Facile and one-pot solution synthesis of several kinds of 3D hierarchical flower-like α-Bi2O3 microspheres

2016 ◽  
Vol 09 (05) ◽  
pp. 1650059 ◽  
Author(s):  
Yajun Wang ◽  
Zexue Li ◽  
Haiyang Yu ◽  
Changgen Feng
Keyword(s):  
Self Assembly ◽  
Atmospheric Pressure ◽  
Three Dimensional ◽  
Water System ◽  
Nucleation And Growth ◽  
Synthesis Process ◽  
Solution Synthesis ◽  
One Pot ◽  
Capping Agents ◽  
Precipitation Synthesis

Several kinds of three-dimensional (3D) hierarchical constructed flower-like [Formula: see text]-Bi2O3 microspheres were prepared successfully via a simple solution precipitation synthesis at 95[Formula: see text]C and ambient atmospheric pressure in 1[Formula: see text]h. The synthesis process was operated in ethanol–water system as solvent with the assistance of glycerin and oleic acid as capping agents. These flower-like [Formula: see text]-Bi2O3 architectures with diameter of several micrometers were 3D self-assembled from nanorods or nanocubes step by step. By adjusting the concentration of the capping agents, various flower-like [Formula: see text]-Bi2O3 microspheres were obtained. The formation of the flower-like superstructures was attributed to the modification of nucleation and growth kinetics, and the guidance of self-assembly approach by capping agents. The formation mechanism of these microstructures was discussed briefly.

One-pot self-assembly of three-dimensional graphene macroassemblies with porous core and layered shell

2011 ◽  
Vol 21 (33) ◽  
pp. 12352 ◽  
Author(s):  
Wei Lv ◽  
Ying Tao ◽  
Wang Ni ◽  
Zhi Zhou ◽  
Fang-Yuan Su ◽  
...  
Keyword(s):  
Self Assembly ◽  
Three Dimensional ◽  
Layered Shell ◽  
One Pot ◽  
Porous Core

Controlled synthesis of V2O5/MWCNT core/shell hybrid aerogels through a mixed growth and self-assembly methodology for supercapacitors with high capacitance and ultralong cycle life

2015 ◽  
Vol 3 (30) ◽  
pp. 15692-15699 ◽  
Author(s):  
Yingjie Wu ◽  
Guohua Gao ◽  
Huiyu Yang ◽  
Wenchao Bi ◽  
Xing Liang ◽  
...  
Keyword(s):  
Self Assembly ◽  
Sol Gel ◽  
Three Dimensional ◽  
Cycle Life ◽  
Core Shell ◽  
Controlled Synthesis ◽  
One Pot ◽  
High Capacitance ◽  
Sol Gel Process ◽  
Hybrid Aerogels

Three-dimensional V2O5/MWCNT core/shell hybrid aerogels were controllably synthesized through a mixed growth and self-assembly methodology in a one-pot sol–gel process.

Soluble salt self-assembly-assisted synthesis of three-dimensional hierarchical porous carbon networks for supercapacitors

2015 ◽  
Vol 3 (44) ◽  
pp. 22266-22273 ◽  
Author(s):  
Shan Zhu ◽  
Jiajun Li ◽  
Chunnian He ◽  
Naiqin Zhao ◽  
Enzuo Liu ◽  
...  
Keyword(s):  
Self Assembly ◽  
Three Dimensional ◽  
Water Soluble ◽  
The Self ◽  
Soluble Salts ◽  
Hierarchical Porous Carbon ◽  
One Pot ◽  
Hierarchical Porous ◽  
Hierarchical Porous Carbons ◽  
Carbon Networks

Three-dimensional hierarchical porous carbons are synthesized via a simple one-pot method using the self-assembly of various water-soluble salts as structure-directing templates, which exhibit excellent capacitive performance.

Coordination-driven self-assembly: construction of a Fe3O4–graphene hybrid 3D framework and its long cycle lifetime for lithium-ion batteries

RSC Advances ◽  
2015 ◽  
Vol 5 (50) ◽  
pp. 40249-40257 ◽  
Author(s):  
Zhimin Ren ◽  
Siqi Yu ◽  
Xinxin Fu ◽  
Lin Shi ◽  
Chunxiao Sun ◽  
...  
Keyword(s):  
Lithium Ion Batteries ◽  
Uniform Distribution ◽  
Self Assembly ◽  
Solvothermal Method ◽  
Three Dimensional ◽  
Lithium Ion ◽  
One Pot ◽  
Long Cycle ◽  
3D Framework

A three-dimensional graphene framework with uniform distribution of hierarchical Fe3O4 spheres was prepared via a one-pot solvothermal method.

