Jinxuan Liu

Jinxuan Liu
Dalian University of Technology | DUT · Institute of Artificial Photosynthesis

Dr.

About

49
Publications
28,102
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3,725
Citations
Citations since 2016
19 Research Items
2796 Citations
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500

Publications

Publications (49)
Article
We demonstrate a dialytic strategy for the synthesis of congeneric two-dimensional metal-organic framework (2D MOF) nanosheets with a dialysis membrane using 1,4-benzenedicarboxylic acid (BDC), 1,4-naphthalenedicarboxylic acid (NDC), and 9,10-anthracenedicarboxylic acid (ADC) as organic linkers and copper(II) as a metal precursor, respectively. Pol...
Article
It is of great significance to produce allylic alcohols, a fundamental intermediates in industrial organic synthesis, through hydrogenation of α,β‐unsaturated aldehydes. The development of catalytic transfer hydrogenation (CTH) to improve reaction selectivity is critical and still a major challenge. In this work, we used UiO‐66 as precursor, hydroc...
Article
A bioinspired NiFe-gallate was synthesized on carbon paper. It exhibits superior OER performance with an overpotential of 185 mV at 10 mA cm –2 .
Article
SURMOFs and CCNCs applications well be presented; in the Applications field of low-k and dielectric materials, optoelectronic propeties, novel photonic band gap naterials as well as for PV applications.
Article
Au−Pd alloy catalysts were successfully loaded into amine‐functionalized metal‐organic framework (MOF, UiO‐66‐NH2) via direct absorption/reduction method. The existence of Pd in the alloy was revealed by using in situ fourier transform infrared spectroscopy (FTIR) with CO as probe molecules. The X‐ray diffraction (XRD) and transmission electron mic...
Article
Highly efficient, robust, and cheap water oxidation electrodes are of great significance for large-scale production of hydrogen by electrolysis of water. Here, a self-supported stainless steel (SS) nanocone array coated with a layer of nanoparticulate Ni-Fe oxides/(oxy)hydroxides was fabricated by a facile, low-cost, and easily scalable two-step pr...
Article
An efficient heterogeneous catalyst, [email protected](Cr)-NH2, is prepared through a direct pathway of anionic exchange followed by hydrogen reduction with amino-containing MIL-101 as the host matrix. The composite is thermally stable up to 350 °C and the Pd nanoparticles uniformly disperse on the matal organic framework (MOF) support, which are a...
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Full-text available
Surface-supported metal–organic framework thin films are receiving increasing attention as a novel form of nanotechnology. New deposition techniques that enable the control of the film thickness, homogeneity, morphology, and dimensions with a huge number of metal–organic framework compounds offer tremendous opportunities in a number of different ap...
Article
On the way to energy-efficient and cost-effective hydrogen production by electrochemical or photoelectrochemical water splitting, it is of primary importance to develop highly active and durable water oxidation electrocatalysts based on earth-abundant elements. Here we report a highly active, robust, cheap, and facilely fabricated O2-evolving catal...
Article
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To study the implications of highly space-demanding organic moieties on the properties of self-assembled monolayers (SAMs), triptycyl thiolates and selenolates with and without methylene spacers on Au(111) surfaces were comprehensively studied using ultra-high vacuum infrared reflection absorption spectroscopy, X-ray photoelectron spectroscopy, nea...
Data
Supporting information includes experimental details on the synthesis of Trp1SeAc, an extended table with IR spectra band assignments, original NEXAFS spectra and the derivation of Eq. 3 and Eq. 4.
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Pd@MIL-101(Cr) hetero-catalysts have been successfully prepared using the metal–organic chemical vapour deposition (MOCVD) approach, by choosing [Pd(η³-C3H5)(η⁵-C5H5)] as a volatile precursor, and the hydrothermally stable metal–organic framework, MIL-101(Cr) as a support. The prepared Pd@MIL-101(Cr) hetero-catalysts characterized with various anal...
Article
A series of highly porous acidic metal-organic framework MIL-101 supported Pd nanoparticles materials with different Pd contents were prepared through a simple sol-gel method. The obtained heterogeneous catalytic material Pd@MIL-101 was comprehensively characterized by powder X-ray diffraction (PXRD), N-2 adsorption, FTIR spectroscopy of pyridine a...
Article
Die magnetischen Eigenschaften Metall-organischer Gerüste (MOFs) der SURMOF-2-Serie wurden untersucht. Anders als bei Volumen-MOF-2-Kristallen, bei denen Cu2+-Ionen in einer Schaufelrad-Anordnung vorliegen und antiferromagnetisch gekoppelt sind, zeigen die Carboxylatgruppen hier eine reißverschlussartige Anordnung. Eine theoretische Analyse ergibt,...
Article
We have studied the magnetic properties of the SURMOF-2 series of metal-organic frameworks (MOFs). The Cu++-ions within these crystalline nanoporous solids are connected via carboxylate-groups in a zipper-like fashion. This unusual coupling of the spin 1⁄2-ions within the resulting one-dimensional chains is found to stabilize a low-temperature, fer...
