A5100346097- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Metal-Organic Frameworks: Synthesis and Applications
- Magnetism in coordination complexes
- Molecular Sensors and Ion Detection
- Luminescence and Fluorescent Materials
- Advanced Nanomaterials in Catalysis
- Crystallography and molecular interactions
- Lanthanide and Transition Metal Complexes
- Metal complexes synthesis and properties
- Polyoxometalates: Synthesis and Applications
- Gas Sensing Nanomaterials and Sensors
- Nanocluster Synthesis and Applications
- Crystal structures of chemical compounds
- Covalent Organic Framework Applications
- Advanced biosensing and bioanalysis techniques
- Analytical Chemistry and Sensors
- Supramolecular Chemistry and Complexes
- Advanced Photocatalysis Techniques
- Nanomaterials for catalytic reactions
- ZnO doping and properties
- Carbon and Quantum Dots Applications
- Luminescence Properties of Advanced Materials
- Adsorption and biosorption for pollutant removal
- Electrochemical sensors and biosensors
Henan Polytechnic University
2015-2024
Jiaozuo University
2015-2019
Southeast University
2019
Zhengzhou University
2011-2014
Zhejiang Academy of Medical Sciences
2005
A smart material HPU-24 loaded with [Ru(bpy) 3 ] 2+ named HPU-24@Ru has been obtained, which could be applied to high-sensitivity Al 3+ sensing and temperature-stimulus high-level anticounterfeiting.
The precise synthesis of Cu NCs is a highly desirable and controllable route for the preparation desired structures properties, which facilitates rational design valuable probes fluorescence sensing understanding structure-property relationships. Herein, an ion-exchange strategy combined with bottom-up synthetic approach was utilized in process first time, achieved situ anchoring on support material HPU-14. as-prepared NCs@HPU-14-4h not only had good peroxidase-like property but also...
{[Cu6(TTTMB)8(OH)4(H2O)6]·8(NO3)·34.5H2O}n can reversibly transform to {[Cu6(TTTMB)8I3]·9I·26H2O}n upon a single crystal process. The transformation is accompanied by the formation of weak Cu2+⋯I− interactions and changes in coordination numbers, as well modulation their properties.
To investigate the influence of organic molecules with reactive functional groups as templates on structures resulting MOFs, four novel complexes based pyridyl carboxylic acid ligand 5-(pyridin-4-yl)isophthalic (H2pyip), namely, [Mn3(pyip)2(HCOO)2(H2O)2]n (1), {[Co(pyip)(H2O)]·H2O}n (2), {[Mn2(pyip)2(H2O)4]·5H2O}n (3), and [Co(pyip)(EtOH)(H2O)]n (4), have been synthesized under solvothermal conditions. In presence 4,4′-bipyridyl template, 3D coordination framework 1 Schläfli symbol (4·6·7)...
Herein, a mechanism of stepwise metal-center exchange for specific metal-organic framework, namely, [Zn4 (dcpp)2 (DMF)3 (H2 O)2 ]n (H4 dcpp=4,5-bis(4'-carboxylphenyl)phthalic acid), is disclosed the first time. The coordination stabilities between central metal atoms and ligands as well geometry are considered to be dominant factors in this mechanism. A new magnetic analytical method theoretical model confirmed that reasonable. When metathesis reaction occurs Cu(II) ions framework Zn(II)...
The conversion from a [2 + 2] nested double-helical column, {[Mn2(ptptp)(suc)(H2O)2]·1.5H2O}n (1), to cationic spiral staircase, {[Mn2(ptptp)(suc)0.5(H2O)3]·Br·0.5H2O}n (2), has been achieved through ionic liquid anion stimulations under solvothermal conditions. does not change the antiferromagnetic interactions.
The generation of smart responsive materials that can perform multiple drastic optical outputs upon different triggers provides a good platform to encode and hide the information create multilevel security. In this paper, multiresponsive MOF-on-MOF material was reported using one MOF (HPU-14) as grow ZIF-8 on outer layer, combining emitter centers such anthracene (ANT) lanthanide ions (Ln3+) confined into two MOFs. Due existence ANT in pores ZIF-8, composite exhibit reversible photoswitching...
