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 3 × nm2 is obtained, one largest values reported any MOF so far. High quality, ab-initio electronic structure calculations confirm stability regular packing (Cu++)2- carboxylate paddle-wheel planes with symmetry reveal, that structures are in fact metastable, fairly...

We demonstrate the realization of hierarchically organized MOF (metal-organic framework) multilayer systems with pronounced differences in size nanoscale pores. Unusually large values for lattice constant mismatch at MOF-MOF heterojunctions are made possible by a particular liquid-phase epitaxy process. The multiheteroepitaxy is demonstrated isoreticular SURMOF-2 series [ Liu et al. Sci. Rep. 2012 , 2 921 ] fabricating trilayer constants 1.12, 1.34, and 1.55 nm. Despite these (20%)...

Conjugated microporous polymers (CMPs) have attracted much interest due to their intrinsic porosity, outstanding stability, and high variability. However, the processing of these materials for membrane application has been limited insoluble nature when synthesized as bulk material. Here we report synthesis freestanding CMP-nanomembranes via layer-by-layer growth a "click" based conjugated polymer on sacrificial substrate. After dissolution substrate CMP-nanomembrane can be transferred porous...

The functionalization of inorganic and organic surfaces is becoming a key issue in vast number technical applications. present review will focus on particularly attractive route for surface via the coating substrates with ordered, highly-porous, self-assembling layers metal-organic frameworks. Loading nm-sized pores these molecular scaffolds molecules, clusters, nanoparticles creates many opportunities using flexible, three-dimensional shelf systems as storage material, developing highly...

We determine the optical constants of two highly porous, crystalline metal-organic frameworks (MOFs). Since it is problematic to for standard powder modification these porous solids, we instead use surface-anchored (SURMOFs). These MOF thin films are grown using liquid phase epitaxy (LPE) on modified silicon substrates. The produced SURMOF exhibit good properties; coatings smooth as well crack-free, they do not scatter visible light, and have a homogenous interference color over entire...

We present a new ambient temperature synthetic approach for the preparation of single-chain polymeric nanoparticles (SCNPs) under mild conditions using UV-light-triggered Diels–Alder (DA) reaction intramolecular cross-linking single polymer chains. Well-defined random copolymers with varying contents styrene (S) and 4-chloromethylstyrene (CMS) were synthesized employing nitroxide-mediated radical polymerization (NMP) initiator functionalized terminal alkyne moiety. Postpolymerization...

We report the fabrication of 3D, highly porous, covalently bound polymer films homogeneous thickness. These surface-bound gels combine advantages metal–organic framework (MOF) materials, namely, enormous flexibility and large size maximum pore structures and, in particular, possibility to grow them epitaxially on modified substrates, with those connected gel absence metal ions deposited material, a robust consisting covalent bonds, most importantly, pronounced stability under biological...

Metal-organic frameworks (MOFs) are a class of crystalline porous coordination materials, which assembled from inorganic nodes and organic linkers. Numerous applications, such as gas storage, molecule separation, catalysis, optical sensing, charge transport, benefit the outstanding properties MOF materials. More advanced e.g., in electronics optoelectronics area, demand homogeneous monolithic thin films. Recent studies demonstrated that surface-mounted MOFs (SURMOFs) well suited to fulfill...

Abstract The photocatalytic activity of TiO 2 under sunlight irradiation depends on the bandgap energy. Due to relatively low solar intensity in UV region (<10%) and fact that is usually greater than 3 eV (below 400 nm), many attempts have been made shift towards lower energies. Here, we investigate structure, chemical composition, charge transfer processes Ag@TiO core‐shell nanoparticle thin films by field emission scanning electron microscopy, atomic force XPS, UV‐Vis spectroscopy. As a...

Understanding of the electric transport through surface-anchored metal-organic frameworks (SURMOFs) is important both from a fundamental perspective as well with regards to possible future applications in electronic devices. To address this mostly unexplored subject, we integrated series representative SURMOF thin films, formed by copper nodes and trimesic acid known HKUST-1, mercury-drop-based tunneling junction. Although properties these SURMOFs are analogous those hybrid molecular wires,...

