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Journal articles on the topic 'Ordered solvent'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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1

Apolinário, Arlete, Célia T. Sousa, Gonçalo N. P. Oliveira, Armandina M. L. Lopes, João Ventura, Luísa Andrade, Adélio Mendes, and João P. Araújo. "Tailoring the Anodic Hafnium Oxide Morphology Using Different Organic Solvent Electrolytes." Nanomaterials 10, no. 2 (February 22, 2020): 382. http://dx.doi.org/10.3390/nano10020382.

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Highly ordered anodic hafnium oxide (AHO) nanoporous or nanotubes were synthesized by electrochemical anodization of Hf foils. The growth of self-ordered AHO was investigated by optimizing a key electrochemical anodization parameter, the solvent-based electrolyte using: Ethylene glycol, dimethyl sulfoxide, formamide and N-methylformamide organic solvents. The electrolyte solvent is here shown to highly affect the morphological properties of the AHO, namely the self-ordering, growth rate and length. As a result, AHO nanoporous and nanotubes arrays were obtained, as well as other different shapes and morphologies, such as nanoneedles, nanoflakes and nanowires-agglomerations. The intrinsic chemical-physical properties of the electrolyte solvents (solvent type, dielectric constant and viscosity) are at the base of the properties that mainly affect the AHO morphology shape, growth rate, final thickness and porosity, for the same anodization voltage and time. We found that the interplay between the dielectric and viscosity constants of the solvent electrolyte is able to tailor the anodic oxide growth from continuous-to-nanoporous-to-nanotubes.
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2

Han, Xu Tong, Li Hua Wang, and Yan Hua Liu. "Influences of the Compatibility between the Polymer and Solvent on Ordered Microporous Structure Formation by Water Droplets Templating." Advanced Materials Research 301-303 (July 2011): 36–40. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.36.

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Some kinds of solvents were utilized to investigate the influences of the compatibility between the polymers and their solvent on formation of honeycomb patterns. Polyphenylene Oxide (PPO), Poly (D, L-lactic-co-glycolic acid) (PLGA) and Poly (L-lactic-co-glycolic acid) (PLLGA) were dissolved in different solvents to form porous films. It was found that the good compatibility between the polymers and their solvents was beneficial to the formation of regular structures. Moreover, several solvents were fixed to form a serial of mixed-solvents which had different compatibility with the polymer, such as C2HCl3-CH2Cl2 mixed-solvent. These mixed-solvents were used to investigate in detail how the change of the compatibility between the polymer and its solvent influence the morphography of the polymer film. The result showed that, excluding the affection of the solvents’ evaporation rate, the pattern became more regular along with the improvement of the compatibility between the polymer and its solvent.
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3

Kobayashi, Masamichi, and Takehito Kozasa. "Conformational Ordering Process on Physical Gelation of Syndiotactic Polystyrene/Solvent Systems Revealed by Time-Resolved Infrared Spectroscopy." Applied Spectroscopy 47, no. 9 (September 1993): 1417–24. http://dx.doi.org/10.1366/0003702934067450.

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Syndiotactic polystyrene (SPS) dissolved in various organic solvents forms stable gels. Infrared spectroscopic research shows that SPS molecules assume highly ordered TTGG conformation in gels, giving rise to many infrared bands characteristic of the regular TTGG sequences. The behavior of the conformational ordering is strongly dependent on the solvent and the temperature. The time evolution of the conformational order on gelation has been investigated for SPS/CHCl3 systems at various polymer concentrations and temperatures by time-resolved infrared spectroscopy. By the analysis of the rate of formation of the ordered conformation derived from the time-resolved intensity measurement of the conformation-sensitive band at 572 cm−1, the number of the chain segments that contribute to the formation of clusters having ordered TTGG conformation has been evaluated as a function of temperature. The results indicate that at a temperature around 10°C the conformation ordering proceeds through clustering of five chain segments. The number decreases with lowering temperature and becomes unity below a certain temperature, suggesting that the ordering proceeds via self-organization within one chain. Such a crossover between the two mechanisms is found for other solvents, although the crossover temperature depends on the solvent. It has been concluded that strong interactions between polymer and solvent molecules play important roles in controlling the gelation behavior of SPS/solvent systems.
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4

Weichenberger, Christian X., Pavel V. Afonine, Katherine Kantardjieff, and Bernhard Rupp. "The solvent component of macromolecular crystals." Acta Crystallographica Section D Biological Crystallography 71, no. 5 (April 30, 2015): 1023–38. http://dx.doi.org/10.1107/s1399004715006045.

