Добірка наукової літератури з теми "KTiNbO5"

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Статті в журналах з теми "KTiNbO5"

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Du, G. H., Y. Yu, Q. Chen, R. H. Wang, W. Zhou, and L. M. Peng. "Exfoliating KTiNbO5 particles into nanosheets." Chemical Physics Letters 377, no. 3-4 (August 2003): 445–48. http://dx.doi.org/10.1016/s0009-2614(03)01202-8.

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2

Lv, Wei, Jie He, Andong Xu, Lifang Hu, and Liangguo Da. "Structure and Photocatalytic Activity of Nitrogen-doped HTiNbO5 Nanosheet Aggregation." Nano 12, no. 01 (January 2017): 1750003. http://dx.doi.org/10.1142/s1793292017500035.

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Анотація:
Nitrogen-doped HTiNbO5 nanosheet (N-HTiNbO5-NS) aggregation was successfully obtained through a series of process, including preparation of nitrogen-doped precursor (N-KTiNbO5), proton-exchange of N-KTiNbO5 and exfoliation of N-HTiNbO5. The structures of the as-prepared samples are characterized by means of powder X-ray diffraction (XRD), Scan electron microscopy (SEM), Transmission electron microscopy (TEM), N2 adsorption-desorption isotherms UV-visible diffuse reflectance spectroscopy (UV-Vis-DRS), Laser Raman spectroscopy (LRS), X-ray photoelectron spectroscopy (XPS) and Thermogravimetric analysis-differential scanning calorimetry (TG-DSC). The catalytic activities of the as-prepared samples are evaluated by the photocatalytic degradation of methylene blue (MB) aqueous solution under visible light irradiation. The results reveal that N-HTiNbO5-NS due to the large specific surface area and brilliant visible light response exhibits a relatively excellent photocatalytic activity in the decomposition of MB under visible light irradiation.
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3

Tagaya, H., K. Saito, T. Kuwahara, J. Kadokawa, and K. Chiba. "Intercalation of organic compounds into layered titanoniobate KTiNbO5." Catalysis Today 16, no. 3-4 (May 3, 1993): 463–70. http://dx.doi.org/10.1016/0920-5861(93)80086-g.

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Lin, Hsin-Yu, and Yung-Shun Chang. "Photocatalytic water splitting for hydrogen production on Au/KTiNbO5." International Journal of Hydrogen Energy 35, no. 16 (August 2010): 8463–71. http://dx.doi.org/10.1016/j.ijhydene.2010.06.006.

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5

Li, Shanzhong, Wei Wu, Yao Zhai, Xiaobo Zhang, Chao Liu, Lin Liu, and Zhiwei Tong. "Photoelectrochemical and characterization of intercalation compound of KTiNbO5 with methylviologen." Solid State Sciences 12, no. 4 (April 2010): 522–26. http://dx.doi.org/10.1016/j.solidstatesciences.2009.12.018.

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6

Im, Mir, Sang-Hyo Kweon, Jin-Seong Kim, Sahn Nahm, Ji-Won Choi, and Seong-Ju Hwang. "Microstructural variation and dielectric properties of KTiNbO5 and K3Ti5NbO14 ceramics." Ceramics International 40, no. 4 (May 2014): 5861–67. http://dx.doi.org/10.1016/j.ceramint.2013.11.028.

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7

Chausson, Sophie, Richard Retoux, Jean-Michel Rueff, Loïc LE Pluart, Pierre-Jean Madec, and Paul-Alain Jaffres. "Elaboration and characterization of novel polyamide-12-layered titanoniobates nanocomposites." Journal of Materials Research 24, no. 11 (November 2009): 3358–71. http://dx.doi.org/10.1557/jmr.2009.0410.

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Анотація:
This article describes the synthesis and the characterization of a polyamide-12 filled with a nanostructured organic/inorganic titanoniobate hybrid material. The pristine oxide KTiNbO5 has been successfully organomodified by N-alkyl amines via an acido-basic reaction after a cationic exchange step as shown by x-ray diffraction. Transmission electron microscope study and scanning transmission electron microscope observations have been used to describe the change of morphology of the nanofillers before and after processing; the micronic aggregates were changed into single sheets and dispersed in the polymer. Thermomechanical properties of the composites have been determined, and their analyses with structure-properties models are consistent with the exfoliation of the organomodified titanoniobates.
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Takahashi, Hiroyuki, Masato Kakihana, Yohichi Yamashita, Kiyohide Yoshida, Shigeru Ikeda, Michikazu Hara, and Kazunari Domen. "Synthesis of NiO-loaded KTiNbO5 photocatalysts by a novel polymerizable complex method." Journal of Alloys and Compounds 285, no. 1-2 (June 1999): 77–81. http://dx.doi.org/10.1016/s0925-8388(98)00968-2.

