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Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 3,   Pages 485-492 doi: 10.1007/s11705-019-1831-2

Abstract: was developed for improving the growth yield of single-walled carbon nanotubes (SWNTs) with a narrow chiralitycould be improved by repetitive short duration pulse plasma CVD, while maintaining the initial narrow chiralityThe growth of SWNTs with a narrow chirality distribution could be controlled by the difference in theThe nucleation can be controlled by adjusting the pulse on/off time ratio and the total processing time

Keywords： single-walled carbon nanotubes     chirality-controlled synthesis     pulse plasma chemical vapor deposition    

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Size-controlled green synthesis of silver nanoparticles assisted by L-cysteine

Wenchao Zhang,Lin Zhang,Yan Sun

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 4,   Pages 494-500 doi: 10.1007/s11705-015-1527-1

Abstract: A green and size-controlled synthesis of silver nanoparticles (Ag NPs) in aqueous solution with the assistanceThe size of Ag NPs decreases with the increase of L-cysteine concentration, and thus can be controlled

Keywords： nanoparticles     silver     L-cysteine     size distribution     synthesis    

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Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 498-510 doi: 10.1007/s11705-014-1451-9

Abstract: Design of biocompatible and biodegradable polymer systems for sustained and controlled release of bioactiveHere, we designed, synthesized, and characterized four polyurethane carrier systems for controlled release

Keywords： phase structure     degradation     polyurethanes     controlled release     drug delivery    

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The Electrically Controlled Flame Synthesis of Oxide Nanop article

Zhuang Qingping

Strategic Study of CAE 2007, Volume 9, Issue 2,   Pages 74-78

Abstract:

For precise control of the nanophase powder characteristics, electrically assisted hydrocarbon flames using electrodes have shown quite effective, either by ion or electron attachment, so the coagulation rate of the particles is reduced, as unipolarly charged particles repel each other. Charged particles are also attracted towards electrodes, thus lowering the local particle concentration and therefore the collision rate. The flame structure, height, and temperature are also altered by the electric field, which can significantly influence the particle residence time at high temperatures and therefore affect particle growth or sintering and crystallinity. It was shown that field generated by the electrodes across the flame decreases the particle residence time in the high temperature region of the flame.

Keywords： gas combustion     electrically controlled     flame     nanoparticle     aggregates    

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Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine for

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1788-1800 doi: 10.1007/s11705-023-2326-8

Abstract: Monodispersed nitrogen-doped carbon nanospheres with tunable particle size (100–230 nm) were synthesized via self-polymerization of biochemical dopamine in the presence of hexamethylenetetramine as a buffer and F127 as a size controlling agent. Hexamethylenetetramine can mildly release NH3, which in turn initiates the polymerization reaction of dopamine. The carbon nanospheres obtained exhibited a significant energy storage capability of 265 F·g–1 at 0.5 A·g–1 and high-rate performance of 82% in 6 mol·L–1 KOH (20 A·g–1), which could be attributed to the presence of abundant micro-mesoporous structure, doped nitrogen functional groups and the small particle size. Moreover, the fabricated symmetric supercapacitor device displayed a high stability of 94% after 5000 cycles, revealing the considerable potential of carbon nanospheres as electrode materials for energy storage.

Keywords： carbon nanospheres     size-controlled     nitrogen-doped     high-rate     supercapacitors    

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Controlled synthesis of uniform silver nanowires with high aspect ratios in aqueous solutions of gemini

XU Jian, LIU Weijun, LIU Honglai, HU Ying

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 221-227 doi: 10.1007/s11705-007-0040-6

Abstract: A simple solution-phase approach has been demonstrated for the large-scale synthesis of silver nanowires

Keywords： solution-phase     photoelectron spectroscopy     16-3-16     surfactant     transmission    

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Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 6,   Pages 772-783 doi: 10.1007/s11705-022-2280-x

Abstract: Herein, a size-controlled TS-1 zeolite (TS-1#0.1ACh (acetylcholine)) was synthesized via steam-assistedThe crystalline sizes of the as-synthesized TS-1#0.1ACh catalysts were controlled with the acetylcholine

Keywords： size-controlled TS-1     crystal modifier     steam-assisted crystallization     epoxidation    

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Facile controlled synthesis of hierarchically structured mesoporous Li4Ti5O12/C/rGO composites as high-performance

Cehuang FU, Shuiyun SHEN, Ruofei WU, Xiaohui YAN, Guofeng XIA, Junliang ZHANG

Frontiers in Energy 2022, Volume 16, Issue 4,   Pages 607-612 doi: 10.1007/s11708-021-0798-0

Abstract: In this paper, a facile strategy is proposed to controllably synthesize mesoporous Li4Ti5O12/C nanocomposite embedded in graphene matrix as lithium-ion battery anode via the co-assembly of Li4Ti5O12 (LTO) precursor, GO, and phenolic resin. The obtained composites, which consists of a LTO core, a phenolic-resin-based carbon shell, and a porous frame constructed by rGO, can be denoted as LTO/C/rGO and presents a hierarchical structure. Owing to the advantages of the hierarchical structure, including a high surface area and a high electric conductivity, the mesoporous LTO/C/rGO composite exhibits a greatly improved rate capability as the anode material in contrast to the conventional LTO electrode.

