Dalton Transactions

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Crystal structures and magnetic properties of a set of dihalo-bridged oxalamidato copper(II) dimers

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11877-11887
DOI: 10.1039/C4DT00925H, PaperDijana Zilic, Boris Rakvin, Dalibor Milic, Damir Pajic, Ivica Dilovic, Massimo Cametti, Zoran Dzolic
Structural features and magnetic properties of a series of dihalo-bridged oxalamidato Cu(II) dimeric complexes, comprising less common Br-derivatives, were studied by X-ray diffraction, single crystal EPR spectroscopy and SQUID measurements.
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Phosphotungstic acid encapsulated in the mesocages of amine-functionalized metal-organic frameworks for catalytic oxidative desulfurization

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11950-11958
DOI: 10.1039/C4DT01043D, PaperXu-Sheng Wang, Yuan-Biao Huang, Zu-Jin Lin, Rong Cao
PTA@MIL-101(Cr)-NH2 has been prepared via an anion exchange method, and showed high catalytic activity for oxidative desulfurization under mild conditions.
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Enhancing upconversion luminescence of NaYF4:Yb/Er nanocrystals by Mo3+ doping and their application in bioimaging

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12037-12043
DOI: 10.1039/C4DT00172A, PaperDongguang Yin, Chengcheng Wang, Juan Ouyang, Kailin Song, Bing Liu, Xianzhang Cao, Lu Zhang, Yanlin Han, Xie Long, Minghong Wu
In this work, we investigated the upconversion luminescence enhancement of NaYF4:Yb/Er by Mo3+ ion doping.
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An effective approach to achieving low supersaturation for a/b-axis oriented YBa2Cu3O7-[small delta] film growth

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11936-11940
DOI: 10.1039/C4DT00943F, PaperL. S. Guo, Y. Y. Chen, X. Yao
Using liquid phase epitaxy, a novel approach was developed to grow a-axis oriented YBa2Cu3O7-[small delta] films (a-films) under an air atmosphere, which has been difficult previously since its formation requires extremely low supersaturation.
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Synthesis, structure and a nucleophilic coordination reaction of Germanetellurones

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12100-12108
DOI: 10.1039/C4DT00937A, PaperBin Li, Yan Li, Na Zhao, Yuefei Chen, Yujue Chen, Gang Fu, Hongping Zhu, Yuqiang Ding
A germylene germanetellurone adduct L(Cp)GeTe(GeCl2), a pentafluorophenyl gold(I) germanethione and germaneselone compounds L(Me)GeE(AuC6F5) (E = S and Se) are herein reported.
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Phase transfer-based synthesis of HgS nanocrystals

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11981-11987
DOI: 10.1039/C4DT00998C, PaperLin Han, Pengfei Hou, Yan Feng, Hui Liu, Jianling Li, Zhijian Peng, Jun Yang
A phase transfer-based approach was demonstrated for the synthesis of HgS nanocrystals with tuneable morphologies.
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The influence of numbers and ligation positions of the triphenylamine unit on the photophysical and electroluminescent properties of homoleptic iridium(III) complexes: a theoretical perspective

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11915-11924
DOI: 10.1039/C4DT01049C, PaperYuqi Liu, Xiaobo Sun, Ying Wang, Zhijian Wu
DFT and TD-DFT calculations have shown that different numbers and ligation positions of triphenylamine units have an obvious influence on enhancing the charge-transfer process and tuning the emission color of these phenylpyridine-based homoleptic Ir(III) complexes.
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A family of enantiopure FeIII4 single molecule magnets: fine tuning of energy barrier by remote substituent

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11897-11907
DOI: 10.1039/C3DT53317D, PaperYuan-Yuan Zhu, Chang Cui, Kang Qian, Ji Yin, Bing-Wu Wang, Zhe-Ming Wang, Song Gao
We report a new family of enantiopure star-shaped FeIII4 single-molecule magnets (SMMs). Interestingly, the SMM properties of this series of clusters can be finely tuned by the remote substituent of the ligands.
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Oxygen content, crystal structure and chemical expansion of PrBaCo2-xFexO6-[small delta] double perovskites

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11862-11866
DOI: 10.1039/C4DT00847B, PaperD. S. Tsvetkov, I. L. Ivanov, D. A. Malyshkin, A. Yu. Zuev
The oxygen content, crystal structure and chemical expansion of PrBaCo2-xFexO6-[small delta] double perovskites have been investigated.
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Facile synthesis and photoluminescence spectroscopy of 3D-triangular GaN nano prism islands

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11855-11861
DOI: 10.1039/C4DT01191K, PaperMukesh Kumar, S. K. Pasha, T. C. Shibin Krishna, Avanish Pratap Singh, Pawan Kumar, Bipin Kumar Gupta, Govind Gupta
Facile syntheses of 3D-triangular GaN nano prism islands (TGNPI) were grown on Si(553) surface by sputter-gun technique. TGNPI exhibit ultra-violet luminescence emission at 366 nm upon 325 nm excitation wavelength.
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Synthesis of carbon black/carbon nitride intercalation compound composite for efficient hydrogen production

