friedel-Crafts Chemistry, Wiley-Interscience, New York, 1973
Clark, Solid acids for green chemistry, Acc.
Evidence for anion-anion interactions in molybdenum (VI) and tungsten (VI) compounds related to the Keggin structure, Inorg Chem. 22 (1983) 207-216
Online since: November 2015
Authors: Zai Sheng Cai, Bi Xu, Feng Yan Ge, Yin Yan Ding
There are some perfect self-cleaning surfaces in nature, such as the lotus leaves which obtain superhydrophobic self-cleaning property resulting from their hierarchical micro/nanoscale binary structures [2].
The rough structure is important to build a superhydrophobic surface.[8] In contrast, the cotton fabrics treated with TiO2-SiO2-PDMS in Fig. 2c indicate a less rough surface because a layer of PDMS thin film covered the TiO2-SiO2 nanocomposites.
The extremely porous structure in conjunction with abundant methyl groups endows TiO2-SiO2 nanocomposite particles coated cotton fabric superhydrophobic property[11].
Journal of Materials Chemistry, 2007. 17: p. 3504-3508
Journal of Materials Chemistry A, 2014. 2: p. 18005-18011
Online since: October 2014
Authors: Alfred A. Christy
Glycogen has a structure similar to amylopectin but highly branched.
Chemical structures of maltotriose, maltopentaose and amylose.
The chemical structures of maltotriose, maltopentaose and amylose are shown in Fig. 1.
Ladisch, Chemistry and Properties of Starch Based Desiccants.
Christy, Chemistry of Desiccant Properties of Carbohydrate Polymers as Studied by Near Infrared Spectroscopy, Ind.
Online since: August 2023
Authors: Takeshi Hattori
To meet stricter wafer cleanliness requirements, single-wafer spin cleaning with novel chemistries and physical aids has been widely used in replacement of traditional batch-immersion cleaning.
To meet stricter wafer cleanliness requirements, single-wafer spin cleaning with novel chemistries and physical aids has been widely used in replacement of traditional batch-immersion cleaning since the 1990s.
Present Status and Future Prospects Conventional aqueous cleaning/drying tends to collapse free-standing MEMS and high-aspect-ratio fragile LSI structures due to the high surface tension of aqueous chemicals and water.
The use of physical cleaning aids such as megasonic agitation with dilute chemistry or high-pressure atomizing jet sprays can also cause damage to nanostructures.
・Environmentally benign wafer cleaning to meet the carbon neutral requirement Completely new materials and device structures will be introduced in the near future.
Online since: December 2012
Authors: Si Qin Zhao, Hong Liang Wan, S. Asuha
Asuhab Chemistry & Environment Science College, Inner Mongolia Normal University, and Key Laboratory of Physics and Chemistry of Functional Materials, Inner Mongolia, 81 Zhaowudalu, Huhhot 010022, China azhaosq@imnu.edu.cn,basuha42@yahoo.com.cn Key words: Nanowire TiO2; Eu3+ -doped; photocatalytic activity Abstract.
According to the figure, the as- synthesized nanowires which had fibrous structure showed high crystallization and uniform thickness with a diameters around 50~200 nm and in lengths from several microns to several dozens microns.
As seen in the figure, although the TiO2 and Eu3+/TiO2 nanowires, which were prepared from the Na2Ti3O7 nanowires via ion exchange (i.e., with H+ and Eu3+ ions) and high temperature sintering processes, fractured and aggregated, they basically kept the linear structure.
Although both TiO2 and Eu3+/TiO2 nanowires fractured and aggregated, they basically kept the linear structure.
Hydrogen titanate nanofibers covered with anatase nanocrystals:A delicate structure achieved by the wet chemistry reaction of the titanate nanofibers, Am.Chem.
Online since: March 2013
Authors: Mohamad Rusop, A.Z. Zainurul, Saifollah Abdullah
Motooka, Formation and catalytic characterization of various rare earth phosphates, Journal of Materials Chemistry, 12 (2002) 1754-1760
Zhong-lin, Conversion of zinc oxide nanobelts into superlattic-structured nanohelics [J].
Yamamoto, Protonic conduction in rare earth orthophosphates with the monazite structure, Solid State Ionics, 162–163 (2003) 161-165
Han, Sol-gel synthesis and photoluminescent properties of LaPO4:A (A = Eu3+, Ce3+, Tb3+) nanocrystalline thin films, Journal of Materials Chemistry, 13 (2003) 1413-1419
Fisher, Synthesis of LaPO4:Eu Nanostructures Using the Sol−Gel Template Method, The Journal of Physical Chemistry C, 112 (2008) 1901-1907
Online since: July 2014
Authors: Qing Hua Xu, Wen Run Yao
The mechanism of fibrillation in a grinder is to breaker down hydrogen bond and cell wall structure by the shearing forces, and hence generate nanosized individualized fibers [7].
It has some unique advantages such as, high surface area, high Young's modulus, prominent nanosized structure, etc.
Dawson-Andoh and D.Schwegler-Berry: Green Chemistry (2009)
Luo: Green Chemistry (2011)
Yuan: Chemistry Letters (2008)
Online since: September 2013
Authors: Zai Wu Yuan, Meng Hua Qin, Hong Juan Geng
Aerogel is obtained by employing air rather than liquid into hydrogel without altering the network structure or volume of the gel.
Aerogel is a porous material with multi-hierarchical structure.
Ma, et al.: Journal of Materials Chemistry Vol. 22 (2012), p. 22467
Wu: The Journal of Physical Chemistry C Vol. 116 (2012), p. 8063
Xiang, et al.: Chemistry of Materials Vol. 20 (2008), p. 3623