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Liao Y.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | He L.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Huang J.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Zhang J.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | And 3 more authors.
ACS Applied Materials and Interfaces | Year: 2010

Functional nanoscale coordination polymers are receiving growing scientific interest because of their potential applications in many domains. In this paper, we demonstrated that a nanofibrous networked metal-organic gel (G1-MNPs) was formed by simply mixing 4,4′,4″-(1,3,5-triazine-2,4,6-triyl) tris(N-(pyridin-3-ylmethyl)benzamide) (L) and Pd(COD)(NO3) 2 in CHCl3-MeOH with a Pd/L molar ratio of 1:1 in the presence of magnetite nanoparticle (MNPs). The self-assembly behavior of nanofibers was not significantly effected by the introduction of magnetite nanoparticles. The xerogel of G1-MNPs was superparamagnetic and showed catalytic activity in Suzuki-Miyaura C-C coupling reactions. The Pd(II) xerogel could be magnetically isolated and recycled with a permanent magnet. It represents a novel strategy to introduce nanoparticles into functional coordination polymers for multifunctional materials. © 2010 American Chemical Society.


Zhang J.-A.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Pan M.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Yang R.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | She Z.-G.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | And 3 more authors.
Polyhedron | Year: 2010

The semirigid tridentate 8-(2-pyridinylmethylthio)quinoline ligand (Q1) is shown to form the structurally characterized transition metal complexes [Cu(Q1)Cl2] (1), [Co(Q1)(NO3)2] (2), [Cd(Q1)(NO3)2] (3), [Cd(Q1)I2] (4). [Cu(Q1)2](BF4)2·(H2O)2 (5), [Cu(Q1)2](ClO4)2·(CH3COCH3)2 (6), [Zn(Q1)2](ClO4)2(H2O)2 (7), [Cd2(Q1)2Br4] (8), [Ag2(Q1)2(ClO4)2] (9), and [Ag2(Q1)2(NO3)2] (10). Four types of structures have been observed: ML-type in complexes 1-4, in which the anions Cl-, NO3 - or I- also participate in the coordination; ML2 - type in complexes 5-7 without direct coordination of the anions BF4 - or ClO4 - and with more (Cu2+) or less (Zn2+) distorted bis-fac coordinated Q1; M2L2-type in complex 8, in which two Br- ions act as bridges between two metal ions; and M2(μ-L)2-type in complexes 9 and 10, in which the ligand bridges two anion binding and Ag-Ag bonded ions. Depending on electron configuration and size, different coordination patterns are observed with the bonds from the metal ions to Npyridyl longer or shorter than those to Nquinoline. Typically Q1 acts as a facially coordinating tridentate chelate ligand except for the compounds 9 and 10 with low-coordinate silver(I). Except for 6 and 8, the complexes exhibit distinct constraining effects against both G(+) and G(-) bacteria. Complexes 1, 3, 4, 5, 7 have considerable antifungal activities and complexes 1, 5, 7, and 10 show selective effects to restrain certain botanic bacteria. Electrochemical studies show quasi-reversible reduction behavior for the copper(II) complexes 1, 5 and 6. © 2009 Elsevier Ltd. All rights reserved.


Wang A.-L.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Zhang C.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Zhou W.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Tong Y.-X.,MOE Laboratory of Bioinorganic and Synthetic Chemistry | Li G.-R.,MOE Laboratory of Bioinorganic and Synthetic Chemistry
AIChE Journal | Year: 2016

Significance: The rapid development of flexible and portable electrochemical energy devices has promoted the demand for flexible and lightweight electrocatalysts. Here we report flexible high performance electrocatalysts based on PtCu alloy nanotube arrays on carbon fiber cloth (CFC) (PtCu ANTAs/CFC) for direct methanol fuel cell (DMFC). Compared with Pt NTAs/CFC and commercial Pt/C, the PtCu ANTAs/CFC electrocatalysts exhibit significantly improved electrocatalytic activity and durability. Furthermore, the PtCu ANTAs/CFC electrocatalysts show excellent flexibility and they can keep almost constant electrocatalytic performance under the different distorted states, such as normal, bending and twisting states. The improved performance of the flexible PtCu ANTAs/CFC electrocatalysts can be ascribed to unique ANTAs, synergistic effect between Pt and Cu, and porous structure of CFC. This work shows the significant progress of high-performance Pt-based flexible anodes for DMFCs. © 2016 American Institute of Chemical Engineers.

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