With the incessant improvement of requirements for optical anti-counterfeiting technology, it is essential to develop multifunctional luminescent materials with multiple models and adjustable luminescence. In this article, we reported three new UCNPs@HPU-19b@Ln3+ (UCNP = up-conversion nanosphere; HPU Henan Polytechnic University; UCNPs Y2O3: Er3+, Yb3+@SiO2 nanospheres; HPU-19 [Cd4(L)2(H2O)3]n, H4L 5,5′-oxydiisophthalic acid) composite materials, which could exhibit red, green, or yellow...
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; Zn(L)2(H2O); HL 2-(5-pyridin-4-yl-5H-[1,2,4]triazol-3-yl)-pyrazine) was transformed three-dimensional HPU-17 ({Zn3(L)2(btc)2(H2O)}n) through crystal dissolution–recrystallization process. Second, linker replacement used introduce −NH2 the generate functional NH2-HPU-17 via single-crystal...
[8 + 12]-metallamacrocycle-based 3D frameworks {[Cu4(pbt)2(SO4)2(DMF)2(CH3OH)]·7H2O·DMF}n (1) and [12]-macrocycle {[Cu2(pbt)(SO4)(DMSO)(CH3OH)2]·5H2O·CH3OH}n (2) have been obtained. Both complexes display antiferromagnetic couplings high catalytic activity in the oxidative coupling reaction of 1-ethynylbenzene oxazolidin-2-one.
The secondary building unit (SBU) has been identified as a useful tool in the synthesis of metal–organic frameworks (MOFs). Herein, we synthesized six novel Zn complexes, namely, {[Zn3(tci)2(DMF)2)]·2DMF·2CH3OH}n (1), {[Zn3(tci)2(DMSO)2(H2O)2]·2DMSO·3H2O}n (2), {[ZnNa(tci)(H2O)]·2H2O}n (3), {[Zn5(tci)2(OH)4(H2O)2]·2H2O}n (4), {[Zn3(tci)2(phen)2(H2O)2]·4H2O}n(5), and {[Zn3(tci)2(btb)2(H2O)2]·6H2O}n (6) by utilizing different SBUs (tci = tris(2-carboxyethyl) isocyanurate, phen...
A prepared anionic <bold>HPU-14,</bold> which was employed as a platform for loading green-emitting Tb<sup>3+</sup> and red-emitting Eu<sup>3+</sup> into nanotube channels of the blue-emitting MOF <italic>via</italic> an ion-exchange process, is suitable white light-emitting LED devices enables sensitive colorimetric reversible detection gaseous HCl.
A new (3,18)-connected 3D metal-organic framework [Co(PYNT)(H(2)O)(2)](n) (ZZU-1) (H(2)PYNT=5-(3'-carboxylphenyl) nicotic acid) has been reported. Amazingly, ZZU-1 captures water molecules and transforms into the hydrated {[Co(3)(PYNT)(3)(H(2)O)(6)]⋅H(2)O}(n) (ZZU-2) at 160 °C in refluxing DMF, but not 100 neat or from solvothermal synthesis conducted 90 °C.
A Fe(II)-based metal-organic framework (MOF), {[Fe2(pbt)2(H2O)2]·2H2O}n, undergoes an irreversible dehydration, which triggers changes in the catalytic and magnetic properties of MOF. These property are attributed to high-spin low-spin transition 7.1% center Fe(II), is demonstrated by (57)Fe Mössbauer, X-ray photoelectron spectroscopy, UV/vis absorption spectra.
It is an urgent topic for public health and environmental protection to remove Cr(VI) from wastewater effectively conveniently. Herein, we fabricate the novel hybrid magnetic material HPU-13@Fe3O4 (HPU-13 = {[Cu3(L)2]·OH·2CH3CH2OH·10H2O}n; HL 2-(5-pyridin-4-yl-2H-[1,2,4]triazol-3-yl)pyrimidine), which shows excellent removal efficiency easily employed as a reusable absorbent. The maximum capacities of Cr2O72– CrO42– adsorbed on were 398.41 471.69 mg/g, respectively, larger than those...