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The mother liquor from which a biomolecular crystal is grown will contain water, buffer molecules, native ligands and cofactors, crystallization precipitants and additives, various metal ions, and often small-molecule ligands or inhibitors. On average, about half the volume of a biomolecular crystal consists of this mother liquor, whose components form the disordered bulk solvent. Its scattering contributions can be exploited in initial phasing and must be included in crystal structure refinement as a bulk-solvent model. Concomitantly, distinct electron density originating from ordered solvent components must be correctly identified and represented as part of the atomic crystal structure model. Herein, are reviewed (i) probabilistic bulk-solvent content estimates, (ii) the use of bulk-solvent density modification in phase improvement, (iii) bulk-solvent models and refinement of bulk-solvent contributions and (iv) modelling and validation of ordered solvent constituents. A brief summary is provided of current tools for bulk-solvent analysis and refinement, as well as of modelling, refinement and analysis of ordered solvent components, including small-molecule ligands.
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5

Huang, Chia-Yi, and Shih-Hung Lin. "Organic Solvent Sensors Using Polymer-Dispersed Liquid Crystal Films with a Pillar Pattern." Polymers 13, no. 17 (August 29, 2021): 2906. http://dx.doi.org/10.3390/polym13172906.

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An organic solvent sensor of polymer-dispersed liquid crystals (PDLCs) film is fabricated by a combination of tri-functional monomers and LCs. When the patterned PDLC film comes into contact with the organic solvent, the organic solvent will penetrate into the film to induce the orientation of the liquid crystals, which will change from an ordered to a disordered state, which causes the PDLC film to scatter incident light. The experiment used acetone and ethanol as the organic solvents of interest. The results show that the patterned PDLC film has a stronger response to acetone than to ethanol. Based on the difference in the intensity of light scattering and the response time of the patterned PDLC film to different organic solvents, the results can be used to identify and recognize different types of organic solvents.
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6

Jo, Gyounglyul, Solip Choi, Jae Won Jeong, Gyun Taek Lim, Jaehan Jung, and Mincheol Chang. "Controlled self-assembly of polymer semiconductors in solution using a solvent-vapor approach." Modern Physics Letters B 33, no. 14n15 (May 28, 2019): 1940038. http://dx.doi.org/10.1142/s0217984919400384.

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A facile solution treatment strategy for controlling the microstructure of conjugated polymers using a non-solvent vapor is introduced. The content of well-ordered poly(3-hexylthiophene) (P3HT) aggregates in solution was precisely controlled by varying the non-solvent vapor exposure time. P3HT chains were self-assembled upon exposure to the non-solvent vapor to minimize the unfavorable interactions with the non-solvent molecules. The effect of solvent vapor on the molecular ordering and morphologies of P3HT films was investigated by UV-Vis spectroscopy, atomic force microscopy, and polarized optical microscopy. These studies reveal that the self-assembled P3HT aggregates have well-ordered nanofibrillar structures formed via [Formula: see text]–[Formula: see text] stacking. This strategy paves the way toward fabricating well-ordered polymeric structures, especially in the field of opto-electronic applications including FETs, LEDs, and lasers, where proper alignment or molecular assembly is in great demand.
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7

Liu, Wen Yong, Yi Chen, Yue Jun Liu, and Xi Hai Hao. "Effects of Substrate, Solvent, Graft Density and Graft Length on the Formation of Cellulose-Based Ordered Porous Film." Advanced Materials Research 496 (March 2012): 138–41. http://dx.doi.org/10.4028/www.scientific.net/amr.496.138.

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We investigated the preparation of porous film of cellulose-based graft copolymer by breath figure method. The effects of substrate, solvent, graft density and graft length on the formation of porous film were elucidated. The results showed that ordered porous films could be facilely formed on the glass and mica substrate, while no ordered porous films were obtained on the silicon substrate. The ordered porous films were formed from the copolymer/CS2 solution, while no ordered porous films were done from the copolymer/CH2Cl2, CHCl3 and toluene solution. Moreover, no ordered porous films were obtained from the copolymer with spare graft density or with long side chain. The results indicated that the substrate, solvent, graft density and graft length had important effects on the ordered porous film.
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8

Wang, Wen, Lu Ying Liang, Wei Wang, He Min Zheng, Zong Xiong Xu, Yong Kun Lei, Hong Yu Lin, and Qi Dan Ling. "The Preparation of Higher Ordered Poly(3-hexylthiophene) by Oxidative Method." Advanced Materials Research 1004-1005 (August 2014): 272–76. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.272.