Preparation, characterization, and properties of graphene-based composite aerogels via in situ polymerization and three-dimensional self-assembly from graphene oxide solution

RSC Advances ◽  
2016 ◽  
Vol 6 (82) ◽  
pp. 78538-78547 ◽  
Author(s):  
Haiming Cheng ◽  
Huafei Xue ◽  
Guangdong Zhao ◽  
Changqing Hong ◽  
Xinghong Zhang
Keyword(s):  
Graphene Oxide ◽  
Phase Separation ◽  
Self Assembly ◽  
In Situ Polymerization ◽  
Three Dimensional ◽  
One Pot ◽  
Hierarchical Porous ◽  
Composite Aerogels ◽  
Polymerization Induced Phase Separation

In this work, hierarchical porous graphene-based composite aerogels are synthesized by a simple and facile one-pot polymerization-induced phase separation.

scholarly journals Polymeric Composites with Embedded Nanocrystalline Cellulose for the Removal of Iron(II) from Contaminated Water

Polymers ◽  
2018 ◽  
Vol 10 (12) ◽  
pp. 1377 ◽  
Author(s):  
Anayet Kabir ◽  
Matthew Dunlop ◽  
Bishnu Acharya ◽  
Rabin Bissessur ◽  
Marya Ahmed
Keyword(s):  
Self Assembly ◽  
Three Dimensional ◽  
Polymeric Composites ◽  
Industrial Applications ◽  
Nanocrystalline Cellulose ◽  
Soluble Form ◽  
Contaminated Water ◽  
One Pot ◽  
Treated Water

The exponential increase in heavy metal usage for industrial applications has led to the limited supply of clean water for human needs. Iron is one of the examples of heavy metals, which is responsible for an unpleasant taste of water and its discoloration, and is also associated with elevated health risks if it persists in drinking water for a prolonged period of time. The adsorption of a soluble form of iron (Fe2+) from water resources is generally accomplished in the presence of natural or synthetic polymers or nanoparticles, followed by their filtration from treated water. The self-assembly of these colloidal carriers into macroarchitectures can help in achieving the facile removal of metal-chelated materials from treated water and hence can reduce the cost and improve the efficiency of the water purification process. In this study, we aim to develop a facile one-pot strategy for the synthesis of polymeric composites with embedded nanocrystalline cellulose (NCC) for the chelation of iron(II) from contaminated water. The synthesis of the polymeric composites with embedded nanoparticles was achieved by the facile coating of ionic monomers on the surface of NCC, followed by their polymerization, crosslinking, and self-assembly in the form of three-dimensional architectures at room temperature. The composites prepared were analyzed for their physiochemical properties, antifouling properties, and for their iron(II)-chelation efficacies in vitro. The results indicate that the embedded-NCC polymeric composites have antifouling properties and exhibit superior iron(II)-chelation properties at both acidic and basic conditions.

scholarly journals Facile Synthesis of Super-Microporous Titania–Alumina with Tailored Framework Properties

Materials ◽  
2020 ◽  
Vol 13 (5) ◽  
pp. 1126
Author(s):  
Yongfeng Li ◽  
Jiaojiao Su ◽  
Guiping Li ◽  
Xiufeng Meng
Keyword(s):  
Pore Size ◽  
Surface Area ◽  
Self Assembly ◽  
Bet Surface Area ◽  
Synthesis Process ◽  
Tetrabutyl Titanate ◽  
One Pot ◽  
Microporous Material ◽  
Surface Areas ◽  
Fatty Alcohol Polyoxyethylene Ether

Super-microporous material (pore size 1–2 nm) can bridge the pore size gap between the zeolites (<1 nm) and the mesoporous oxides (>2 nm). A series of super-microporous titania–alumina materials has been successfully prepared via a facile one-pot evaporation-induced self-assembly (EISA) strategy by different solvents using fatty alcohol polyoxyethylene ether (AEO-7) as the template. Moreover, no extra acid or base is added in our synthesis process. When titanium isopropylate is used as the titanium source, these materials exhibit high BET surface areas (from 275 to 396 m2/g) and pore volumes (from 0.14 to 0.18 cm3/g). The sample prepared using methanol as the solvent shows the largest Brunauer–Emmett–Teller (BET) surface area of 396 m2/g. When tetrabutyl titanate is used as the titanium source, these materials exhibit high BET surface areas (from 282 to 396 m2/g) and pore volumes (from 0.13 to 0.18 cm3/g). The sample prepared using ethanol as the solvent shows the largest BET surface area of 396 m2/g.