Keywords： Li4Ti5O12     phenolic-resin-based carbon     mesoporous composite     graphene    

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Synthesis of mid-dicarboxy polystyrene by ATRP and formation of ionic-bonded supramolecules

YU Tao, WANG Yun, LU Dairen, BAI Ruke, LU Weiqi

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 140-145 doi: 10.1007/s11705-007-0026-4

Abstract: Results showed that the process had some of the good characteristics of controlled/living free radicalwell-defined novel structural polystyrene containing two ester groups in the mid-main chain was prepared with controlled

Keywords： controlled molecular     conversion     bromination     relationship     isophthalate    

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Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 943-955 doi: 10.1007/s11708-021-0793-5

Abstract: interaction stability issues of a wind farm with weak grid connections, where the wind turbines (WTs) are controlled

Keywords： weak grids     voltage source (VS) control     wind turbine (WT)     stabilization control     wind farm     inertial response    

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Chinese medicine patterns on patients with pneumoconiosis: a pilot double-blind, randomized, and placebo-controlled

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 736-744 doi: 10.1007/s11684-021-0870-5

Abstract: A double-blind, randomized, and placebo-controlled trial was conducted for 24 weeks, in which 96 patients

Keywords： pneumoconiosis     randomized controlled trials     traditional Chinese medicine    

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Applications of thermostatically controlled loads for demand response with the proliferation of variable

Meng SONG, Wei SUN

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 64-73 doi: 10.1007/s11708-021-0732-5

Abstract: Thermostatically controlled loads (TCLs) attract tremendous attentions because of their specific thermal

Keywords： thermostatically controlled load     demand response     renewable energy     power system operation    

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All-in-one functional supramolecular nanoparticles based on pillar[5]arene for controlled generation,

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 3,   Pages 307-313 doi: 10.1007/s11705-022-2216-5

Abstract: The storage and controlled release of singlet oxygen (1O2) have attracted increasingand a photosensitizer tetrakis(4-hydroxyphenyl)porphyrin (TPP), that may provide the controlledderivatives and photosensitizers into one functional system, which provides a new strategy for the controlled

Keywords： storage and controlled release of singlet oxygen     supramolecular nanoparticles     noncovalent interactions    

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Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1704-2

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Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 225-232 doi: 10.1007/s11705-014-1429-7

Abstract: Here we review several common semi-solid polymers currently used in the controlled release formulations

Keywords： controlled release     drug delivery     semi-solids     polymer     excipient    

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Title Author Date Type Operation

Improvement in growth yield of single-walled carbon nanotubes with narrow chirality distribution by pulse

Bin Xu, Toshiro Kaneko, Toshiaki Kato

Journal Article

Size-controlled green synthesis of silver nanoparticles assisted by L-cysteine

Wenchao Zhang,Lin Zhang,Yan Sun

Journal Article

Synthesis and characterization of biocompatible polyurethanes for controlled release of hydrophobic and

Juichen YANG,Hong CHEN,Yuan YUAN,Debanjan SARKAR,Jie ZHENG

Journal Article

The Electrically Controlled Flame Synthesis of Oxide Nanop article

Zhuang Qingping

Journal Article

Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine for

Journal Article

Controlled synthesis of uniform silver nanowires with high aspect ratios in aqueous solutions of gemini

XU Jian, LIU Weijun, LIU Honglai, HU Ying

Journal Article

Controllable synthesis of a large TS-1 catalyst for clean epoxidation of a C=C double bond under mild

Journal Article

Facile controlled synthesis of hierarchically structured mesoporous Li4Ti5O12/C/rGO composites as high-performance

Cehuang FU, Shuiyun SHEN, Ruofei WU, Xiaohui YAN, Guofeng XIA, Junliang ZHANG

Journal Article

Synthesis of mid-dicarboxy polystyrene by ATRP and formation of ionic-bonded supramolecules

YU Tao, WANG Yun, LU Dairen, BAI Ruke, LU Weiqi

Journal Article

Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Journal Article

Chinese medicine patterns on patients with pneumoconiosis: a pilot double-blind, randomized, and placebo-controlled

Journal Article

Applications of thermostatically controlled loads for demand response with the proliferation of variable

Meng SONG, Wei SUN

Journal Article

All-in-one functional supramolecular nanoparticles based on pillar[5]arene for controlled generation,

Journal Article

Correction to: Highly degradable chitosan-montmorillonite (MMT) nanocomposite hydrogel for controlled

Journal Article

Semi-solid materials for controlled release drug formulation: current status and future prospects

Michelle TRAN,Chun WANG

Journal Article