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47 Result(s)
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Peng Cheng
Inorganic Chemistry
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Article
Study of 99Tc and 129I measurement using 3MV **’an-AMS
The 3 MV AMS is completely unable to distinguish isobars within a gas ionization chamber for medium-heavy mass nuclides such as 99Tc and 129I. However, isobar suppression and elimination can be performed during t...
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Article
Post-synthetic modifications of metal–organic cages
Metal–organic cages (MOCs) are discrete, supramolecular entities that consist of metal nodes and organic linkers, which can offer solution processability and high porosity. Thereby, their predesigned structure...
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Article
Stepwise Fabrication of Proton-conducting Covalent Organic Frameworks for Hydrogen Fuel Cell Applications
Exploring new materials to manufacture proton-conducting membranes(PEMs) for fuel cells is highly significant. In this work, we fabricated two robust and highly crystalline porous covalent organic frameworks(CO.....
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Chapter and Conference Paper
Flexible Surface Treatment Technology to Enable Temporary SCC Prevention for Mg Dissolvable Alloys
Massive quantities are needed from the oil and gas industry to manufacture “dissolving plugs”. Given its poor cracking is rarely reported from field operations despite their broad usage. Plugs are stre...
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Article
Synthesis of bilayer borophene
As the nearest-neighbour element to carbon, boron is theoretically predicted to have a planar two-dimensional form, named borophene, with novel properties, such as Dirac fermions and superconductivity. Several...
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Article
Sequential combustion separation of soil organic carbon fractions for AMS measurement of 14C and their application in fixation of carbon
A temperature stepped-combustion method for separating soil organic carbon (SOC) fractions and their 14C ages was developed to investigate SOC fixation and stability in soils. After acid-leaching, SOC was sequent...
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Article
Rapid determination of 129I in large-volume water samples using rotary evaporation preconcentration and accelerator mass spectrometry measurement
A rapid method using rotary evaporation combined with accelerator mass spectrometry (AMS) measurement, was developed for the determination of 129I in large-volume water samples. The parameters including water bat...
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Article
Impact of North Korean nuclear weapons test on 3 September, 2017 on inland China traced by 14C and 129I
Environmental impact of North Korea nuclear weapons testing on 3 Sept, 2017, is of key concern. In order to investigate whether there is radioactive leakage and whether it can be transported to inland China, 14C ...
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Article
Experimental realization of two-dimensional boron sheets
A variety of two-dimensional materials have been reported in recent years, yet single-element systems such as graphene and black phosphorus have remained rare. Boron analogues have been predicted, as boron ato...
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Book
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Chapter
Transition–Lanthanide Heterometal–Organic Frameworks: Synthesis, Structures, and Properties
Transition–lanthanide heterometal–organic frameworks (HMOFs) have attracted increasing interests in recent decades because of their advantageous features as potential molecular materials, such as fascinating s...
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Article
Two novel dinuclear iron(III) complexes containing μ-oxo-di-μ-carboxylato motif
Two novel μ-oxo-di-μ-carboxylato-bridged iron(III) complexes of [Fe2(bpea)2(PhCO2)2(μ-O)] (ClO4)2·C2H5OH (1) and [Fe2(bpma)2(ClCH2COO)2(μ-O)](ClO4)2· H2O (2) (bpea = N,N-bis(2-pyridylmethyl)ethylamine, bpma = N,N
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Article
Synthesis and structure of ytterbium (III) complex containing tetrachlorophthalate dianions
A novel tetrachlorophthalato-Yb(III) complex [Yb(tcph)(H2O)7]Htcph·H2tcph·H2O (1) (H2tcph=tetrachlorophthalic acid) has been synthesized and characterized by the single crystal X-ray diffraction analysis. Colorle...
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Article
Structure and magnetic properties of a dtm-bridged two-dimensional supramolecular complex {[Fe(dtm)2(H2O)2](ClO4)2 · 2H2O} n (dtm = 4,4′-ditriazolemethane)
This work presents the synthesis, crystal structure and magnetic properties of a novel dtm-bridged 2D iron(II) supramolecular complex {[Fe(dtm)2(H2O)2](ClO4)2 · 2H2O} n ...
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Article
A Binuclear Copper(II) Complex with Two Symmetric End-on Azido Bridges. Synthesis, Spectroscopy, Crystal Structure and Magnetism
A binuclear copper(II) complex with two symmetric end-on azido bridges: [Cu2(tacn)2(µ-N3)2](ClO4)2 · CH3OH (1), where tacn = 1,4,7-triazacyclononane, has been synthesized and structurally as well as magnetically ...
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Article
A new assembly containing [Fe(dien)2]2+ and [Ni(CN)4]2− ions
A tetracyanometallate with complex dien cation [Fe(dien)2][Ni(CN)4] (1) (dien = diethylenetriamine), has been prepared and characterized by IR, UV-Vis and ESR spectroscopies. Single crystal X-ray analysis reveals...
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Article
Structure and magnetic properties of a dinuclear complex [Cu2(TPA)2(o-phth)](ClO4)2
A new dinuclear complex, [Cu2(TPA)2(o-phth)](ClO4)2 (TPA = tris(2-pyridylmethyl) amine, o-phth = terephthalato dianion), was synthesized and characterized by X-ray crystallography. The unit of dinuclear Cu(II) wa...
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Article
Synthesis, crystal structure and magnetism of a three-dimensional manganese(II) complex with carbamyldicyanomethanide anion (cda) as a bridging ligand
A three-dimensional complex {[Mn(cda)2]·2MeOH}n has been synthesized and its crystal structure determined by X-ray crystallography. In the complex each Mn ion is located in a distorted octahedral environment with...
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Article
Crystal structures and spectroscopic properties of copper(II) and zinc(II) complexes with the macrocycle 1,4,7-tris(2-pyridylmethyl)-1,4,7-triazacyclononane
Two novel transition-metal copper and zinc complexes [(CuL)2]·(ClO4) (1) and [(ZnL)]·(ClO4)2 (2) (L = 1,4,7-tris(2-pyridylmethyl)-1,4,7-triazacyclononane) have been synthesized and structurally determined. The tw...
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Article
Synthesis, structures and properties of two novel copper(II) complexes with hydrogen bonding supramolecular networks
Two novel complexes, [Cu(HL)2(H2O)]2(OH)2(ClO4)2·1.5H2O (1) and [Cu(HL)2]Cl2·4H2O (2), have been prepared by reacting copper salts with the 4-amino-3-ethyl-1,2,4-triazole-5-thione (HL) ligand in neutral solution ...