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Poly (3-hexylthiophene) (P3HT) was synthesized by a modified simple FeCl3 oxidative polymerization. The use of mixed solvents provides a low-cost and effective method to prepare the higher ordered P3HT. The SEM result shows that the assembling of P3HT tends to produce nanowires with 1, 4-dioxane as the poor solvent. The XRD result shows that the formation of P3HT nanowires can enhance the order and regularity of the polymer. The conformation transformations of P3HT chains were analyzed by ultraviolet visible light absorption spectrum. The results show that the higher ordered P3HT was obtained. The higher ordered P3HT can improve the utilization rate of the sunlight when applied in solar cells.
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9

Grason, Gregory M. "Ordered phases of diblock copolymers in selective solvent." Journal of Chemical Physics 126, no. 11 (March 21, 2007): 114904. http://dx.doi.org/10.1063/1.2709646.

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10

Lodge, Timothy P., Mark W. Hamersky, Kenneth J. Hanley, and Ching-I. Huang. "Solvent Distribution in Weakly-Ordered Block Copolymer Solutions." Macromolecules 30, no. 20 (October 1997): 6139–49. http://dx.doi.org/10.1021/ma970720z.

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11

Nevěčná, Taťjana, Vojtěch Bekárek, and Oldřich Pytela. "A Study of Effects of Temperature and Medium on Reaction of Triethylamine with Ethyl Bromide." Collection of Czechoslovak Chemical Communications 59, no. 6 (1994): 1384–91. http://dx.doi.org/10.1135/cccc19941384.

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The rate constants of reaction of triethylamine with ethyl bromide have been measured in 13 solvents at the temperatures of 293, 313, 333, and 373 K. The activation entropies in the individual solvents increase when going from nonpolar to dipolar aprotic and polar protic solvents, which is explained by dominant solvation of the basic triethylamine and by formation of highly ordered associates without solvent in the activated complex in nonpolar solvent media. No isokinetic relationship has been found between the activation entropy and activation enthalpy, which indicates different solvent effects on the two quantities. The activation enthalpy and entropy of the reaction investigated are close to those of the reaction of triethylamine with ethyl iodide. Three methods have been used to evaluate the effect of medium at all the temperatures, their success being decreased in the order: Pytela's method - Kamlet-Taft - Koppel-Palm. Irrespective of the temperature, all the methods indicate that the reaction is accelerated by the solvent polarity, the significance of other effects being reflected differently depending on the temperature and the correlation equation used. A complex evaluation involving also the interpretation of the entropy and enthalpy components by means of empiric solvent parameters has shown that the resulting Gibbs energy represents a superposition of different effects of solvents on the two thermodynamic quantities, the solvent effect upon the activation entropy being predominant at the higher temperatures.
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12

Sato, Hiroyuki, Yuya Sakagami, Eiji Itoh, and Kazuchika Ohta. "Discotic liquid crystals of transition metal complexes 46: mesomorphism and antagonist solubility of octaphenoxy-phthalocyaninato copper(II) complex substituted by oligoether chains." Journal of Porphyrins and Phthalocyanines 16, no. 11 (October 22, 2012): 1209–16. http://dx.doi.org/10.1142/s1088424612501222.

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We synthesized a novel discotic liquid crystalline compound, octakis[3-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)phenoxy]phthalocyaninato copper(II) (abbreviated as [m- MeO(EtO)3PhO]8PcCu ), and established the mesomorphism by using a differential scanning calorimeter, a polarizing optical microscope, and temperature-dependent wide angle X-ray diffraction diffractometer. Very interestingly, this [m- MeO(EtO)3PhO]8PcCu complex showed a hexagonal ordered columnar (Colho) mesophase in the virgin sample, whereas it showed a rectangular ordered columnar (Colro(P21/a)) mesophase in the non-virgin sample. The Colho mesophase gave a dimer stacking distance at 9.26 Å, whereas the Colro mesophase gave a short monomer stacking distance at 3.45 Å. Furthermore, this novel Pc derivative is readily soluble in polar solvents such as acetone, ethanol and methanol. Using antagonist solubilities of the present hydrophilic [m- MeO(EtO)3PhO]8PcCu derivative in a polar solvent and the previous hydrophobic (C10O)16TzCu derivative in the non-polar solvent, a p-n junction layered thin films could be successfully prepared.
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13

O’Mahony, Colm T., Dipu Borah, and Michael A. Morris. "Microphase Separation of a PS-b-PFS Block CopolymerviaSolvent Annealing: Effect of Solvent, Substrate, and Exposure Time on Morphology." International Journal of Polymer Science 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/270891.