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Chausson, Sophie, Vincent Caignaert, Richard Retoux, Jean-Michel Rueff, Loïc Le Pluart, Pierre-Jean Madec, and Paul-Alain Jaffrès. "Polyethylene nanocomposites based on intercalation of N-alkyl amines within KTiNbO5 structure." Polymer 49, no. 2 (January 2008): 488–96. http://dx.doi.org/10.1016/j.polymer.2007.11.050.

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10

Zhang, Xiaobo, Chao Liu, Lin Liu, Dongen Zhang, Tianlin Zhang, Xingyou Xu, and Zhiwei Tong. "Intercalation of methylene blue into layered potassium titanoniobate KTiNbO5: characterization and electrochemical investigation." Journal of Materials Science 45, no. 6 (December 30, 2009): 1604–9. http://dx.doi.org/10.1007/s10853-009-4134-z.

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Дисертації з теми "KTiNbO5"

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陳宣宇. "Study on synthesis and photoelectrochemical properties of KTiNbO5." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/12313152400342371151.

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Анотація:
碩士
大同大學
材料工程研究所
90
Due to the depletion of conventional energy resources, and people are to pay much attention to environmental consciousness, it is urgent to search alternative fuels that should be environmentally and economically attractive. Thus, that production of hydrogen is one of the best ways to develop low pollution energy source. The main objective of this work is to utilize the photoelectrochemistry properties of KTiNbO5 in device of hydrogen generation from water hydrolysis. And try to perceive the contrast with KTiNbO5 prepared by the conventional solid-state reaction method and chemical reaction method. Another way, we fine that the loading nickel would dramatically promote the activity of KTiNbO5. The KTiNbO5 loaded with nickel and with high surface area were prepared for water photodecomposition. There were quality photocurrent for loading of 1% nickel, but the photocurrent will decrease when increase of nickel.
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潘星佑. "Structural modification and photocatalytic properties of two lamellar semiconductive oxides :KTiNbO5 and K3Ti5NbO14." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/61330069796496659008.

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Анотація:
碩士
國立中正大學
化學研究所
89
Here we report the syntheses and structural modification of two potential photocatalytic materials, KTiNbO5 (I) and K3Ti5NbO14(II). After treating with excess acid to ion-exchange K+ cations, their protonated forms were obtained. HTiNbO5 and H3Ti5NbO14 were then intercalated with alkylamines of various lengths to expand the interlayered spacings so as to introduce the precursor molecules, M(OEt)4 [M = Si, Ti], Ti(OiPr)4, or NH2(CH2)3Si(OEt)3, in between the layers. Subsequent calcinations resulted in the pillaring of SiO2 or TiO2 inside the two dimensional frameworks, as indicated by the expansion of d-spacings determined by X-ray powder diffraction data. As a consequence, microporous materials were fabricated. As a consequence of pillaring, the maximum specific surface area (BET, N2) can be improved to 323 m2/g from less than 10 m2/g of the starting materials KTiNbO5 and K3Ti5NbO14. Silica- or titana-pillared titanoniobates, with larger surface areas, also exhibit better photocatalytic efficiency in the decomposition of salicylic acid than KTiNbO5 and K3Ti5NbO14. HTiNbO5 and H3Ti5NbO14 can be exfoliated reversibly by shorter surfactants, namely ethylamine, or by tetrabutylammonium hydroxide, resulting in colloidal suspension of monolayers, with dimensions ranging from 0.01 to 1μm. Upon photodegrading a probe dye, Orange II, such suspension exhibited remarkably better catalytic activity than P-25 TiO2.
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Частини книг з теми "KTiNbO5"

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Ohbayashi, Kazushige. "Piezoelectric Properties and Microstructure of (K,Na)NbO3– KTiNbO5 Composite Lead-Free Piezoelectric Ceramic." In Piezoelectric Materials. InTech, 2016. http://dx.doi.org/10.5772/62869.

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