Articles with "crystal transformation" as a keyword



Sequential Sol-Gel Self-Assembly and Nonclassical Gel-Crystal Transformation of the Metal-Organic Framework Gel.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202206718

Abstract: Metal-organic framework (MOF) gel, an emerging subtype of MOF structure, is unique in formation and function; however, its evolutionary process remains elusive. Here, the evolution of a model gel-based MOF, UiO-66(Zr) gel, is explored by… read more here.

Keywords: gel crystal; self assembly; nonclassical gel; gel ... See more keywords
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Photodriven single-crystal-to-single-crystal transformation

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Published in 2017 at "Coordination Chemistry Reviews"

DOI: 10.1016/j.ccr.2016.06.009

Abstract: Abstract Molecular architectures containing photosensitive units respond to light, giving dramatic variations of their structure. In particular, the crystalline packing phases offer the possibility of significant advances in crystal design and the understanding of solid-state… read more here.

Keywords: crystal single; single crystal; chemistry; photodriven single ... See more keywords
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Direct formation of [NH4]N3 from a pentazolate salt through single-crystal to single-crystal transformation

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Published in 2018 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2018.02.001

Abstract: Abstract In the area of polynitrogen anions, the only stable species synthesized as yet are the azide anion (N3−) and the pentazolate anion (cyclo-N5−). We here describe an unprecedented example of a spontaneous single-crystal to… read more here.

Keywords: crystal single; single crystal; crystal transformation; pentazolate ... See more keywords
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The Morse code effect: A crystal–crystal transformation observed in gel-grown lead (II) oxalate crystals

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Published in 2018 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2018.01.004

Abstract: Abstract This paper reports on an unusual crystal–crystal transformation phenomenon, which we have called the Morse Code Effect, based on the change in appearance of lead(II) oxalate crystals grown in agarose gels. read more here.

Keywords: crystal crystal; morse code; oxalate crystals; lead oxalate ... See more keywords
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Effects of different coatings on the crystal transformation of β-HNIW

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Published in 2021 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2021.126175

Abstract: Abstract In this study, the effects of dopamine, binder and plasticizer on the crystal transformation of β-HNIW were investigated. By a simple preparation method, dopamine, plasticizer and binder were coated on the surface of β-HNIW.… read more here.

Keywords: dopamine; crystal transformation; transformation hniw; hniw crystal ... See more keywords
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Three supramolecular compounds of 1,4-benzeneditetrazole (H 2 BDT): Syntheses, crystal structures, and crystal to crystal transformation

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Published in 2017 at "Journal of Molecular Structure"

DOI: 10.1016/j.molstruc.2017.04.071

Abstract: Abstract Three supramolecular compounds based on 1,4-benzeneditetrazole (H2BDT), (NH4)2(BDT) (1), [Mg(H2O)6](HBDT)2·2H2O (2), and [Mg(CH3OH)4(H2O)2](HBDT)2·2CH3OH (3) have been solvothermally synthesized and structurally characterized by single-crystal/powder X-ray diffraction. Structural analyses indicated that these compounds are 3D supramolecular… read more here.

Keywords: bdt; crystal crystal; supramolecular compounds; three supramolecular ... See more keywords

Characterizing polymorphism and crystal transformation of polylactide by terahertz time-domain spectroscopy

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Published in 2017 at "Polymer Testing"

DOI: 10.1016/j.polymertesting.2016.11.017

Abstract: Abstract Terahertz time-domain spectroscopy (THz-TDS), which has been proved to show promising application in complex polymer systems, was employed to investigate the polymorphism phenomenon and crystal transformation of polylactide (PLA) in this study. The THz-TDS… read more here.

Keywords: thz tds; time; transformation; spectroscopy ... See more keywords
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Competition of Hydrogen Bonds and Coordinate Bonds Induces a Reversible Crystal Transformation.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c03291

Abstract: Achieving reversible molecular crystal transformation between coordinate aggregates and hydrogen bonded assemblies has been a challenging task because coordinate bonds are generally much stronger than hydrogen bonds. Recently, we have reported the incorporation of silver… read more here.

Keywords: hydrogen bonds; coordinate bonds; hydrogen; competition hydrogen ... See more keywords
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A 3D Calcium Spirobifluorene Metal-Organic Framework: Single-Crystal-to-Single-Crystal Transformation and Toluene Detection by a Quartz Crystal Microbalance Sensor.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.7b02671

Abstract: A new 3D metal-organic framework Ca-SBF based on a zigzag-shaped tetranuclear calcium oxocluster and 9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetracarboxylic acid was obtained and exhibited flu topology. Ca-SBF underwent a single-crystal-to-single-crystal transformation to form Ca-SBF-1 with a slight structure shrinkage.… read more here.

Keywords: quartz crystal; single crystal; metal organic; crystal single ... See more keywords
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Tuning Semiconductor Performance of Nickel Complexes through Crystal Transformation.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01841

Abstract: Crystal transformation between two polymorphs (green, 1-G, and red, 1-R) of the square-planar nickel complex NiL2 (L = 2-ethoxy-6-( N-methyliminomethyl)phenolate) and their tuning effect to semiconductor properties were studied both experimentally and theoretically. When 1-G… read more here.

Keywords: nickel; transformation; conductivity; tuning semiconductor ... See more keywords
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Single-Crystal to Single-Crystal Transformation of Metal–Organic Framework Nanoparticles for Encapsulation and pH-Stimulated Release of Camptothecin

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Published in 2021 at "ACS Applied Nano Materials"

DOI: 10.1021/acsanm.1c01146

Abstract: The phenomenon of single-crystal to single-crystal transformation and the performance change along with the transformation have been widely discovered, whereas the efficient utilization of the crystal transformation process is less reported. Herein, we present an… read more here.

Keywords: encapsulation; single crystal; transformation; crystal single ... See more keywords