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Block copolymer (BCP) lithography makes use of the microphase separation properties of BCPs to pattern ordered nanoscale features over large areas. This work presents the microphase separation of an asymmetric polystyrene-block-poly(ferrocenyl dimethylsilane) (PS-b-PFS) BCP that allows ordered arrays of nanostructures to be formed by spin casting PS-b-PFS on substrates and subsequent solvent annealing. The effects of the solvent annealing conditions on self-assembly and structural stability are discussed.
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14

Lin, H., A. Steyerl, S. K. Satija, A. Karim, and T. P. Russell. "Solvent Penetration into Ordered Thin Films of Diblock Copolymers." Macromolecules 28, no. 5 (September 1995): 1470–74. http://dx.doi.org/10.1021/ma00109a018.

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15

Zhou, Zhengping, Ke Cao, Xi Chen, Mai Nguyen, Samantha J. Talley, Robert B. Moore, Stephen Martin, and Guoliang Liu. "Preferred domain orientation in block copolymer fibers after solvent annealing." Molecular Systems Design & Engineering 3, no. 2 (2018): 357–63. http://dx.doi.org/10.1039/c7me00122c.

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Via solvent annealing, PMMA-b-PS nanofibers form long-range ordered nanostructures with a preferred domain orientation that is perpendicular to the fiber axis. Solvent annealing represents a powerful new strategy for controlling the block copolymer nanostructures in fibers.
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16

Heitz, M. P., J. C. Horne, G. J. Blanchard, and F. V. Bright. "T1 Relaxation of Perylene in Fluid Ethane: Pressure-Dependent Changes in Short-Range Organization." Applied Spectroscopy 51, no. 1 (January 1997): 30–36. http://dx.doi.org/10.1366/0003702971938939.

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We report our measurements of vibrational population relaxation of the v7 (1375 cm−1) mode of perylene in ethane at a series of fluid pressures. The data show that T1 decreases with increasing fluid pressure and that the dependence of T1 on pressure is not consistent with predictions based on simple spatial or stoichiometric considerations. The data indicate a nonrandom orientational distribution of the solvent molecules about the solute where the portion of the solvent environment sensed by the perylene v1 coordinate changes from one ordered state to another ordered state with increasing pressure.
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17

Wang, Qiaowei, Yijie Mu, Weili Zhang, Liangshu Zhong, Yan Meng, and Yuhan Sun. "A facile solvent-free route to synthesize ordered mesoporous carbons." RSC Adv. 4, no. 61 (2014): 32113–16. http://dx.doi.org/10.1039/c4ra02743d.

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18

Zhu, Jinhui, Jun Yang, Rongrong Miao, Zhaoquan Yao, Xiaodong Zhuang, and Xinliang Feng. "Nitrogen-enriched, ordered mesoporous carbons for potential electrochemical energy storage." Journal of Materials Chemistry A 4, no. 6 (2016): 2286–92. http://dx.doi.org/10.1039/c5ta09073c.

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19

Cai, Jiang Tao, An Ning Zhou, Xiao Yan Li, Ju Yan Yan, Li Juan Wang, and Jin Xia Jiang. "Preparation of Hierarchical and Ordered Porous Nanostructured Carbons." Advanced Materials Research 912-914 (April 2014): 273–76. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.273.

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The hierarchical and ordered porous nanostructured carbons (HOPNCs) have a very wide application in catalysis, adsorption separation, energy storage and other fields. In this paper, the HOPNCs was prepared through a dual-template method and the resole resin as the carbon precursor,followed by the ethanol solvent evaporation induced self-assembly process. The morphology and microstructure of the as-made products were characterized by SEM, XRD, TEM,and physical adsorption instrument. The results showed that the orderliness of mesoporous carbon materials are significantly enhanced while the ratio of P123/F127 was 1/3,a proper low concentration of template and alcohol solution was helpful to the solvent induced selfassembly formed ordered mesoporous structure of nanocarbons.The as-made HOPNCs have large pores of 200 nm or so, mesopores of 8 and 3 nm or so, the pore volume of 0.2527 cm3/g , the BET surface area of 510m2/g.
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20

Poblotzki, Anja, Jonas Altnöder, and Martin A. Suhm. "Subtle solvation behaviour of a biofuel additive: the methanol complex with 2,5-dimethylfuran." Physical Chemistry Chemical Physics 18, no. 39 (2016): 27265–71. http://dx.doi.org/10.1039/c6cp05413g.

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21

Vieira, Mariano G. S., Nilce V. Gramosa, Nágila M. P. S. Ricardo, Gareth A. Morris, Ralph W. Adams, and Mathias Nilsson. "Natural product mixture analysis by matrix-assisted DOSY using Brij surfactants in mixed solvents." RSC Adv. 4, no. 79 (2014): 42029–34. http://dx.doi.org/10.1039/c4ra04433a.

