Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Qing Xu"'
Publikováno v:
Journal of Cluster Science. 32:193-197
The simple solvothermal self-assemble of CuI, 1,4-bis(2-methyl-1H-imidazol-1-yl)butane (L1) and HI in a C2H5OH solvent at pH = 2 created a new H2(L1)2+-templated 1-D chained iodocuprate(I) [H2(L1)][Cu3I5] 1. The crystal data reveal that the Cu-I chai
Autor:
Xiao-Lei Zhao, Yun-Chang Fan, Wan-Wan Wang, Zhi-Hong Xu, Yuan Wang, Zhou-Qing Xu, Wei-Na Wu, Wen-Zhao Xue
Publikováno v:
Journal of Luminescence. 212:191-199
A novel pyrazine hydrazone 1 has been designed and synthesized, which acts as a multiprobe for selective detection of Al3+, Mg2+, and Zn2+ in DMSO solution based on fluorescent enhancement with three different emission colors. The higher affinity of
Autor:
Yun-Chang Fan, Xiao-Lei Zhao, Zhou-Qing Xu, Zhi-Hong Xu, Wu Hao, Yuan Wang, Wei-Na Wu, Xian-Jie Mao
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 212:1-9
A rhodamine hydrazone 1 bearing coumarin moiety was designed and prepared. Compound 1 exhibited high selectivity toward Co2+ and trivalent metal ions with fluorescence enhancement in CH3OH solution. However, 1 selectively responded to Al3+ in nearly
Autor:
Yun-Chang Fan, Xiao-Lei Zhao, Zhou-Qing Xu, Yuan Wang, Wu Hao, Zhi-Hong Xu, Wei-Na Wu, Run-Bin Zhong
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 212:121-127
A novel rhodamine-based Schiff base derivative was obtained via the simple condensation of substituted formyl-1H-pyrrole and rhodamine 6G hydrazone. Fluorescence resonance energy transfer enabled the subsequent use of the derivative as a naked-eye co
Autor:
Zhi-Hong Xu, Xiao-Lei Zhao, Wei-Na Wu, Zhou-Qing Xu, Yuan Wang, Ya-Ping Yu, Yun-Chang Fan, Wu Hao
Publikováno v:
Journal of Luminescence. 204:289-295
A simple monocarbazone 1 derived from 2H-benzo[h]chromene-3-carbaldehyde and carbazide exhibited aggregation-induced ratiometric emission upon the addition of water to CH3OH solution (Δλem= 30 nm). Upon Cu2+ treatment, the fluorescence emission of
Publikováno v:
Inorganic chemistry. 60(4)
Active species were introduced into MOFs to prepare multifunctional fluorescent probes by a stepwise postsynthetic modulation strategy. First, two-dimensional HPU-16 (HPU = Henan Polytechnic University; HPU-16 = Zn(L)2(H2O); HL = 2-(5-pyridin-4-yl-5H
Publikováno v:
Crystal Growth & Design. 18:5353-5364
We employed a rigid bridging-type tetracarboxylic acid molecule, namely, 5,5′-(pyridine-3,5-diyl)diisophthalic acid (H4L; containing two isophthalic acid moieties and one pyridine spacer), to construct three new isomorphic Ln-metal–organic framew
Autor:
Wei-Na Wu, Pan-Dong Mao, Yuan Wang, Xiao-Lei Zhao, Xian-Jie Mao, Yun-Chang Fan, Zhi-Hong Xu, Xufeng Hou, Zhou-Qing Xu
Publikováno v:
Sensors and Actuators B: Chemical. 258:393-401
A novel pyrene-based Schiff base derivative, 1, was synthesized by one-pot reaction. This compound was then used for aggregation emission enhancement and as fluorescence turn-on sensor toward Cu2+ in semi-aqueous solution based on metal-induced self-
Autor:
Yun-Chang Fan, Xiao-Lei Zhao, Xian-Jie Mao, Zhou-Qing Xu, Yuan Wang, Wei-Na Wu, Pan-Dong Mao, Zhi-Hong Xu
Publikováno v:
Sensors and Actuators B: Chemical. 255:3085-3092
An aggregation-induced emission (AIE) active bis-hydrazone in the aqueous medium is designed and prepared, which can be used as a multi-probe that selectively detects Cu2+, Zn2+, and Hg2+ by monitoring the changes in absorption and fluorescence spect
Autor:
Ai-Na Dou, Qi Yin, Ai-Xin Zhu, Ju Li, Li-Bo Yang, Quan-Qing Xu, Xiao-Dan Fang, Mei-Yan Wang, Mao-Dong Li
Publikováno v:
CrystEngComm. 20:3609-3619
Two lanthanide–organic frameworks formulated as [Eu2(DMTDC)3(DEF)4]·DEF·6H2O (1) and [Tb2(DMTDC)3(DEF)4]·DEF·6H2O (2) (H2DMTDC = 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid and DEF = N,N-diethylformamide) have been synthesized unde