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We demonstrate the fabrication of a new class of epitaxial porphyrin metal-organic framework thin films with the ability of tuning the photophysical properties of porphyrin-based MOFs by introduction of electron-donating diphenylamine (DPA) groups to the porphyrin skeleton. The attachment of DPA groups results in strongly improved absorption charac...
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Thin-film multilayer stacks of mechanically hard magnetron sputtered indium tin oxide (ITO) and mechanically soft highly porous surface anchored metal-organic framework (SURMOF) HKUST-1 were studied using nanoindentation. Crystalline, continuous, and monolithic surface anchored MOF thin films were fabricated using a liquid-phase epitaxial growth me...
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Monolithic, crystalline and highly oriented coordination network compound (CNC) Prussian blue (PB) thin films have been deposited though different routes on conductive substrates. Characterization of the monolithic thin films reveals a long-term stability, even after many redox cycles the crystallinity as well as the high orientation remain intact...
Article
For inorganic semiconductors crystalline order leads to a band structure which gives rise to drastic differences to the disordered material. An example is the presence of an indirect band gap. For organic semiconductors such effects are typically not considered, since the bands are normally flat, and the band-gap therefore is direct. Herein we show...
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Bei anorganischen Halbleitern führt kristalline Ordnung zur Bildung einer elektronischen Bandstruktur, die deutliche Unterschiede zu ungeordnetem Material aufweist; z. B. können indirekte Bandlücken auftreten. Bei organischen Halbleitern werden solche Effekte üblicherweise nicht in Betracht gezogen, da die Bänder in der Regel flach sind und die Ban...
Article
Here, we demonstrate that MOFs, nanoporous crystalline compounds, provide an excellent basis for the development of photoresist materials. The huge flexibility of the MOF chemistry allowed for different variants of photolithography based on the post-synthesis modification (PSM) of the MOF materials. Here, two particular and popular PSM-strategies w...
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We report the fabrication of monolithic dielectric mirrors by stacking layers of metal-organic frameworks (MOFs) and indium tin oxide (ITO). Such Hybrid Photonic Band-Gap (PBG) Materials exhibit high optical quality (reflectivities of 80 %) and are colour tuneable over the whole visible range. While the ITO deposition is accomplished by using a con...
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Oriented circular dichroism (OCD) is explored and successfully applied to investigate chiral surface-anchored metal-organic frameworks (SURMOFs) based on camphoric acid (D- and Lcam) with the composition [Cu2 (Dcam)2x (Lcam)2-2x (dabco)]n (dabco=1,4-diazabicyclo-[2.2.2]-octane). The three-dimensional chiral SURMOFs with high-quality orientation wer...
Article
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Crystalline, highly orientated surface-anchored MOF thin films, grown on Au substrates, were prepared using liquid-phase epitaxy (LPE). The successful loading of La(3+) ions into the Cu3(BTC)2 (HKUST-1) SURMOFs (surface-mounted metal-organic frameworks) was monitored using X-ray diffraction (XRD). Theoretical calculations using classical force-fiel...
Article
We demonstrate the realization of hierarchically organized MOF (metal-organic framework) multilayer systems with pronounced differences in the size of the nanoscale pores. Unusually large values for the lattice constant mismatch at the MOF-MOF heterojunctions are made possible by a particular liquid-phase epitaxy process. The multi-heteroepitaxy is...
Article
We report the fabrication of 3D, highly porous, covalently bound polymer films of homogeneous thickness. These surface-bound gels combine the advantages of metal-organic framework (MOF) materials, namely, the enormous flexibility and the large size of the maximum pore structures and, in particular, the possibility to grow them epitaxially on modifi...
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Full-text available
In this work, we demonstrate that strain-promoted azide-alkyne cycloaddition (SPAAC) yields virtually complete conversion in the context of the post synthetic modification (PSM) of metal-organic frameworks. We use surface-anchored metal-organic framework (MOF) thin films (SURMOFs), [Zn2(N3-bdc)2(dabco)], grown on modified Au- substrates using liqui...
Article
Full-text available
Flexible in many aspects: inkjet printing of metal-organic frameworks (MOFs) permits their larger area, high-resolution deposition in any desired pattern, even in the form of gradients or shades. When flexible substrates are used, many applications can be envisioned, such as sensing and capture of hazardous gases for personal safety measures.
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Full-text available