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22

Chu, Wei-Cheng, Chen-Xin Lin, and Shiao-Wei Kuo. "Solvent-tuning of ordered mesoporous silicas prepared through evaporation-induced self-assembly templated by poly(ethylene oxide-b-ε-caprolactone)." RSC Adv. 4, no. 105 (2014): 61012–21. http://dx.doi.org/10.1039/c4ra11569d.

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23

Wang, Kaixuan, Liping Yang, Weiliang Zhao, Linqing Cao, Zhenliang Sun, and Fang Zhang. "A facile synthesis of copper nanoparticles supported on an ordered mesoporous polymer as an efficient and stable catalyst for solvent-free sonogashira coupling Reactions." Green Chemistry 19, no. 8 (2017): 1949–57. http://dx.doi.org/10.1039/c7gc00219j.

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24

Matsukata, Masahiko. "Dehydration Technology of Organic Solvent with Inorganic Ordered-porous Membrane." MEMBRANE 38, no. 5 (2013): 224–28. http://dx.doi.org/10.5360/membrane.38.224.

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25

Endo, A., T. Miyata, T. Akiya, M. Nakaiwa, Y. Inagi, and S. Nagamine. "Synthesis of ordered microporous silica by the solvent evaporation method." Journal of Materials Science 39, no. 3 (February 2004): 1117–19. http://dx.doi.org/10.1023/b:jmsc.0000012958.40071.50.

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26

Mills, Maria, Bradford G. Orr, Mark M. Banaszak Holl, and Ioan Andricioaei. "Contributions of Ordered Solvent to Long-Range DNA-Dendrimer Interactions." Biophysical Journal 100, no. 3 (February 2011): 356a—357a. http://dx.doi.org/10.1016/j.bpj.2010.12.2140.

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27

Liu, Wenyong, Manchun Xie, Chuntao Li, Hang Xie, Runfa Hong, Yi Chen, Zhihan Li, and Guangsheng Zeng. "Highly ordered water droplet arrays on a volatile solvent surface." Colloids and Surfaces A: Physicochemical and Engineering Aspects 590 (April 2020): 124487. http://dx.doi.org/10.1016/j.colsurfa.2020.124487.

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28

Pan, Hai, Mingzhen Xu, Qing Qi, and Xiaobo Liu. "Facile preparation and excellent microwave absorption properties of an RGO/Co0.33Ni0.67 lightweight absorber." RSC Advances 7, no. 69 (2017): 43831–38. http://dx.doi.org/10.1039/c7ra06849b.

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Qin, Yumei, Ping Zhang, Lincong Lai, Zeyun Tian, Shufang Zheng, and Jun Lu. "Luminous composite ultrathin films of the DCM dye assembled with layered double hydroxides and its fluorescence solvatochromism properties for polarity sensors." Journal of Materials Chemistry C 3, no. 20 (2015): 5246–52. http://dx.doi.org/10.1039/c5tc00736d.

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30

Ahmed, Fiaz, John H. Dunlap, Perry J. Pellechia, and Andrew B. Greytak. "A p-type PbS quantum dot ink with improved stability for solution processable optoelectronics." Chemical Communications 57, no. 65 (2021): 8091–94. http://dx.doi.org/10.1039/d1cc03014k.

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31

Tao, Q., L. Su, R. L. Frost, D. Zhang, M. Chen, W. Shen, and H. He. "Silylation of mechanically ground kaolinite." Clay Minerals 49, no. 4 (September 2014): 559–68. http://dx.doi.org/10.1180/claymin.2014.049.4.06.

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AbstractSilylated kaolinites were synthesized at 80°C without the use of inert gas protection. The method presented started with mechanical grinding of kaolinite, followed by grafting with 3- aminopropyltriethoxysilane (APTES). The mechanical grinding treatment destroyed the ordered sheets of kaolinite, formed fine fragments and generated broken bonds (undercoordinated metal ions). These broken bonds served as new sites for the condensation with APTES. Fourier transform infrared spectroscopy (FTIR) confirmed the existence of −CH2 from APTES. 29Si cross-polarization magic-angle spinning nuclear magnetic resonance spectroscopy (29Si CP/MAS NMR) showed that the principal bonding mechanism between APTES and kaolinite fitted a tridentate silylation model (T3) with a chemical shift at −66.7 ppm. The silane loadings of the silylated samples were estimated from the mass loss obtained by TG-DTG curves. The results showed that the 6-hour ground kaolinite could be grafted with the most APTES (7.0%) using cyclohexane as solvent. The loaded amount of APTES in the silylated samples obtained in different solvents decreased in the order as: nonpolar solvent > polar solvent with low dielectric constant (toluene) > polar solvent with high dielectric constant (ethanol).
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Liang, Shijie, Yunhua Xu, Cheng Li, Junyu Li, Dong Wang, and Weiwei Li. "Realizing lamellar nanophase separation in a double-cable conjugated polymer via a solvent annealing process." Polymer Chemistry 10, no. 33 (2019): 4584–92. http://dx.doi.org/10.1039/c9py00765b.

