Chem. Commun.

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Cu2O mesoporous spheres with a high internal diffusion capacity and improved catalytic ability for the aza-Henry reaction driven by visible light

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14237-14240
DOI: 10.1039/C4CC06869F, CommunicationJun Wang, Jingwen Ma, Xiaojie Li, Yang Li, Guoliang Zhang, Fengbao Zhang, Xiaobin Fan
Mesoporous Cu2O spheres with a large pore size (LP-Cu2O) bring out a better performance towards the photocatalytic aza-Henry reaction than Cu2O spheres with a small pore size (SP-Cu2O).
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Enhanced DNA toehold exchange reaction on a chip surface to discriminate single-base changes

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14171-14174
DOI: 10.1039/C4CC07272C, CommunicationHuaguo Xu, Wei Deng, Fujian Huang, Shiyan Xiao, Gang Liu, Haojun Liang
A simple and versatile single-base change discrimination strategy was developed based on the enhanced DNA toehold exchange reaction on a chip surface.
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14.8% perovskite solar cells employing carbazole derivatives as hole transporting materials

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14161-14163
DOI: 10.1039/C4CC06716A, CommunicationSang Do Sung, Min Soo Kang, In Taek Choi, Hong Mo Kim, Hyoungjin Kim, MunPyo Hong, Hwan Kyu Kim, Wan In Lee
Three novel carbazole-based molecules have been synthesized and applied as efficient hole-transporting materials (HTMs) of perovskite solar cells.
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CO2 as a smart gelator for Pluronic aqueous solutions

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14233-14236
DOI: 10.1039/C4CC06623E, CommunicationChengcheng Liu, Qingqing Mei, Jianling Zhang, Xinchen Kang, Li Peng, Buxing Han, Zhimin Xue, Xinxin Sang, Xiaogan Yang, Zhonghua Wu, Zhihong Li, Guang Mo
It was found that CO2 could induce the gelation of Pluronic aqueous solutions, during which the microstructure of the solution transforms from randomly dispersed micelles to cubic close packed micelles.
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Morphology-driven absorption and emission colour changes in liquid-crystalline, cyclometallated platinum(II) complexes

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14191-14193
DOI: 10.1039/C4CC06958G, CommunicationOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Valery N. Kozhevnikov, Bertrand Donnio, Benoit Heinrich, Duncan W. Bruce
Platinum(II) complexes of 1,3-bis(2-pyridyl)benzene containing two alkyl chains are unexpectedly mesomorphic and capable of changing absorption and emission colour depending on the phase obtained after thermal treatment.
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Excimer formation in organic emitter films associated with a molecular orientation promoted by steric hindrance

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14145-14148
DOI: 10.1039/C4CC05348F, CommunicationJaehyun Lee, Beomjin Kim, Ji Eon Kwon, Joonghan Kim, Daisuke Yokoyama, Katsuaki Suzuki, Hidetaka Nishimura, Atsushi Wakamiya, Soo Young Park, Jongwook Park
White emission was obtained by introducing a terphenyl group into a highly twisted core, which promoted a molecular orientation suitable for excimer formation.
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Fluorogenic supramolecular complexes formed between pyrenyl-[small beta]-cyclodextrin and glyco-rhodamine for the selective detection of lectins

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14141-14144
DOI: 10.1039/C4CC06356B, CommunicationXiao-Peng He, Ri-Hui Li, Stephane Maisonneuve, Yibin Ruan, Guo-Rong Chen, Juan Xie
Fluorogenic supramolecular complexes formed between pyrenyl [small beta]-CD and glycosyl rhodamine selectively respond to lectins in a fluorogenic manner.
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Methylation of secondary amines with dialkyl carbonates and hydrosilanes catalysed by iron complexes

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14229-14232
DOI: 10.1039/C4CC05517A, CommunicationJianxia Zheng, Christophe Darcel, Jean-Baptiste Sortais
Methylation of secondary amines was achieved using dialkyl carbonates as the C1 source in the presence of hydrosilanes and iron catalysts.
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Reversible formation of a poly[3]rotaxane based on photo dimerization of an anthracene-capped [3]rotaxane

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14105-14108
DOI: 10.1039/C4CC07044E, CommunicationPeifa Wei, Xuzhou Yan, Feihe Huang
We demonstrated the formation of a poly[3]rotaxane consisting of a "topologically linked polymer backbone" in one pot from readily available, modular building blocks via a dynamic polymerization strategy based on reversible anthracene dimerization.
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The facile assembly of nanocrystals by optimizing humidity

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14261-14264
DOI: 10.1039/C4CC06603K, CommunicationMing Zhou, Mattias Grahn, Han Zhou, Allan Holmgren, Jonas Hedlund
Humidity and substrate properties are considered coordinately in the assembly of nano-sized crystals. The nanocrystal monolayers with thicknesses of 20-100 nm show large-area uniformity and excellent orientations.
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Solid state and solution fine tuning of the linear and nonlinear optical properties of (2-pyrene-1-yl-vinyl)pyridine by protonation-deprotonation reactions