Salt Template-Derived Fe-N Co-Doped Ultrathin Carbon for Boosted Performance of Supercapacitors

2022 ◽  
Vol 905 ◽  
pp. 142-146
Author(s):  
Yi Qiao ◽  
Zhen Xing Zhu ◽  
Dong He ◽  
Su Bin Jiang ◽  
Teng Fei Yu ◽  
...  
Keyword(s):  
In Situ Polymerization ◽  
Three Dimensional ◽  
Great Promise ◽  
Particle Sizes ◽  
Solution Synthesis ◽  
One Pot ◽  
Templating Method ◽  
Synthetic Procedure ◽  
Co Doped

Heteroatoms-doped ultrathin carbon materials hold great promise for electrochemical energy application. Herein, we develop a salt-templating method to prepare three-dimensional Fe-N co-doped carbon (FeNPC) with ultrathin (~ 5-nm-thick) structural feature. The synthetic procedure involves the following steps: First, fabrication of nanoNaCl templates with uniform particle sizes (~500 nm) via one-pot solution synthesis. Second, fabrication of the precursor by encapsulating of NaCl nanoparticles via the in-situ polymerization of pyrrole monomers under vapor atmosphere. Last, FeNPC formation by subsequent pyrolysis and pickling. The optimized sample displays excellent performance as supercapacitors exhibiting 393.5 F g-1 at 1A g-1 in 6 M KOH. Furthermore, the symmetric supercapacitors assembled with the optimized sample show an energy density of 10.45 Wh kg-1 at a power density of 300 W kg-1 and outstanding cycling stability retaining 93% capacitance at 5A g-1 after 10000 cycles.

scholarly journals Electrochemical sensor based on a three dimensional nanostructured MoS2 nanosphere-PANI/reduced graphene oxide composite for simultaneous detection of ascorbic acid, dopamine, and uric acid

RSC Advances ◽  
2019 ◽  
Vol 9 (6) ◽  
pp. 2997-3003 ◽  
Author(s):  
Shuaihui Li ◽  
Yashen Ma ◽  
Yongkang Liu ◽  
Gu Xin ◽  
Minghua Wang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Self Assembly ◽  
Hydrothermal Process ◽  
Simultaneous Detection ◽  
Three Dimensional ◽  
The Self ◽  
One Pot ◽  
Nanostructured Composite ◽  
Reduced Graphene

A three dimensional (3D) nanostructured composite based on the self-assembly of MoS2 nanospheres and polyaniline (PANI) loaded on reduced graphene oxide (denoted by 3D MoS2-PANI/rGO) was prepared via a feasible one-pot hydrothermal process.

In vitro and in vivo polysaccharides assembly: ultrastructural and cytochemical study of growing plant cell wall components.

1978 ◽  
Vol 36 (2) ◽  
pp. 434-435
Author(s):  
D. Reis ◽  
B. Vian ◽  
J. C. Roland
Keyword(s):  
Cell Wall ◽  
Self Assembly ◽  
Plant Cell Wall ◽  
Higher Plants ◽  
Three Dimensional ◽  
Cytochemical Study ◽  
Wall Components

Wall morphogenesis in higher plants is a problem still open to controversy. Until now the possibility of a transmembrane control and the involvement of microtubules were mostly envisaged. Self-assembly processes have been observed in the case of walls of Chlamydomonas and bacteria. Spontaneous gelling interactions between xanthan and galactomannan from Ceratonia have been analyzed very recently. The present work provides indications that some processes of spontaneous aggregation could occur in higher plants during the formation and expansion of cell wall.Observations were performed on hypocotyl of mung bean (Phaseolus aureus) for which growth characteristics and wall composition have been previously defined.In situ, the walls of actively growing cells (primary walls) show an ordered three-dimensional organization (fig. 1). The wall is typically polylamellate with multifibrillar layers alternately transverse and longitudinal. Between these layers intermediate strata exist in which the orientation of microfibrils progressively rotates. Thus a progressive change in the morphogenetic activity occurs.

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