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Wen, Zuwang, Wonbin Kim, Seung Jo Yoo, Chang-Geun Chae, Ho-Bin Seo, In-Gyu Bak, Mohammad Changez, and Jae-Suk Lee. "Highly ordered supramolecular structure built from poly(4-(4-vinylphenylpyridine)) and 1,1′-ferrocenedicarboxylic acid via hydrogen bonding." Polymer Chemistry 11, no. 15 (2020): 2666–73. http://dx.doi.org/10.1039/d0py00066c.

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34

Yu, Yang, Ning Chu, Qiaode Pan, Miaomiao Zhou, Sheng Qiao, Yanan Zhao, Chuansheng Wang, and Xiangyun Li. "Solvent Effects on Gelation Behavior of the Organogelator Based on L-Phenylalanine Dihydrazide Derivatives." Materials 12, no. 12 (June 12, 2019): 1890. http://dx.doi.org/10.3390/ma12121890.

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A series of organogelators based on L-phenylalanine has been synthesized and their gelation properties in various organic solvents were investigated. The results showed that these organogelators were capable of forming stable thermal and reversible organogels in various organic solvents at low concentrations, and the critical gel concentration (CGC) of certain solvents was less than 1.0 wt%. Afterward, the corresponding enthalpies (ΔHg) were extracted by using the van ’t Hoff equation, as the gel–sol temperature (TGS) was the function of the gelator concentration. The study of gelling behaviors suggested that L-phenylalanine dihydrazide derivatives were excellent gelators in solvents, especially BOC–Phe–OdHz (compound 4). The effects of the solvent on the self-assembly of gelators were analyzed by the Kamlet–Taft model, and the gelation ability of compound 4 in a certain organic solvent was described by Hansen solubility parameters and a Teas plot. Morphological investigation proved that the L-phenylalanine dihydrazide derivatives could assemble themselves into an ordered structure such as a fiber or sheet. Fourier-transform infrared spectroscopy (FTIR) and hydrogen nuclear magnetic resonance (1H NMR) studies indicated that hydrogen bonding, π–π stacking, and van der Waals forces played important roles in the formation of a gel.
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35

Liu, Bo, Yaqiong Hao, Lixiao Wang, Mengyun Li, and Hui Jiang. "Ordered mesoporous carbon in solid-phase microextraction for analysis of volatile organic compounds in water samples." Analytical Methods 11, no. 29 (2019): 3741–49. http://dx.doi.org/10.1039/c9ay01113g.

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36

Zhao, Yige, Jingjun Liu, Yanhui Zhao, Feng Wang, and Ye Song. "Pt–Co secondary solid solution nanocrystals supported on carbon as next-generation catalysts for the oxygen reduction reaction." Journal of Materials Chemistry A 3, no. 40 (2015): 20086–91. http://dx.doi.org/10.1039/c5ta05888k.

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37

Jiang, Yan, You Zhao, Ai-Qing Zhang, Xinxiang Lei, and Si-Yong Qin. "Solvent-tailored ordered self-assembly of oligopeptide amphiphiles to create an anisotropic meso-matrix." Chemical Communications 57, no. 50 (2021): 6181–84. http://dx.doi.org/10.1039/d1cc02034j.

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We developed a solvent-tailored ordered self-assembly strategy to create an anisotropic meso-matrix, which displays great potential to align organic molecules for structural elucidation via anisotropic NMR parameters.
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38

Vistoli, Giulio, Alessandro Pedretti, Luigi Villa, and Bernard Testa. "Solvent Constraints on the Property Space of Acetylcholine. 2. Ordered Media." Journal of Medicinal Chemistry 48, no. 22 (November 2005): 6926–35. http://dx.doi.org/10.1021/jm0580306.

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39

Bhosale, Sidhanath V., Santosh V. Nalage, Jamie M. Booth, Akhil Gupta, Suresh K. Bhargava, and Sheshanath V. Bhosale. "Solvent induced ordered-supramolecular assembly of highly branched protoporphyrin IX derivative." Supramolecular Chemistry 24, no. 11 (August 31, 2012): 779–86. http://dx.doi.org/10.1080/10610278.2012.716841.

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40

Kim, S. H., M. J. Misner, T. Xu, M. Kimura, and T. P. Russell. "Highly Oriented and Ordered Arrays from Block Copolymers via Solvent Evaporation." Advanced Materials 16, no. 3 (February 3, 2004): 226–31. http://dx.doi.org/10.1002/adma.200304906.