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14225-14228
DOI: 10.1039/C4CC05891G, CommunicationE. Cariati, C. Botta, S. G. Danelli, A. Forni, A. Giaretta, U. Giovanella, E. Lucenti, D. Marinotto, S. Righetto, R. Ugo
(2-Pyrene-1-yl-vinyl)pyridine constitutes an acido-triggered reversible luminescent and NLO switch. The first acidomodulation of the NLO response of a poled film is reported.
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Rational design of signal-on biosensors by using photoinduced electron transfer between Ag nanoclusters and split G-quadruplex halves-hemin complexes

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14221-14224
DOI: 10.1039/C4CC06664B, CommunicationKai Zhang, Ke Wang, Xue Zhu, Yun Gao, Minhao Xie
Photoinduced electron transfer (PET) between DNA-Ag nanoclusters (AgNCs) and G-quadruplex halves-hemin has been used for building a new sensing platform for the signal-on detection of adenosine and RNA.
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The characterization of the saddle shaped nickel(III) porphyrin radical cation: an explicative NMR model for a ferromagnetically coupled metallo-porphyrin radical

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14265-14268
DOI: 10.1039/C4CC06993E, CommunicationRu-Jen Cheng, Chiao-Han Ting, Ten-Chih Chao, Tzu-Hsien Tseng, Peter P.-Y. Chen
Ni(III)(OETPP[radical dot])(Br)2 is the first Ni(III) porphyrin radical cation with structural and 1H and 13C paramagnetic NMR data for porphyrinate systems.
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Copper on responsive polymer microgels: a recyclable catalyst exhibiting tunable catalytic activity

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14217-14220
DOI: 10.1039/C4CC06436D, CommunicationQingshi Wu, Han Cheng, Aiping Chang, Xue Bai, Fan Lu, Weitai Wu
Copper immobilized on a chitosan-based responsive polymer microgel is highly active for a model azide-alkyne [3+2]-cycloaddition reaction and is recyclable.
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Highly efficient molecular nickel catalysts for electrochemical hydrogen production from neutral water

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14153-14156
DOI: 10.1039/C4CC05511J, CommunicationPeili Zhang, Mei Wang, Yong Yang, Dehua Zheng, Kai Han, Licheng Sun
Nickel complexes containing N5-pentadentate scaffolds display a TON of H2 evolution of up to 308 000 over 60 h electrolysis in neutral water at -1.25 V vs. SHE without considerable loss in activity.
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Sodium borohydride stabilizes very active gold nanoparticle catalysts

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14194-14196
DOI: 10.1039/C4CC05946H, CommunicationChristophe Deraedt, Lionel Salmon, Sylvain Gatard, Roberto Ciganda, Ricardo Hernandez, Jaime Ruiz, Didier Astruc
Addition of NaBH4 to HAuCl4 in water at room temperature stabilizes gold nanoparticles that extremely efficiently catalyze 4-nitrophenol reduction.
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Mechanical exfoliation of track-etched two-dimensional layered materials for the fabrication of ultrathin nanopores

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14149-14152
DOI: 10.1039/C4CC06008C, CommunicationYanan Jiang, Jun Gao, Wei Guo, Lei Jiang
Mechanical exfoliation of ion-track-etched two-dimensional layered materials yields nanometer-thin nanoporous sheets that can be suspended atop a silicon window to controllably fabricate single- or multi-pore nanofluidic devices.
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A new strategy to synthesize bottlebrushes with a helical polyglutamate backbone via N-carboxyanhydride polymerization and RAFT

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14183-14186
DOI: 10.1039/C4CC06575A, CommunicationHaiwang Lai, Xiaoyu Chen, Qi Lu, Zheng Bian, Youhua Tao, Xianhong Wang
Polyglutamate bottlebrushes with poly(oligo(ethylene glycol)acrylate) as side chains were successfully prepared for the first time by combination of N-carboxyanhydride polymerization and reversible addition-fragmentation chain transfer (RAFT) polymerization.
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Non-heme iron hydroperoxo species in superoxide reductase as a catalyst for oxidation reactions

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14213-14216
DOI: 10.1039/C4CC06114D, CommunicationS. Rat, S. Menage, F. Thomas, V. Niviere
The non-heme high-spin ferric iron hydroperoxo species formed in superoxide reductase can act both as a nucleophile and as an electrophile to catalyze oxidation reactions.
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Inorganic nanomaterials for bioimaging, targeted drug delivery and therapeutics

21 October, 2014 - 13:54

Chem. Commun., 2014, 50,14071-14081
DOI: 10.1039/C4CC03118K, Feature ArticleRuizheng Liang, Min Wei, David G. Evans, Xue Duan
This paper summarizes recent progress on various inorganic nanocarriers, including the background, synthesis, modification, cytotoxicity, physicochemical properties and biomedical applications.
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