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Online since: July 2010
Authors: M.G. Manjunatha, Pramod Kumar Hegde, Airody Vasudeva Adhikari
G. a, Airody Vasudeva Adhikari b* and Pramod Kumar Hegde c
Organic Chemistry Division, Department of Chemistry, National Institute of Technology Karnataka,
Surathkal, Mangalore-575025, India.
The latest approach involves modification of the chemical structure of emitting polymer molecules, i.e., design of new conjugated polymers with the desired HOMO and LUMO levels.
The structures of newly synthesized compounds were confirmed by their FTIR, 1H NMR, Mass spectral and elemental analyses.
The study reveals that donor-acceptor structure such as the one synthesized could be a promising molecular design for synthetically tuning HOMO and LUMO energy levels of conjugated polymers.
The latest approach involves modification of the chemical structure of emitting polymer molecules, i.e., design of new conjugated polymers with the desired HOMO and LUMO levels.
The structures of newly synthesized compounds were confirmed by their FTIR, 1H NMR, Mass spectral and elemental analyses.
The study reveals that donor-acceptor structure such as the one synthesized could be a promising molecular design for synthetically tuning HOMO and LUMO energy levels of conjugated polymers.
Online since: November 2025
Authors: Ganbat Batdemberel, Gonchigsuren Munkhsaikhan, Orgodolzangiat Erdenetuya, Bayarsaikhan Odontuya, Yunden Ganchimeg, Dugerjav Otgonbayar, Erdene Ochir Gurbadam, Sereenen Jargalan
All exfoliated samples exhibit a sheet-like structure with different orientations.
X-ray diffraction (XRD) was performed to investigate the phase structure of the exfoliated MoS2 in IPA and IPA: DI=1:2 solutions.
Eda et al., The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets.
Onishi, Quantum chemistry in functional inorganic materials, Adv.
Feldman, Solution-processed anodes from layer-structure materials for high-efficiency polymer light-emitting diodes, J.
X-ray diffraction (XRD) was performed to investigate the phase structure of the exfoliated MoS2 in IPA and IPA: DI=1:2 solutions.
Eda et al., The chemistry of two-dimensional layered transition metal dichalcogenide nanosheets.
Onishi, Quantum chemistry in functional inorganic materials, Adv.
Feldman, Solution-processed anodes from layer-structure materials for high-efficiency polymer light-emitting diodes, J.
Online since: November 2018
Authors: Hamimah Abdul Rahman, Sufizar Ahmad, Khalid Saluiman Abdallah, Andanastuti Muchtar, Siti Fairus Mohammad
Structure and electrochemical properties of Sm0.5Sr0.5Co1−xFexO3−δ cathodes for solid oxide fuel cells.
Structure and thermal properties of La0.6Sr0.4Co0.2Fe0.8O3−δ–SDC carbonate composite cathodes for intermediate- to low-temperature solid oxide fuel cells.
Nanofiber-structured SSC–GDC composite cathodes for a LSGM electrolyte based IT-SOFCs.
Nanocrystalline Sm0.5Sr0.5CoO3-δ synthesized using a chelating route for use in IT-SOFC cathodes: Microstructure, surface chemistry and electrical conductivity.
Journal of Solid State Chemistry, 210(1)(2013) 53–59.
Structure and thermal properties of La0.6Sr0.4Co0.2Fe0.8O3−δ–SDC carbonate composite cathodes for intermediate- to low-temperature solid oxide fuel cells.
Nanofiber-structured SSC–GDC composite cathodes for a LSGM electrolyte based IT-SOFCs.
Nanocrystalline Sm0.5Sr0.5CoO3-δ synthesized using a chelating route for use in IT-SOFC cathodes: Microstructure, surface chemistry and electrical conductivity.
Journal of Solid State Chemistry, 210(1)(2013) 53–59.
Online since: September 2011
Authors: Jian Wang, Hong Bing Yang
The force structure of pre-optimal and post-optimal multi-span grape rain shed is analyzed by GSCAD.
Analysis of grape shed rain force structure based on GSCAD.
The force analysis of grape rain shed is carried out by greenhouse structure GSCAD software.
