Coupled Organic–Inorganic Nanostructures with Mixed Organic Linker Molecules

2021 ◽  
Author(s):  
Florian Grassl ◽  
Aladin Ullrich ◽  
Ahmed E. Mansour ◽  
Shaimaa M. Abdalbaqi ◽  
Norbert Koch ◽  
...  
Keyword(s):  
Inorganic Nanostructures ◽  
Linker Molecules ◽  
Organic Linker

scholarly journals Synthesis, characterization, monolayer assembly and 2D lanthanide coordination of a linear terphenyl-di(propiolonitrile) linker on Ag(111)

2015 ◽  
Vol 6 ◽  
pp. 327-335 ◽  
Author(s):  
Zhi Chen ◽  
Svetlana Klyatskaya ◽  
José I Urgel ◽  
David Écija ◽  
Olaf Fuhr ◽  
...  
Keyword(s):  
Self Assembly ◽  
Local Order ◽  
X Ray Diffraction ◽  
Organic Monolayers ◽  
Coordination Numbers ◽  
Ligand Coordination ◽  
Monolayer Assembly ◽  
Adsorption Geometry ◽  
Linker Molecules ◽  
Organic Linker

As a continuation of our work employing polyphenylene-dicarbonitrile molecules and in particular the terphenyl derivative 1 (TDCN), we have synthesized a novel ditopic terphenyl-4,4"-di(propiolonitrile) (2) linker for the self-assembly of organic monolayers and metal coordination at interfaces. The structure of the organic linker 2 was confirmed by single crystal X-ray diffraction analysis (XRD). On the densely packed Ag(111) surface, the terphenyl-4,4"-di(propiolonitrile) linkers self-assemble in a regular, molecular chevron arrangement exhibiting a Moiré pattern. After the exposure of the molecular monolayer to a beam of Gd atoms, the propiolonitrile groups get readily involved in metal–ligand coordination interactions. Distinct coordination motifs evolve with coordination numbers varying between three and six for the laterally-bound Gd centers. The linker molecules retain an overall flat adsorption geometry. However, only networks with restricted local order were obtained, in marked contrast to previously employed, simpler polyphenylene-dicarbonitrile 1 linkers.

scholarly journals Optical properties of dense self-assembled gold nanoparticle layers with organic linker molecules

2003 ◽  
Author(s):  
Stefan Schelm ◽  
Geoff B. Smith ◽  
Gang Wei ◽  
Andrew Vella ◽  
Lech Wieczorek ◽  
...  
Keyword(s):  
Optical Properties ◽  
Gold Nanoparticle ◽  
Self Assembled ◽  
Linker Molecules ◽  
Organic Linker

Achieving Exciton Delocalization in Quantum Dot Aggregates Using Organic Linker Molecules

2017 ◽  
Vol 8 (5) ◽  
pp. 1014-1018 ◽  
Author(s):  
Eyal Cohen ◽  
Itay Gdor ◽  
Elisabet Romero ◽  
Shira Yochelis ◽  
Rienk van Grondelle ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Linker Molecules ◽  
Organic Linker

Biotemplated Lithography of Inorganic Nanostructures (BLIN) for Versatile Patterning of Functional Materials

2020 ◽  
Author(s):  
Petteri Piskunen ◽  
Boxuan Shen ◽  
Adrian Keller ◽  
J. Jussi Toppari ◽  
Mauri A. Kostiainen ◽  
...  
Keyword(s):  
Functional Materials ◽  
Inorganic Nanostructures

Facile fabrication of two-dimensional inorganic nanostructures and their conjugation to nanocrystals

2013 ◽  
Vol 1 (29) ◽  
pp. 4497 ◽  
Author(s):  
Seungho Cho ◽  
Ji-Wook Jang ◽  
Juwon Park ◽  
Sungwook Jung ◽  
Sanghwa Jeong ◽  
...  
Keyword(s):  
Two Dimensional ◽  
Facile Fabrication ◽  
Inorganic Nanostructures

scholarly journals Molecular bridge-mediated ultralow-power gas sensing

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
Aishwaryadev Banerjee ◽  
Shakir-Ul Haque Khan ◽  
Samuel Broadbent ◽  
Ashrafuzzaman Bulbul ◽  
Kyeong Heon Kim ◽  
...  
Keyword(s):  
Gas Sensing ◽  
Electron Tunneling ◽  
Gold Surface ◽  
Gold Electrodes ◽  
Self Assembled Monolayer ◽  
Output Resistance ◽  
Resistance Change ◽  
Ultralow Power ◽  
Linker Molecules ◽  
Molecular Bridge

