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Valence properties of Cu and Ru in titanium-substituted LnCu3Ru4O12 (Ln = La, Pr, Nd) investigated by XANES and TGA

26-Mar-2015 | Stefan Riegg; Armin Reller; Ing. Alois Loidl; Stefan G. Ebbinghaus, Dalton Transactions, 2015

In the solid-solution series LayCu3RuxTi4-xO12+ δ (0 ≤ x ≤ 4) the Cu and Ru electronic states are highly correlated. With increasing Ru content x the system properties change from a paramagnetic insulator with colossal dielectric constant to a heavy-fermion metal. To further elucidate the ...


Surface plasmon enhanced energy transfer between gold nanorods and fluorophores: application to endocytosis study and RNA detection

26-Mar-2015 | Yinan Zhang; Guoke Wei; Jun Yu; David J. S. Birch; Yu Chen, Faraday Discussions, 2015

Previously we have demonstrated surface plasmon enhanced energy transfer between fluorophores and gold nanorods under two-photon excitation using fluorescence lifetime imaging microscopy (FLIM) in both solution and intracellular phases. These studies demonstrated that gold nanoparticle–dye energy ...


Alkyl linker effects on the coordination topology of ditopic di(2-pyridylmethyl)amine carboxylate ligands with ZnII and CuII perchlorates: polymers vs macrocycles

26-Mar-2015 | Kiattipoom Rodpun; Allan G. Blackman; Michael G. Gardiner; Eng Wui Tan; Carla J. Meledandri; Nigel T. Lucas, CrystEngComm, 2015

A series of ditopic ω-di(2-pyridylmethyl)amine carboxylic acid ligands incorporating a range of n-alkyl linkers (CnCOOH, n = 3–5, 7, 10 and 11) have been synthesised. Solution phase studies showed a 1 [ ] : [ ] 1 coordination stoichiometry between the ligands and M(ClO4)2·6H2O (M = ZnII or CuII) ...


Selective turn-off phosphorescent and colorimetric detection of mercury(II) in water by half-lantern platinum(II) complexes

26-Mar-2015 | Violeta Sicilia; Pilar Borja; Miguel Baya; José M. Casas, Dalton Transactions, 2015

The platinum(ii) half-lantern dinuclear complexes [{Pt(bzq)(μ-C7H4NS2-κN,S)}2] (A) and [{Pt(bzq)(μ-C7H4NOS-κN,S)}2] (B) [bzq = benzo[h]quinolinate, C7H4NS2 = 2-mercaptobenzothiazolate, C7H4NOS = 2-mercaptobenzoxazolate] in solution of DMSO–H2O undergo a dramatic color change from yellowish-orange ...


Ion specific effects: decoupling ion–ion and ion–water interactions

26-Mar-2015 | Jinsuk Song; Tae Hui Kang; Mahn Won Kim; Songi Han, Physical Chemistry Chemical Physics, 2015

Ion-specific effects in aqueous solution, known as the Hofmeister effect, are prevalent in diverse systems ranging from pure ionic to complex protein solutions. The objective of this paper is to explicitly demonstrate how complex ion–ion and ion–water interactions manifest themselves in the ...


Synthesis of a 12R-type Hexagonal Perovskite Solid Solution Sr3NdNb3-xTixO12-d and the Influence of Acceptor Doping on Electrical Properties

26-Mar-2015 | Adilson Luiz Chinelatto; Khalid Boulahya; Domingo Pérez-Coll; Ulises Amador; Corina Tabacaru; Simon Nicholls; Markus ..., Dalton Transactions, 2015

A solid solution forms for Sr3NdNb3-xTixO12-d with approximate limits 0 ≤ x ≤ 0.06. The system crystallizes with a 12R-type hexagonal perovskite structure in space group , as determined by neutron diffraction and selected area electron diffraction. The electrical properties of the end members ...


Optimization of charge carrier transport balance for performance improvement of PDPP3T-based polymer solar cells prepared using a hot solution

24-Mar-2015 | Jian Wang; Fujun Zhang; Miao Zhang; Wenbin Wang; Qiaoshi An; Lingliang Li; Qianqian Sun; Weihua Tang; Jian Zhang, Physical Chemistry Chemical Physics, 2015

Polymer solar cells (PSCs), with poly(diketopyrrolopyrrole-terthiophene) (PDPP3T):[6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) as the active layers, were fabricated using solutions of different temperatures. The best power conversion efficiency (PCE) of the PSCs prepared using a hot ...


A dual-responsive supra-amphiphile based on a water-soluble pillar[7]arene and a naphthalene diimide-containing guest

24-Mar-2015 | Guocan Yu; Li Shao; Jiong Zhou; Bin Hua, Chemical Communication, 2015

A dual-responsive supra-amphiphile was firstly constructed based on a water-soluble pillar[7]arene and a naphthalene diimide-containing guest with a long alkyl chain and a trimethylammonium group. The morphologies of the self-assembly formed from this supra-amphiphile could be adjusted by ...


Solution-based nanosensors for in-field detection with the naked eye

23-Mar-2015 | Sureyya Paterson; Roberto de la Rica, Analyst, 2015

Nanomaterials are revolutionising analytical applications with low-cost tests that enable detecting a target molecule in a few steps and with the naked eye. With this approach, non-experts can perform analyses on-site and without utilising electronic readers. This is advantageous in point-of-care ...


Fabrication of Thermosensitive, Star-Shaped poly (L-Lactide)-block-poly (N-isopropylacrylamide) Copolymers with Porphyrin Core for Photodynamic Therapy

22-Mar-2015 | Author(s): Xiao-Hui Dai , Hua Jin , Mei-Hong Cai , Hao Wang , Zhi-Ping Zhou , Jian-Ming Pan , Xiao-Hong Wang ..., Reactive and Functional Polymers, 2015

Publication date: April 2015 Source:Reactive and Functional Polymers, Volume 89 Author(s): Xiao-Hui Dai , Hua Jin , Mei-Hong Cai , Hao Wang , Zhi-Ping Zhou , Jian-Ming Pan , Xiao-Hong Wang , Yong-Sheng Yan , Dong-Ming Liu , Lin Sun Thermosensitive, star-shaped porphyrin-cored ...


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