GSCAD is one function module of the PKPM software, and modeling greenhouse structure, section optimization, structure calculation and material consumption statistics can be fulfilled by GSCAD.
Modern Greenhouse Engineering (Publishing House of Chemistry and Industry, China 2003).
Analysis of grape shed rain force structure based on GSCAD.
The force analysis of grape rain shed is carried out by greenhouse structure GSCAD software.
GSCAD is one function module of the PKPM software, and modeling greenhouse structure, section optimization, structure calculation and material consumption statistics can be fulfilled by GSCAD.
Modern Greenhouse Engineering (Publishing House of Chemistry and Industry, China 2003).
Online since: January 2015
Authors: Ling Bo Kong, Gang Zhao, Xian Zhang
The structure material in defines the characteristic received products.
Aggressive chemical mediums when in contact with polymeric material cause irreversible changing of their chemical structure.
Both processes lead to the structure of compositional material destruction.
The structure of the material changes, chemical and intermolecular ties being described and the other part being stretches.
Polymer destruction in aggressive mediums. – M.: Chemistry, 1972.279 p
Aggressive chemical mediums when in contact with polymeric material cause irreversible changing of their chemical structure.
Both processes lead to the structure of compositional material destruction.
The structure of the material changes, chemical and intermolecular ties being described and the other part being stretches.
Polymer destruction in aggressive mediums. – M.: Chemistry, 1972.279 p
Online since: December 2011
Authors: Da Sen Bi, Liang Chu, Yao Dong Zhou
The frame is six-pole composite structure and mainly consist of subframe such as upper beam, slide, lower beam, six columns, moving workbench and so on.
The upper beam, lower beam and six columns make up of the combined gantry frame structure preloaded by six pull rods.
On account of the press frame’s large-scale, complicated multi-component and multi-detail structures, if not simplified it would add to calculation difficulty and reduce calculation accuracy, even make the calculation to fail to proceed.
(3)The max deformation appearing in slide significantly bigger than the deformation in other components, so, the steel plate welded structure of slide should be optimized to enhance the stiffness
Acknowledgement This work was supported by Tianjin scientific and technical support project under Grant No. 09ZCKFGX02700, and Tianjin Key Subject for Materials Physics and Chemistry.
The upper beam, lower beam and six columns make up of the combined gantry frame structure preloaded by six pull rods.
On account of the press frame’s large-scale, complicated multi-component and multi-detail structures, if not simplified it would add to calculation difficulty and reduce calculation accuracy, even make the calculation to fail to proceed.
(3)The max deformation appearing in slide significantly bigger than the deformation in other components, so, the steel plate welded structure of slide should be optimized to enhance the stiffness
Acknowledgement This work was supported by Tianjin scientific and technical support project under Grant No. 09ZCKFGX02700, and Tianjin Key Subject for Materials Physics and Chemistry.
Online since: May 2006
Authors: C. Christodoulou, E.S. Kikkinidis, A. Ioannidou, M. Daniil, Mary Konstantakou, Th.A. Steriotis, Sofoklis S. Makridis, Athanasios K. Stubos
., GR-50100, Kozani, Greece
3
Frederick Research Center (FRC), Nicosia, Cyprus
4 Institute of Physical Chemistry, NCSR "Demokritos", Ag.
The crystal structure has been analyzed by means of x-ray diffraction (XRD) while a Rietveld analysis has been performed on the x-ray diffraction patterns and the characteristic MgZn2 type of structure has found to be the dominant phase in both compounds.
The crystal structure has been analyzed by means of x-ray diffraction (XRD) while a Rietveld analysis has been performed on the x-ray diffraction patterns in order to determine the crystal structure characteristics.
RIETICA program has been used for the structure refinement, by using the Rietveld method [2,3].
A characteristic MgZn2 (C14) type of structure was found for both samples while Ti addition changes drastically the intensity of some peaks.
The crystal structure has been analyzed by means of x-ray diffraction (XRD) while a Rietveld analysis has been performed on the x-ray diffraction patterns and the characteristic MgZn2 type of structure has found to be the dominant phase in both compounds.