We determine the optical constants of two highly porous, crystalline metal-organic frameworks (MOFs). Since it is problematic to determine the optical constants for the standard powder modification of these porous solids, we instead use surface-anchored metal-organic frameworks (SURMOFs). These MOF thin films are grown using liquid phase epitaxy (L...
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Full-text available
Surface-enhanced Raman spectroscopy (SERS) benefits from the enhanced electromagnetic field of the localized surface plasmon resonance effect of metallic (especially coinage metals) nanoparticles or nanostructures. The detection sensitivity and reproducibility of SERS measurement appear to be the two critical issues in SERS. To solve the problem as...
Article
A monolithic, electrochemically highly efficient Re-based metal-organic framework (MOF) thin film has been deposited onto a conductive FTO electrode by liquid-phase epitaxy. The X-ray diffraction (XRD) reveal the presence of a highly oriented films grown exclusively along the [001] direction. This epitaxially-grown SURMOF exhibits an extremely high...
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Full-text available
A novel class of metal organic frameworks (MOFs) has been synthesized from Cu-acetate and dicarboxylic acids using liquid phase epitaxy. The SURMOF-2 isoreticular series exhibits P4 symmetry, for the longest linker a channel-size of 3 × 3 nm(2) is obtained, one of the largest values reported for any MOF so far. High quality, ab-initio electronic st...
Data
Full-text available
A novel series of isoreticular metal organic frameworks:
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The liquid phase epitaxy (LPE) of the metal-organic framework (MOF) HKUST-1 has been studied for three different COOH-terminated templating organic surfaces prepared by the adsorption of self-assembled monolayers (SAMs) on gold substrates. Three different SAMs were used, mercaptohexadecanoic acid (MHDA), 4'-carboxyterphenyl-4-methanethiol (TPMTA) a...
Article
As indicated by nearly perfect XRD data, but challenged by a two-signal IR spectrum of CO guest molecules, it is confirmed by computer simulations and XPS experiments that the most defect-free SURMOFs contain about 4% defective Cu sites.
Article
Full-text available
Palladium nanoparticles have been deposited electrochemically onto self-assembled monolayers (SAMs) of 4-(4-(4-pyridyl)phenyl)phenylmethanethiol. A pronounced correlation between the kinetics of the complexation between pyridine nitrogens and Pd cations and the sample potential has been observed. The amount of the Pd deposit significantly increases...
Article
Stuck on you: Preferred (110) and (001) orientation of enantiopure [{Zn 2((+)cam) 2(dabco)} n] ((+)cam=(1R,3S)-(+)- camphoric acid, dabco=1,4-diazabicyclo(2.2.2)octane) thin films can be controlled by carboxylate and pyridyl groups on self-assembled monolayers (SAMs). With a quartz crystal microbalance, the enantioselective adsorption of enantiomer...
Article
The integration of metal-organic frameworks (MOFs) into devices, such as sensors, requires that the MOF is bound to a substrate to give a surface-attached metal-organic framework (SURMOF). In their Communication (DOI: 10.1002/anie.201104240 R. A. Fischer, C. Wöll, and co-workers describe the liquid-phase epitaxial growth of a MOF with camphorate as...
Article
Full-text available
The applications and potentials of thin film coatings of metal-organic frameworks (MOFs) supported on various substrates are discussed in this critical review. Because the demand for fabricating such porous coatings is rather obvious, in the past years several synthesis schemes have been developed for the preparation of thin porous MOF films. Inter...
Article
Full-text available
Self-assembled monolayers (SAMs) fabricated on Au(111) substrates from a homologous series of pyridine-terminated organothiols have been investigated using ultra high vacuum infrared reflection adsorption spectroscopy (UHV-IRRAS), X-ray photoelectron spectroscopy (XPS), scanning tunnelling microscopy (STM) and near-edge X-ray absorption fine struct...
Article
A homologous series of pyridine-terminated organic disulfides has been used to prepare self-assembled monolayers (SAMs) of the corresponding thiolates on Au substrates. A characterization using IR-spectroscopy reveals surprisingly large differences between the members of the homologous series. We find a strong evidence for partial protonation of th...
Article
In this communication, gold nanoparticles with a tadpole shape were synthesized by a simple aqueous-phase chemical method. The unusual three-dimensional and crystallized structures were demonstrated by TEM, AFM, and HRTEM methods. The SEM and UV-visible absorption measurements and electrophoresis experiments revealed that the tadpoles had novel opt...
Article
The films of gamma-aminopropyltrimethoxysilane (gamma-APS) on iron electrode surfaces were studied. The silane films were characterized by in-situ Surface-Enhanced Raman Spectroscopy (SERS). It has been found that the potential-dependent Surface-enhanced Raman Spectroscopy are useful for diagnosing the formation and structure of gamma-APS moieties...

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