Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: March 2007
Authors: Bilge Saruhan, Marion Bartsch, Uwe Schulz
This
requires, beside the new chemistries, the identification and optimization of new process parameters.
Similarly, layered structures with likewise reduced conductivity are obtained with multilayered structure developed by two different chemistries.
In both cases however care has to be taken to stabilize the layered structure.
Morphologically La2Zr2O7 based coatings are similar to cubic structured EB-PVD TBCs (Fig. 8).
Non-zirconia chemistries involve metal oxide doped hexaluminates which also have very low intrinsic thermal conductivities.
Similarly, layered structures with likewise reduced conductivity are obtained with multilayered structure developed by two different chemistries.
In both cases however care has to be taken to stabilize the layered structure.
Morphologically La2Zr2O7 based coatings are similar to cubic structured EB-PVD TBCs (Fig. 8).
Non-zirconia chemistries involve metal oxide doped hexaluminates which also have very low intrinsic thermal conductivities.
Online since: January 2014
Authors: Yun Ren Qiu, Huan Na Han
Effect of bore liquid flow rate on the structure and performance of poly(vinyl chloride) hollow fiber membrane
Yunren Qiu1,2,a, Huanna Han1,b
1School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
2 Key Laboratory of Resources Chemistry of Nonferrous Metals, Ministry of education, China
acsu_tian@csu.edu.cn, qiuyunren@gmail.com, b475400611@qq.com
Keywords: Bore liquid flow rate; non-solvent induced phase separation; poly (vinyl chloride); hollow fiber membrane
Abstract.
Nose, Preparation and structures of the poly (vinyl chloride) porous membranes, J.
Membrane structure.
The overall structures are similar and present a special finger-sponge-finger-like pore structures.
The formation of such structures can be attributed to the rapid precipitation occurred at both the inner and outer surfaces close to coagulants (water) resulting in finger structures but the slow precipitation at the intermediate layer of the nascent fiber giving the sponge-like structures [[] K.
Nose, Preparation and structures of the poly (vinyl chloride) porous membranes, J.
Membrane structure.
The overall structures are similar and present a special finger-sponge-finger-like pore structures.
The formation of such structures can be attributed to the rapid precipitation occurred at both the inner and outer surfaces close to coagulants (water) resulting in finger structures but the slow precipitation at the intermediate layer of the nascent fiber giving the sponge-like structures [[] K.
Online since: June 2014
Authors: Yan Dan Huang, Ying Bin Lin, Zhi Gao Huang
Goodenough, et al., Electronic, optical, and magnetic properties of LiFePO4: small magnetic polaron effects, Chemistry of materials, 19 (2007) 3740-3747
Ishikawa, Optimized condition of high-frequency induction heating for LiFePO4 with ideal crystal structure, Journal of Power Sources, 243 (2013) 617-621
Rodríguez-Castellón, et al., Effect of C and Au additives produced by simple coaters on the surface and the electrochemical properties of nanosized LiFePO4, Journal of Electroanalytical Chemistry. 631 (2009) 29-35
Feng, The preparation and electrochemical performances of LiFePO4 multiwalled nanotubes composite cathode materials for lithium ion batteries, Materials Chemistry and Physics, 121 (2010) 302-307
Zhou, et al., Electrochemical performance of LiFePO4/Si composites as cathode material for lithium ion batteries, Materials Chemistry and Physics, 138 (2013) 313-318.
Ishikawa, Optimized condition of high-frequency induction heating for LiFePO4 with ideal crystal structure, Journal of Power Sources, 243 (2013) 617-621
Rodríguez-Castellón, et al., Effect of C and Au additives produced by simple coaters on the surface and the electrochemical properties of nanosized LiFePO4, Journal of Electroanalytical Chemistry. 631 (2009) 29-35
Feng, The preparation and electrochemical performances of LiFePO4 multiwalled nanotubes composite cathode materials for lithium ion batteries, Materials Chemistry and Physics, 121 (2010) 302-307
Zhou, et al., Electrochemical performance of LiFePO4/Si composites as cathode material for lithium ion batteries, Materials Chemistry and Physics, 138 (2013) 313-318.
Online since: October 2010
Authors: Wolfgang M. Sigmund, Hyoung Jun Park
TiO2 calcined at 800°C also achieved the polymorphic structure of anatase and rutile phases, however showed significant grain growth.