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41

Li, Tie-hu, Xiao-xian Wang, Yong-bin Ji, Wei Jin, and Qi-lang Lin. "Synthesis of ordered mesoporous carbons by non-aqueous solvent evaporation method." Carbon 50, no. 1 (January 2012): 344. http://dx.doi.org/10.1016/j.carbon.2011.08.029.

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42

Zhang, Qiang, Zhenyu Chen, Wei Ma, Zhiyuan Xie, and Yanchun Han. "Optimizing domain size and phase purity in all-polymer solar cells by solution ordered aggregation and confinement effect of the acceptor." Journal of Materials Chemistry C 7, no. 40 (2019): 12560–71. http://dx.doi.org/10.1039/c9tc03697k.

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43

Hosoda, Tomonori, Samuel P. Gido, Jimmy W. Mays, Tianzi Huang, Chong Rae Park, and Toshiro Yamada. "Effect of solvents and thermal annealing on the morphology development of a novel block copolymer ionomer: a case study of sulfonated polystyrene-block-fluorinated polyisoprene." Journal of Polymer Engineering 33, no. 1 (February 1, 2013): 49–59. http://dx.doi.org/10.1515/polyeng-2012-0078.

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Abstract The morphologies of sulfonated polystyrene-block-fluorinated polyisoprene (s-PS-b-f-PI) were studied as functions of different kinds of solvents and thermal annealing, using transmission electron microscope microscopy (TEM), small angle X-ray scattering (SAXS) and intermediate angle X-ray diffraction (IMAXD). The film of the block copolymer ionomer with an acid form [sulfonated PS-b-fluorinated PI (sH-PS-b-f-PI)], which was cast from anhydrous tetrahydrofuran (THF), developed a well-ordered cylindrical morphology of the f-PI domains in the sH-PS matrix. The morphology was explained by the solubility parameter and the Bjerrum length. The morphology changed to that of a no long-range ordered structure, through thermal annealing. The result was different from the usual behavior of uncharged diblock copolymers and could have been due to the ionic cluster formation. The solution casting films of the block copolymer ionomer with a cesium neutralized form (sCs-PS-b-f-PI) were obtained from the mixed solvent of THF/water (98/2, wt/wt) and DMSO. The ionic cluster formation in the film cast from the mixed solvent was hardly changed by annealing. The promotion of the ionic cluster formation by annealing was clearly observed in the film cast from DMSO. However, hindrance of microphase separation by the promotion of the ionic cluster formation was not confirmed in this study.
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44

Xia, Wei, Michelle A. Hunter, Jiayu Wang, Guoxun Zhu, Sarah J. Warren, Yingji Zhao, Yoshio Bando, Debra J. Searles, Yusuke Yamauchi, and Jing Tang. "Highly ordered macroporous dual-element-doped carbon from metal–organic frameworks for catalyzing oxygen reduction." Chemical Science 11, no. 35 (2020): 9584–92. http://dx.doi.org/10.1039/d0sc02518f.

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Multiple heteroatoms-doped carbon with 3D ordered macroporous structures, which showing outstanding catalytic activity for oxygen reduction, was prepared by carbonization of double-solvent-induced MOF/polystyrene sphere accompanied with post-doping.
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45

Shen, Kui, Lei Zhang, Xiaodong Chen, Lingmei Liu, Daliang Zhang, Yu Han, Junying Chen, et al. "Ordered macro-microporous metal-organic framework single crystals." Science 359, no. 6372 (January 11, 2018): 206–10. http://dx.doi.org/10.1126/science.aao3403.

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We constructed highly oriented and ordered macropores within metal-organic framework (MOF) single crystals, opening up the area of three-dimensional–ordered macro-microporous materials (that is, materials containing both macro- and micropores) in single-crystalline form. Our methodology relies on the strong shaping effects of a polystyrene nanosphere monolith template and a double-solvent–induced heterogeneous nucleation approach. This process synergistically enabled the in situ growth of MOFs within ordered voids, rendering a single crystal with oriented and ordered macro-microporous structure. The improved mass diffusion properties of such hierarchical frameworks, together with their robust single-crystalline nature, endow them with superior catalytic activity and recyclability for bulky-molecule reactions, as compared with conventional, polycrystalline hollow, and disordered macroporous ZIF-8.
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46

Kim, Myung Jin, Woon Ik Park, Young Joong Choi, Yun Kyung Jung, and Kwang Ho Kim. "Ultra-rapid pattern formation of block copolymers with a high-χ parameter in immersion annealing induced by a homopolymer." RSC Advances 6, no. 25 (2016): 21105–10. http://dx.doi.org/10.1039/c6ra00350h.

