Macromolecular Rapid Communications

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Recently Published Articles

  1. Synthesis of Triplet–Triplet Annihilation Upconversion Nanocapsules Under Protective Conditions

    Kartheek Katta, Dmitry Busko, Yuri Avlasevich, Rafael Muñoz-Espí, Stanislav Baluschev and Katharina Landfester

    Article first published online: 28 JAN 2015 | DOI: 10.1002/marc.201400670

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    Triplet–triplet annihilation upconversion (UC) nanocapsules synthesized under protective conditions (i.e., complete darkness and argon atmosphere) demonstrate substantially increased UC efficiency and resolve partially the experimental challenges, arising if sustainable and reproducible UC results in confined environment are targeted.

  2. Coordination RC6H4S(CH2)8SC6H4R/(CuI)n Polymers (R (n) = H (4); Me (8)): An Innocent Methyl Group that Makes the Difference

    Pierre D. Harvey, Antoine Bonnot, Antony Lapprand, Carsten Strohmann and Michael Knorr

    Article first published online: 27 JAN 2015 | DOI: 10.1002/marc.201400659

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    CuI reacts with RC6H4S(CH2)8SC6H4R to form the luminescent 1D coordination polymer [Cu4I42-PhS(CH2)8SPh}2]n and an unprecedented 2D network [Cu8I82-p-TolS(CH2)8STol-p}3(MeCN)2]n. X-ray data, respectively, reveal the presence of a closed cubane Cu4I4 and a fused cubane Cu8I8 motif. Spectroscopic evidence along with density functional theory (DFT) and TDDFT calculations show that the nature of the emissive states are cluster-centered (3CC*) mixed with 3M/XLCT* for both cases.

  3. Fabrication of Multicomponent Polymer Nanostructures Containing PMMA Shells and Encapsulated PS Nanospheres in the Nanopores of Anodic Aluminum Oxide Templates

    Hao-Wen Ko, Mu-Huan Chi, Chun-Wei Chang, Chun-Hsien Su, Tzu-Hui Wei, Chia-Chan Tsai, Chi-How Peng and Jiun-Tai Chen

    Article first published online: 26 JAN 2015 | DOI: 10.1002/marc.201400662

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    The fabrication of poly(methyl methacrylate)/polystyrene nanostructures that contain poly(methyl methacrylate) shells and encapsulated polystyrene nanospheres is studied. The nanostructures are prepared using a solution-based template wetting method with anodic aluminum oxide templates. The compositions and morphologies of the nanostructures are controlled by the interactions between the polymers, solvents, and anodic aluminum oxide walls.

  4. PEG-Imbedded PEO Membrane Developed by a Novel Highly Efficient Strategy Toward Superior Gas Transport Performance

    Shuai Quan, Yu Pan Tang, Zhen Xing Wang, Zai Xing Jiang, Rong Guo Wang, Yu Yan Liu and Lu Shao

    Article first published online: 26 JAN 2015 | DOI: 10.1002/marc.201400633

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    For the first time, poly(ethylene glycol) (PEG) is deliberately incorporated into swellable poly(ethylene oxide) (PEO) membranes via forced impregnation. The remarkable performance improvement by regulating the CO2-philic EO (ethylene oxide) content and fractional free volume (FFV) in the membrane reveals that it is a simple but highly effective method, which has great potential to enhance gas transport properties of PEO-based membranes toward CO2 capture and clean energy purification.

  5. Preparation of Molecule-Responsive Microsized Hydrogels via Photopolymerization for Smart Microchannel Microvalves

    Yusuke Shiraki, Kazuhiro Tsuruta, Junpei Morimoto, Chihiro Ohba, Akifumi Kawamura, Ryo Yoshida, Ryuji Kawano, Tadashi Uragami and Takashi Miyata

    Article first published online: 26 JAN 2015 | DOI: 10.1002/marc.201400676

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    Molecule-responsive microsized hydrogels with β-cycrodextrin (β-CD) as ligands are prepared by photopolymerization using a fluorescence microscope. The molecule-responsive micro-hydrogels show ultra-quick shrinkage in response to target bisphenol A (BPA). The flow rate of a microchannel is autonomously regulated by the molecule-responsive shrinking of their hydrogels as smart microvalves.