For the rutile fibers in Fig. 3 (D, E), the fibers have a chain-like structure composed of single grains.
Journal of Physical Chemistry B, 2000. 104(16): p. 3930-3936. 3.
Journal of Physical Chemistry B, 2005. 109(2): p. 977-980. 4.
Chemistry of Materials, 2007. 19(26): p. 6536-6542. 6.
For the rutile fibers in Fig. 3 (D, E), the fibers have a chain-like structure composed of single grains.
Journal of Physical Chemistry B, 2000. 104(16): p. 3930-3936. 3.
Journal of Physical Chemistry B, 2005. 109(2): p. 977-980. 4.
Chemistry of Materials, 2007. 19(26): p. 6536-6542. 6.
Online since: January 2002
Authors: Alexander M. Korsunsky, Jonathan R. Tuck, Svetlana A. Barseghyan, Aghasi R. Torosyan
Korsunsky
3
and Svetlana A.Barseghyan1
1
Institute of General and Inorganic Chemistry, National Academy of Sciences, 2-tup,
10 Argutyan Street, 375051 Yerevan, Armenia
2
Department of Engineering Science, University of Oxford, Parks Road, Oxford OX1 3PJ, UK
Keywords: Mechanical Alloying MA, Metallic Coating, Solid-State Chemistry, Tribology, Wear
ABSTRACT
A novel approach for metal surface modification and finishing is proposed and developed based on
the in situ mechanochemical processing of metal oxides in reducing media.
It is our intention to use this technique in the future in order to clarify the coating structure and the relationship in which it stands with the mechanical properties.
The use of solid state chemistry opens opportunities for control over the composition and structure of the resulting coating, in the same way as mechanical alloying allows novel amorphous and nanocrystalline powders to be obtained.
It is our intention to use this technique in the future in order to clarify the coating structure and the relationship in which it stands with the mechanical properties.
The use of solid state chemistry opens opportunities for control over the composition and structure of the resulting coating, in the same way as mechanical alloying allows novel amorphous and nanocrystalline powders to be obtained.
Online since: January 2026
Authors: Yarou Mohssen Hasseb Elsayed, Sharifah Aminah Syed Mohamad, Suraya Ahmad Kamil, Mohd Zaki Mohd Yusoff
Structure and Properties of Zinc Oxide Nanoparticles (ZnO-NPs).
1.1.
These three structures are shown in Figure 1.
Rantala, Porphyrin adsorbed on the (101̅0) surface of the wurtzite structure of ZnO – Conformation induced effects on the electron transfer characteristics, Physical Chemistry Chemical Physics, 15 (2013), 17408-17418
Reeja-Jayan, E. de La Rosa, et al., Synthesis of assembled ZnO structures by precipitation method in aqueous media, Materials Chemistry and Physics, Vol. 115, Issue 1 (2009), 172–178
Prince, Mechanism of formation and structure of micro emulsions by electron microscopy, The Journal of Physical Chemistry, 63 (1959), 1677–1680
These three structures are shown in Figure 1.
Rantala, Porphyrin adsorbed on the (101̅0) surface of the wurtzite structure of ZnO – Conformation induced effects on the electron transfer characteristics, Physical Chemistry Chemical Physics, 15 (2013), 17408-17418
Reeja-Jayan, E. de La Rosa, et al., Synthesis of assembled ZnO structures by precipitation method in aqueous media, Materials Chemistry and Physics, Vol. 115, Issue 1 (2009), 172–178
Prince, Mechanism of formation and structure of micro emulsions by electron microscopy, The Journal of Physical Chemistry, 63 (1959), 1677–1680
Online since: July 2011
Authors: Zulkifli Ahmad, Yien Tyng Looi, Rafiza Ramli, Muhammad Bisyrul Hafi Othman
Chemical structure of HTP was characterized using FTIR and H-NMR.
H-NMR analysis was performed to confirm the structure of synthesized HTP.
Structure confirmation of synthesized HTP (a) FTIR spectrum of PDMS with Si-H terminated groups.
Julian, Progress in organosilicon chemistry, Taylor & Francis, 1995
[6] D.Stoye, W.Freitag, G.Beuschel, Resins for coatings: Chemistry, Properties, and Applications, US: Hanser Verlag, 1996.