AbstractWe report the electrical detection of captured gases through measurement of the quantum tunneling characteristics of gas-mediated molecular junctions formed across nanogaps. The gas-sensing nanogap device consists of a pair of vertically stacked gold electrodes separated by an insulating 6 nm spacer (~1.5 nm of sputtered α-Si and ~4.5 nm ALD SiO2), which is notched ~10 nm into the stack between the gold electrodes. The exposed gold surface is functionalized with a self-assembled monolayer (SAM) of conjugated thiol linker molecules. When the device is exposed to a target gas (1,5-diaminopentane), the SAM layer electrostatically captures the target gas molecules, forming a molecular bridge across the nanogap. The gas capture lowers the barrier potential for electron tunneling across the notched edge region, from ~5 eV to ~0.9 eV and establishes additional conducting paths for charge transport between the gold electrodes, leading to a substantial decrease in junction resistance. We demonstrated an output resistance change of >108 times upon exposure to 80 ppm diamine target gas as well as ultralow standby power consumption of <15 pW, confirming electron tunneling through molecular bridges for ultralow-power gas sensing.

scholarly journals A Structurally Variable Hinged Tetrahedron Framework from DNA Origami

2011 ◽  
Vol 2011 ◽  
pp. 1-9 ◽  
Author(s):  
David M. Smith ◽  
Verena Schüller ◽  
Carsten Forthmann ◽  
Robert Schreiber ◽  
Philip Tinnefeld ◽  
...  
Keyword(s):  
Self Assembly ◽  
Gel Electrophoresis ◽  
Imaging Techniques ◽  
Building Blocks ◽  
Dna Origami ◽  
Microscopy Technique ◽  
Wire Frame ◽  
Wide Range ◽  
Potential Applications ◽  
Linker Molecules

Nanometer-sized polyhedral wire-frame objects hold a wide range of potential applications both as structural scaffolds as well as a basis for synthetic nanocontainers. The utilization of DNA as basic building blocks for such structures allows the exploitation of bottom-up self-assembly in order to achieve molecular programmability through the pairing of complementary bases. In this work, we report on a hollow but rigid tetrahedron framework of 75 nm strut length constructed with the DNA origami method. Flexible hinges at each of their four joints provide a means for structural variability of the object. Through the opening of gaps along the struts, four variants can be created as confirmed by both gel electrophoresis and direct imaging techniques. The intrinsic site addressability provided by this technique allows the unique targeted attachment of dye and/or linker molecules at any point on the structure's surface, which we prove through the superresolution fluorescence microscopy technique DNA PAINT.

Non-linear optics of hybrid excitons in organic-inorganic nanostructures

1995 ◽  
Vol 17 (11-12) ◽  
pp. 1555-1559 ◽  
Author(s):  
G. C. La Rocca ◽  
F. Bassani ◽  
V. M. Agranovich
Keyword(s):  
Linear Optics ◽  
Non Linear Optics ◽  
Non Linear ◽  
Inorganic Nanostructures

Synthesis and Structural Characterisation of New Bifunctional o-Hydroxyacetophenones – Potential Linker Molecules for Coordinative Framework Construction

2013 ◽  
Vol 68 (3) ◽  
pp. 214-222 ◽  
Author(s):  
Jörg Hübscher ◽  
Michael Günthel ◽  
Robert Rosin ◽  
Wilhelm Seichter ◽  
Florian Mertens ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
X Ray ◽  
Structural Characterisation ◽  
Crystallographic Study ◽  
Copper Coordination ◽  
Resonance Assisted Hydrogen Bond ◽  
Intramolecular Hydrogen ◽  
Fitting In ◽  
Linker Molecules

Two new linker-type molecules 1a and 1b composed of o-hydroxyacetophenone coordinative groups attached to linear ethynylene or 1,4-phenylenediethynylene spacer units have been synthesised and structurally characterised. An X-ray crystallographic study for both compounds has shown structures with strong intramolecular hydrogen bonds fitting in the model of ‘Intramolecular Resonance Assisted Hydrogen Bond (IRHAB)’. Initial coordination experiments with Cu(II) were performed and the resulting materials characterised by PXRD. The similarity of the copper coordination between these compounds and copper(II) acetylacetonate complexes was demonstrated by XPS measurements. Based on the evidence of these studies, and on elemental analysis, the formation of the corresponding coordination polymers comprising Cu(II) and the linkers has been proposed

Decoration of Inorganic Nanostructures by Metallic Nanoparticles to Induce Fluorescence, Enhance Solubility, and Tune Band Gap

2018 ◽  
Vol 122 (12) ◽  
pp. 6748-6759 ◽  
Author(s):  
Priyadarshi Ranjan ◽  
Sreejith Shankar ◽  
Ronit Popovitz-Biro ◽  
Sidney R. Cohen ◽  
Ifat Kaplan-Ashiri ◽  
...  
Keyword(s):  
Band Gap ◽  
Metallic Nanoparticles ◽  
Inorganic Nanostructures
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