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12013-12017
DOI: 10.1039/C4DT00256C, PaperZhaochun Wu, Honglin Gao, Shicheng Yan, Zhigang Zou
The carbon black/carbon nitride intercalation compound composite photocatalyst was synthesized by molten salt heating for efficient solar hydrogen production.
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Evidence of cationic mixing and ordering in the honeycomb layer of Li4MSbO6 (M(III) = Cr, Mn, Al, Ga) (S.G. C2/c) oxides

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,12050-12057
DOI: 10.1039/C4DT00887A, PaperNeha Bhardwaj, Akanksha Gupta, S. Uma
We report the synthesis of the rock salt derived structures of Li4MSbO6 (M(III) = Cr, Mn, Al, Ga) oxides.
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Supported metal catalysts for alcohol/sugar alcohol steam reforming

21 July, 2014 - 20:54

Dalton Trans., 2014, 43,11782-11802
DOI: 10.1039/C4DT00521J, PerspectiveStephen D. Davidson, He Zhang, Junming Sun, Yong Wang
We summarize advances in fundamental understanding of catalysts for alcohol/sugar alcohol steam reforming and provide perspectives on developing efficient steam reforming catalysts.
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Pyridyl-1,2,4-triazole diphenyl boron complexes as efficient tuneable blue emitters

19 July, 2014 - 20:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01393J, PaperPeter Dijkstra, Davide Angelone, Elena Talnishnikh, Heinrich J. Wortche, Edwin Otten, Wesley R. Browne
1,2,4-Triazole based boron complexes are readily tunable blue emitters.
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Photophysical properties of trans-platinum acetylide complexes featuring N-heterocyclic carbene ligands

19 July, 2014 - 20:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01520G, PaperRussell W. Winkel, Galyna G. Dubinina, Khalil A. Abboud, Kirk S. Schanze
Platinum acetylide complexes featuring NHC-carbene ligands show enhanced photophysical properties relative to complexes with phosphine ligands.
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Selective conversion of alcohols in water to carboxylic acids by in situ generated ruthenium trans dihydrido carbonyl PNP complexes

19 July, 2014 - 20:17

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01634C, PaperJong-Hoo Choi, Leo E. Heim, Mike Ahrens, Martin H. G. Prechtl
In this work, we present a mild method for direct conversion of primary alcohols into carboxylic acids with the use of water as an oxygen source.
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New potassium-sodium niobate material system: a giant-d33 and high-TC lead-free piezoelectric

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11759-11766
DOI: 10.1039/C4DT01293C, PaperTing Zheng, Jiagang Wu, Xiaojing Cheng, Xiaopeng Wang, Binyu Zhang, Dingquan Xiao, Jianguo Zhu, Xiaojie Lou, Xiangjian Wang
A giant d33 ([similar]400 pC/N) and a high TC ([similar]292 [degree]C) have been simultaneously achieved in the (1 - x)K0.40Na0.60Nb0.965Sb0.035O3-xBi0.5Li0.5ZrO3 lead-free ceramics by forming the R-T phase boundary.
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Electronic excited states of chromium and vanadium bisarene complexes revisited: interpretation of the absorption spectra on the basis of TD DFT calculations

13 July, 2014 - 18:54

Dalton Trans., 2014, Advance Article
DOI: 10.1039/C4DT01481B, PaperSergey Ketkov, Nikolai Isachenkov, Elena Rychagova, Wen-Bih Tzeng
The influence of the ([small eta]6-arene)2M (M = Cr, V, Cr+) composition on parameters of intravalency and Rydberg transitions is explained on the basis of time-dependent DFT.
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Tuning of photocatalytic activity by creating a tridentate coordination sphere for palladium

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11676-11686
DOI: 10.1039/C4DT01034E, PaperM. G. Pfeffer, L. Zedler, S. Kupfer, M. Paul, M. Schwalbe, K. Peuntinger, D. M. Guldi, J. Guthmuller, J. Popp, S. Grafe, B. Dietzek, S. Rau
Intramolecular ruthenium palladium hydrogen evolving photocatalyst containing a novel coordination pocket for the catalytic centre.
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A-site size effect in a family of unfilled ferroelectric tetragonal tungsten bronzes: Ba4R0.67Nb10O30 (R = La, Nd, Sm, Gd, Dy and Y)

13 July, 2014 - 18:54

Dalton Trans., 2014, 43,11687-11695
DOI: 10.1039/C4DT00126E, PaperOpen Access Open Access Creative Commons Licence&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jonathan Gardner, Finlay D. Morrison
The structure of a family of ferroelectric unfilled tetragonal tungsten bronze oxides can be approximated to be metrically tetragonal allowing a simple correlation of tetragonality with Curie temperature.
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