H-NMR analysis was performed to confirm the structure of synthesized HTP.
Structure confirmation of synthesized HTP (a) FTIR spectrum of PDMS with Si-H terminated groups.
Julian, Progress in organosilicon chemistry, Taylor & Francis, 1995
[6] D.Stoye, W.Freitag, G.Beuschel, Resins for coatings: Chemistry, Properties, and Applications, US: Hanser Verlag, 1996.
Online since: October 2017
Authors: Radchada Buntem, Kanidtha Chuapanit
FTIR spectroscopy can be used for the determination of the molecular structure of silk fibroin.
FTIR spectroscopy can be used for the determination of the molecular structure of silk fibroin.
The crystalline structures of all samples were analyzed by X-ray diffraction.
Silk is usually composed of two types of crystalline structure proposed for silk, silk I and silk II [28].
Kaplan, Modification of silk fibroin using diazonium coupling chemistry and the effects on hMSC proliferation and differentiation, Biomaterials. 29 (2008) 2829-2838
FTIR spectroscopy can be used for the determination of the molecular structure of silk fibroin.
The crystalline structures of all samples were analyzed by X-ray diffraction.
Silk is usually composed of two types of crystalline structure proposed for silk, silk I and silk II [28].
Kaplan, Modification of silk fibroin using diazonium coupling chemistry and the effects on hMSC proliferation and differentiation, Biomaterials. 29 (2008) 2829-2838
Online since: January 2016
Authors: Mohd Zahid Abdul Malek, Zuhana Ahmad Zubir, Mat Tamizi Zainuddin, Noor Zalikha Mohamed Islam, Hendrik Kosslick, Shamsul Azrolsani Abdul Aziz Nazri, Shahrul Nizam Md Salleh, Mohd Syaifurizwan Abdul Aziz, Mohamed Izat Mohd Ezwan
All phase of the samples exhibited anatase and brookite structure.
These mixed crystal structure formation agreed with previous research that the composition ratio of TiO2 powders depended on urea concentration [5].
The low degradation efficiencies in single and codoped TiO2 can be best explained by looking into the formation of crystal phases structures for both bare and metal-modified TiO2 materials.
Bahnemann, Tailored titanium dioxide nanomaterials: anatase nanoparticles and brookite nanorods as highly active photocatalyst, Chemistry of Materials. 22 (2010) 2050-2060
Hoffmann, Effects of single metal-ion doping on the visible-light photoreactivity of TiO2, Journal Physical Chemistry. 114 (2010) 783–792
These mixed crystal structure formation agreed with previous research that the composition ratio of TiO2 powders depended on urea concentration [5].
The low degradation efficiencies in single and codoped TiO2 can be best explained by looking into the formation of crystal phases structures for both bare and metal-modified TiO2 materials.
Bahnemann, Tailored titanium dioxide nanomaterials: anatase nanoparticles and brookite nanorods as highly active photocatalyst, Chemistry of Materials. 22 (2010) 2050-2060
Hoffmann, Effects of single metal-ion doping on the visible-light photoreactivity of TiO2, Journal Physical Chemistry. 114 (2010) 783–792
Online since: May 2014
Authors: Feng Bin
This paper introduces the basic structure and operating principle of DSSC.
DSSC basic structure and operating principle The basic structure of the dye-sensitized solar cell is mainly composed of a semiconductor thin film nanometer porous, dye sensitizer, a redox electrolyte, the electrode and the conductive substrate.
Dye-Sensitized Solar Cells Progress in Chemistry [J] .2006, 18 (11): 1409 [4] O'Regan, B.
Journal of Physical Chemistry B. 2004 [6] Baichao An, Qingdong Qiao.
Chemistry A European Journal . 2008
DSSC basic structure and operating principle The basic structure of the dye-sensitized solar cell is mainly composed of a semiconductor thin film nanometer porous, dye sensitizer, a redox electrolyte, the electrode and the conductive substrate.
Dye-Sensitized Solar Cells Progress in Chemistry [J] .2006, 18 (11): 1409 [4] O'Regan, B.
Journal of Physical Chemistry B. 2004 [6] Baichao An, Qingdong Qiao.
Chemistry A European Journal . 2008