The crystal structure has been analyzed by means of x-ray diffraction (XRD) while a Rietveld analysis has been performed on the x-ray diffraction patterns in order to determine the crystal structure characteristics.
RIETICA program has been used for the structure refinement, by using the Rietveld method [2,3].
A characteristic MgZn2 (C14) type of structure was found for both samples while Ti addition changes drastically the intensity of some peaks.
Online since: October 2014
Authors: Guo Tong Ng, Chui Kim Ng
SEM observation revealed that paper made from mixed bio-fibres have lightly cross-linked structures compared to heavily cross-linked or compact network structures found in commercial papers.
The structure of the fibres remained the same indicating the heating temperature or the pressure was not high enough to break the structure of the bio-fibres.
Mechanical pulping process could help to produce a finer and more uniform fibre structure, which would contribute to higher fibre strength and bonding.
Fig. 4 shows the two types of tissue papers have more heavily cross-linked structures while Fig. 5 shows that compact network structures were found in the commercial papers that have the lowest water absorption rate.
Laboratory and pilot plant scale ASAM-pulping of soft-and hardwoods and chlorine free bleaching of the resulting pulps. in Proc. of Second Brazilian Symp. on the Chemistry of Lignins and Other Wood Components. 1992
The structure of the fibres remained the same indicating the heating temperature or the pressure was not high enough to break the structure of the bio-fibres.
Mechanical pulping process could help to produce a finer and more uniform fibre structure, which would contribute to higher fibre strength and bonding.
Fig. 4 shows the two types of tissue papers have more heavily cross-linked structures while Fig. 5 shows that compact network structures were found in the commercial papers that have the lowest water absorption rate.
Laboratory and pilot plant scale ASAM-pulping of soft-and hardwoods and chlorine free bleaching of the resulting pulps. in Proc. of Second Brazilian Symp. on the Chemistry of Lignins and Other Wood Components. 1992
Online since: October 2015
Authors: Rochim Suratman, Asep Ridwan Setiawan, Raden Dadan Ramdan
It can be seen that NiAl-La2O3 has more porous structure as a result of coarser particles as compared with NiAl-La2O3 structure.
After oxidation, it can be seen from Figure 3(b) and (d), there is indication of partially melting of the coating particles and induced in the less porous structure after the process.
On the other hand, almost similar structure can be observed for Cr2O3-La2O3 layer.
This condition is predicted due to finer structure of the former coating as compared with later coating layer.
Zaza, Materials Chemistry and Physics. 144 (3)(2014), p. 491-497 [6] N.
After oxidation, it can be seen from Figure 3(b) and (d), there is indication of partially melting of the coating particles and induced in the less porous structure after the process.
On the other hand, almost similar structure can be observed for Cr2O3-La2O3 layer.
This condition is predicted due to finer structure of the former coating as compared with later coating layer.
Zaza, Materials Chemistry and Physics. 144 (3)(2014), p. 491-497 [6] N.
Online since: July 2011
Authors: Minoru Osada, Bao Wen Li, Takayoshi Sasaki
Natural superlattice structures with different m numbers do not exist in bulk form, and thus our superlattices is an intriguing type of artificial interface structure based on layered perovskites.
Structures of LaNb2O7 and Ca2Nb3O10 nanosheets.
We also note that the (LaNb2O7/Ca2Nb3O10) superlattices are unique structures from the viewpoint of crystal chemistry.
In Dion–Jacobson phases, however, the intergrowth structure with different m numbers does not naturally exist in the bulk form.
Therefore, the (LaNb2O7/Ca2Nb3O10) superlattices should be an intriguing type of artificial structure, where the different m structures of Dion–Jacobson phases are precisely assembled in the layer-by-layer fashion.
Structures of LaNb2O7 and Ca2Nb3O10 nanosheets.
We also note that the (LaNb2O7/Ca2Nb3O10) superlattices are unique structures from the viewpoint of crystal chemistry.
In Dion–Jacobson phases, however, the intergrowth structure with different m numbers does not naturally exist in the bulk form.
Therefore, the (LaNb2O7/Ca2Nb3O10) superlattices should be an intriguing type of artificial structure, where the different m structures of Dion–Jacobson phases are precisely assembled in the layer-by-layer fashion.