Polymerization-Induced Self-Assembly Driven by the Synergistic Effects of Aromatic and Solvophobic Interactions

2021 ◽  
Vol 54 (6) ◽  
pp. 2729-2739
Author(s):  
Xiao-Fei Xu ◽  
Ren-Man Zhu ◽  
Cai-Yuan Pan ◽  
Ye-Zi You ◽  
Wen-Jian Zhang ◽  
...  
2020 ◽  
Vol 22 (39) ◽  
pp. 22662-22673
Author(s):  
Abeer Khedr ◽  
Alberto Striolo

In this work, using dissipative particle dynamics simulations, we provide fundamental insights into the self-assembly of nanoparticles (NPs) on oil droplet surfaces.


2017 ◽  
Vol 10 (03) ◽  
pp. 1750028 ◽  
Author(s):  
Yan Zhu ◽  
Xiaoxia Yan ◽  
Yuanxin Ge ◽  
Shumin Wang ◽  
Dongmei Deng ◽  
...  

A facile approach was developed to synthesize novel Roe-like TiO2 hollow nanospheres via a template-assisted self-assembly process. These TiO2 nanospheres possessing mesoporous cavity manifest significantly improved photocatalytic activity owing to the synergistic effects of increased charge separation, more efficient use of the light and specific surface area.


Nano Letters ◽  
2009 ◽  
Vol 9 (1) ◽  
pp. 393-398 ◽  
Author(s):  
Stella E. Aniagyei ◽  
Chelsea J. Kennedy ◽  
Barry Stein ◽  
Deborah A. Willits ◽  
Trevor Douglas ◽  
...  

2020 ◽  
Vol 22 (3) ◽  
pp. 1194-1203 ◽  
Author(s):  
Xuan Yue ◽  
Zhen Geng ◽  
Nan Yan ◽  
Wei Jiang

Finely tuned synergistic effects among different blocks could realize intriguing hierarchical self-assembly of block copolymers and such hierarchical self-assembly could be manipulated by cylindrical confinement to tune the structures of assemblies.


2021 ◽  
Vol 13 (1) ◽  
Author(s):  
Hui-Ya Wang ◽  
Xiao-Bo Sun ◽  
Shu-Hao Yang ◽  
Pei-Yan Zhao ◽  
Xiao-Juan Zhang ◽  
...  

AbstractThe 3D hollow hierarchical architectures tend to be designed for inhibiting stack of MXene flakes to obtain satisfactory lightweight, high-efficient and broadband absorbers. Herein, the hollow NiCo compound@MXene networks were prepared by etching the ZIF 67 template and subsequently anchoring the Ti3C2Tx nanosheets through electrostatic self-assembly. The electromagnetic parameters and microwave absorption property can be distinctly or slightly regulated by adjusting the filler loading and decoration of Ti3C2Tx nanoflakes. Based on the synergistic effects of multi-components and special well-constructed structure, NiCo layered double hydroxides@Ti3C2Tx (LDHT-9) absorber remarkably achieves unexpected effective absorption bandwidth (EAB) of 6.72 GHz with a thickness of 2.10 mm, covering the entire Ku-band. After calcination, transition metal oxide@Ti3C2Tx (TMOT-21) absorber near the percolation threshold possesses minimum reflection loss (RLmin) value of − 67.22 dB at 1.70 mm within a filler loading of only 5 wt%. This work enlightens a simple strategy for constructing MXene-based composites to achieve high-efficient microwave absorbents with lightweight and tunable EAB."Image missing"


Nanomaterials ◽  
2019 ◽  
Vol 10 (1) ◽  
pp. 1 ◽  
Author(s):  
Rui Geng ◽  
Juanjuan Yin ◽  
Jingxin Zhou ◽  
Tifeng Jiao ◽  
Yao Feng ◽  
...  

The construction of heterojunctions provides a promising strategy to improve photocatalytic hydrogen evolution. However, how to fabricate a nanoscale TiO2/g-C3N4 heterostructure and hinder the aggregation of bulk g-C3N4 using simple methods remains a challenge. In this work, we use a simple in situ construction method to design a heterojunction model based on molecular self-assembly, which uses a small molecule matrix for self-integration, including coordination donors (AgNO3), inorganic titanium source (Ti(SO4)2) and g-C3N4 precursor (melamine). The self-assembled porous g-C3N4 nanotube can hamper carrier aggregation and it provides numerous catalytic active sites, mainly via the coordination of Ag+ ions. Meanwhile, the TiO2 NPs are easily mineralized on the nanotube template in dispersive distribution to form a heterostructure via an N–Ti bond of protonation, which contributes to shortening the interfacial carrier transport, resulting in enhanced electron-hole pairs separation. Originating from all of the above synergistic effects, the obtained Ag/TiO2/g-C3N4 heterogenous photocatalysts exhibit an enhanced H2 evolution rate with excellent sustainability 20.6-fold-over pure g-C3N4. Our report provides a feasible and simple strategy to fabricate a nanoscale heterojunction incorporating g-C3N4, and has great potential in environmental protection and water splitting.


2020 ◽  
Author(s):  
Xiao-Fei Xu ◽  
Ren-Man Zhu ◽  
Cai-Yuan Pan ◽  
Ye-Zi You ◽  
Wen-Jian Zhang ◽  
...  

Abstract The size and shape of polymeric vesicles have great impact on their physicochemical and biological properties. Polymerization-induced self-assembly (PISA) is an efficient method to fabricate vesicles. In most PISA-cases, the formation of vesicles is driven by the solvophobic interactions which are lack of versatility on finely structural regulation. Herein, controlling vesicular size and shape is realized in PISA aided by aromatic interactions. Aromatic interactions between the membrane-forming blocks contribute to the augments of membrane tension which lead to the formation of smaller vesicles (as small as 70 nm), but overly enhanced aromatic interactions result in vesicle fusion rather than size decreasing. When the membrane tension is dominated by aromatic interactions and meanwhile high enough to overcome the energetic barriers of fusion, the aromatic interactions drive vesicle fusion in a directional manner to form tubular structures. The precise regulation of vesicular size and shape in PISA would pave the way to fabricate vesicles for a series of size/shape-dependent applications.


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