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Toughening biodegradable polylactide with nanopores

Peng, Ningxing; Ju, Yunhui; Lv, Ruihua; Na, Bing; Liu, Qingxian; Wang, Bin

Customer publications

Toughening biodegradable polylactide with nanopores

Peng, Ningxing; Ju, Yunhui; Lv, Ruihua; Na, Bing; Liu, Qingxian; Wang, Bin

The inherent brittleness of biodegradable polylactide (PLA) limits its large-scale applications. A common route for toughening PLA is to incorporate other components by blending. In achieving good toughness, however, other properties such as strength and transparency are usually sacrificed to a large extent. Here we presented a facile approach to…
Toward surfactant-free and water-free microemulsions

Fischer, Veronika; Marcus, Julien; Touraud, Didier; Diat, Olivier; Kunz, Werner

Customer publications

Toward surfactant-free and water-free microemulsions

Fischer, Veronika; Marcus, Julien; Touraud, Didier; Diat, Olivier; Kunz, Werner

It was recently demonstrated that a nano-clustering was present in the monophasic “pre-Ouzo” region of ternary liquid mixtures without surfactants. The goal of this work is to check if this nano-clustering is also present in the surfactant-free and water-free “green” microemulsions glycerol/ethanol/1-octanol and deep eutectic solvent/tetrahydrofurfuryl alcohol/diethyl adipate. The deep…
Triblock Copolymer Elastomers with Enhanced Mechanical Properties Synthesized by RAFT Polymerization and Subsequent Quaternization through Incorporation of a Comonomer with Imidazole Groups of about 2.0 Mass Percentage

Jiang, Feng; Fang, Chu; Zhang, Juan; Wang, Wentao; Wang, Zhigang

Customer publications

Triblock Copolymer Elastomers with Enhanced Mechanical Properties Synthesized by RAFT Polymerization and Subsequent Quaternization through Incorporation of a Comonomer with Imidazole Groups of about 2.0 Mass Percentage

Jiang, Feng; Fang, Chu; Zhang, Juan; Wang, Wentao; Wang, Zhigang

ABA triblock copolymer elastomers (TBCPEs) were first synthesized via reversible addition–fragmentation chain transfer (RAFT) polymerization, for which poly(isobornyl acrylate) (PIBA) was chosen as the dispersed hard microdomains, whereas poly(n-butyl acrylate)-co-poly(1-vinylimidazole) (P(BA-co-VI)) was chosen as the rubbery matrix. Two much distinct glass transition temperatures were found,…
Tunable Self-Assembly and Morphology-Dependent Photoconductivity of a Donor–Acceptor-Structured Diruthenium Complex

Sun, Meng-Jia; Zhang, Xinliang; Zhong, Yu-Wu; Zhan, Chuanlang; Yao, Jiannian

Customer publications

Tunable Self-Assembly and Morphology-Dependent Photoconductivity of a Donor–Acceptor-Structured Diruthenium Complex

Sun, Meng-Jia; Zhang, Xinliang; Zhong, Yu-Wu; Zhan, Chuanlang; Yao, Jiannian

A donor–acceptor-structured diruthenium complex, 1(PF6)4, that contains an electron-deficient bridging ligand and electron-rich distal diarylamines modified with long aliphatic chains has been synthesized. By varying the solvent environments and assembly conditions, we obtained three different self-assembled nanostructures of 1(PF6)4, including zero-dimensional nanospheres, one-dimensional…
Tuning the morphology of functionalized silica using amphiphilic organosilanes

Besnard, Romain; Arrachart, Guilhem; Cambedouzou, Julien; Pellet-Rostaing, Stéphane

Customer publications

Tuning the morphology of functionalized silica using amphiphilic organosilanes

Besnard, Romain; Arrachart, Guilhem; Cambedouzou, Julien; Pellet-Rostaing, Stéphane

The co-condensation of tetraethoxysilane and an amphiphilic organosilane precursor containing an ammonium part is investigated in presence of different counter-ions. We highlight the morphological versatility offered by such “one pot” synthesis, resulting of the combinatory effects of the addition of tetraethoxysilane and of the nature of the counter-ion involved in…
Two-step cavitation in semi-crystalline polymer during stretching at temperature below glass transition

Chen, Ran; Lu, Ying; Zhao, Jiayi; Jiang, Zhiyong; Men, Yongfeng

Customer publications

Two-step cavitation in semi-crystalline polymer during stretching at temperature below glass transition

Chen, Ran; Lu, Ying; Zhao, Jiayi; Jiang, Zhiyong; Men, Yongfeng

Cavitation behavior in poly(4-methyl-1-pentene) upon stretching below glass transition temperature was investigated by in situ ultra-small angle X-ray scattering technique. Strong stress-whitening was observed indicating an extensive occurrence of cavitation in the material during tensile deformation below Tg. The X-ray scattering patterns suggest oriented disc-shaped cavities with normal mostly…
Understanding effects of two different acceptors in one small molecule for solution processable organic solar cells

Zhao, Yifan; Yuan, Liu; Zhang, Jianqi; Zhu, Lingyun; Lu, Kun; Yan, Wei; Wei, Zhixiang

Customer publications

Understanding effects of two different acceptors in one small molecule for solution processable organic solar cells

Zhao, Yifan; Yuan, Liu; Zhang, Jianqi; Zhu, Lingyun; Lu, Kun; Yan, Wei; Wei, Zhixiang

Introducing two different electron-withdrawing groups into the molecular backbone is one of the effective methods to extend absorption and lower the highest occupied molecular orbital (HOMO) energy level for a high open-circuit voltage (Voc). However, examples of two-acceptor type small molecules are less studied. In order to understand the effect…
Understanding the Impact of Hierarchical Nanostructure in Ternary Organic Solar Cells

Fang, Jin; Wang, Zaiyu; Zhang, Jianqi; Zhang, Yajie; Deng, Dan; Wang, Zhen; Lu, Kun; Ma, Wei; Wei, Zhixiang

Customer publications

Understanding the Impact of Hierarchical Nanostructure in Ternary Organic Solar Cells

Fang, Jin; Wang, Zaiyu; Zhang, Jianqi; Zhang, Yajie; Deng, Dan; Wang, Zhen; Lu, Kun; Ma, Wei; Wei, Zhixiang

Ternary organic solar cells (OSCs), which blend two donors and fullerene derivatives with different absorption ranges, are a promising potential strategy for high-power conversion efficiencies (PCEs). In this study, inverted ternary OSCs are fabricated by blending a highly crystalline small molecule BDT-3T-CNCOO in a low band gap polymer PBDTTT-C-T:PC71BM. As…