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Ultra-rapid pattern formation of homopolymer/BCP blend is demonstrated. A highly ordered dot pattern can be achieved for an extremely short immersion time (10 s) by controlling the annealing temperature and mixing ratio of binary solvent.
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47

Wang, Yan, Qing Bai, Xuan Dong Li, and Ai Hua Wen. "Synthesis of Ordered Mesoporous TiO2 by Hydrolysis Condensation with Block Copolymer P123 as Template." Advanced Materials Research 113-116 (June 2010): 2119–23. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.2119.

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Highly ordered mesoporous TiO2 was synthesized by a hydrolysis condensation process using block copolymer P123 as the template and tetrabutyl orthotitanate (TBOT) as titanium precursor.The influences of the synthesis parameters including the volume of solvent, the ratio of the template to TBOT and reaction pH on the structure were investigated. The structure properties of the products were characterized with low-angle XRD, FT-IR, N2 adsorption-desorption analysis. The results showed that the amount of solvent played a decisive role for the formation of ordered pore structure. The proper hydrolysis pH is in neutral and acidic range. The template can be removed totally by Soxhlet extraction with ethanol and the mesoporous structure can be retained perfectly by this template removal method. The product has the BET surface area of 266.5m2/g and a narrow pore distribution with a peak at 4.34 nm.
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48

Chen, Yun, Rong-hui Yin, and Qing-sheng Wu. "Solvothermal Synthesis of Well-Disperse ZnS Nanorods with Efficient Photocatalytic Properties." Journal of Nanomaterials 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/560310.

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Well-disperse short-range-ordered ZnS nanorods with efficient photocatalytic property for photodegradation of Rhodamin B have been successfully synthesized through a solvothermal method. Solvent used can be recovered and reused, which makes the route environment-friendly. Dodecylamine was found effective in organizing nanorods to ordered monolayer. Characterization showed that these nanorods were uniform with the diameter of about 3 nm and length of nearly 30 nm. And it is expected that these monodisperse ZnS nanorods have potential applications in electroluminescence materials.
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Tan, Junyan, Zhiyao Liu, Rong Wang, Yue Zhou, Siyu Xie, Baohui Li, Xinhua Wan, and Jie Zhang. "Modulation of thermodynamic and kinetic inverted phase behavior of block copolymers by inorganic polyoxometalates." Soft Matter 15, no. 35 (2019): 6988–93. http://dx.doi.org/10.1039/c9sm01041f.

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The Keggin polyoxometalates (POM) H3PW12O40 (PW) electrostatically complexed with poly(styrene-block-2-vinyl pyridine) (PS-b-P2VP) in DMF, and ordered microphase separation occurred through solvent evaporation.
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50

Jones, Laurel, Michael Tynes, and Paul Smith. "Prediction of models for ordered solvent in macromolecular structures by a classifier based upon resolution-independent projections of local feature data." Acta Crystallographica Section D Structural Biology 75, no. 8 (July 30, 2019): 696–717. http://dx.doi.org/10.1107/s2059798319008933.

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Current software tools for the automated building of models for macromolecular X-ray crystal structures are capable of assembling high-quality models for ordered macromolecule and small-molecule scattering components with minimal or no user supervision. Many of these tools also incorporate robust functionality for modelling the ordered water molecules that are found in nearly all macromolecular crystal structures. However, no current tools focus on differentiating these ubiquitous water molecules from other frequently occurring multi-atom solvent species, such as sulfate, or the automated building of models for such species. PeakProbe has been developed specifically to address the need for such a tool. PeakProbe predicts likely solvent models for a given point (termed a `peak') in a structure based on analysis (`probing') of its local electron density and chemical environment. PeakProbe maps a total of 19 resolution-dependent features associated with electron density and two associated with the local chemical environment to a two-dimensional score space that is independent of resolution. Peaks are classified based on the relative frequencies with which four different classes of solvent (including water) are observed within a given region of this score space as determined by large-scale sampling of solvent models in the Protein Data Bank. Designed to classify peaks generated from difference density maxima, PeakProbe also incorporates functionality for identifying peaks associated with model errors or clusters of peaks likely to correspond to multi-atom solvent, and for the validation of existing solvent models using solvent-omit electron-density maps. When tasked with classifying peaks into one of four distinct solvent classes, PeakProbe achieves greater than 99% accuracy for both peaks derived directly from the atomic coordinates of existing solvent models and those based on difference density maxima. While the program is still under development, a fully functional version is publicly available. PeakProbe makes extensive use of cctbx libraries, and requires a PHENIX licence and an up-to-date phenix.python environment for execution.
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