We have determined the hardness and Young's modulus of a highly porous metal-organic framework (MOF) using standard nanoindentation technique. Despite very low density these films, 1.22 g cm−3, reaches values almost 10 GPa for HKUST-1, demonstrating that this coordination polymer is substantially stiffer than normal polymers. This progress in characterizing mechanical properties MOFs has been made possible by use high quality, oriented thin films grown liquid phase epitaxy on modified Au substrates.

Tobacco mosaic virus (TMV) is a robust nanotubular nucleoprotein scaffold increasingly employed for the high density presentation of functional molecules such as peptides, fluorescent dyes and antibodies. We report on its use advantageous carrier sensor enzymes. A TMV mutant with cysteine residue exposed every coat protein (CP) subunit (TMVCys) enabled coupling bifunctional maleimide-polyethylene glycol (PEG)-biotin linkers (TMVCys/Bio). Its surface was equipped two streptavidin...

In this work, we demonstrate that strain-promoted azide–alkyne cycloaddition (SPAAC) yields virtually complete conversion in the context of post-synthetic modification (PSM) metal–organic frameworks (MOFs). We use surface-anchored MOF (SURMOF) thin films, [Zn2(N3-bdc)2(dabco)], grown on modified Au substrates using liquid-phase epitaxy (LPE) as a model system to first show that, with standard click chemistry, presently, most popular method for rendering additional functionality MOFs via PSM,...

Highly porous thin films based on a [Cu(bdc)(2)](n) (bdc = benzene-1,4-dicarboxylic acid) metal-organic framework, MOF, grown using liquid-phase epitaxy (LPE) show remarkable stability in pure water as well artificial seawater. This opens the possibility to use these highly coatings for environmental and life science applications. Here we characterize detail of SURMOF 2 under aqueous cell culture conditions. We find that material degrades only very slowly seawater (ASW) whereas typical media...

Abstract The loading of a metal‐organic framework (MOF), [Cu 3 (btc) 2 x H O] HKUST‐1, with europium β‐diketonate complexes is studied the goal to using porous molecular as photonic antenna. Whereas HKUST‐1 powder particles produced via conventional solvothermal synthesis method was strongly hindered, for SURMOFs, thin MOF films fabricated liquid phase epitaxy method, high filling factor can be achieved. optical properties HKUST‐1‐MOFs before and after were analysed aid luminescence...

Abstract Oriented circular dichroism (OCD) is explored and successfully applied to investigate chiral surface‐anchored metal–organic frameworks (SURMOFs) based on camphoric acid (D‐ Lcam) with the composition [Cu 2 (Dcam) x (Lcam) 2−2 (dabco)] n (dabco=1,4‐diazabicyclo‐[2.2.2]‐octane). The three‐dimensional SURMOFs high‐quality orientation were grown quartz glass plates by using a layer‐by‐layer liquid‐phase epitaxy method. growth orientation, as determined X‐ray diffraction (XRD), could be...

We report the precision single-chain folding of narrow dispersity diblock copolymers via pairwise orthogonal multiple hydrogen bonding motifs and single chain selected point folding. Well-defined linear polystyrene (PS) poly(n-butyl acrylate) (PnBA) carrying complementary recognition units have been synthesized activators regenerated by electron transfer/atom transfer radical polymerization (ARGET ATRP) utilizing functional initiators yielding molecular weights Mn,SEC = 10900 Da, Đ 1.09 3900...

We report the fabrication of monolithic dielectric mirrors by stacking layers metal–organic frameworks (MOFs) and indium tin oxide (ITO). Such Hybrid Photonic Band-Gap (PBG) Materials exhibit high optical quality (reflectivities 80%) are color tunable over whole visible range. While ITO deposition is accomplished using a conventional sputter process, highly porous MOF deposited liquid-phase epitaxy (LPE), therefore yielding crystalline, continuous, HKUST-1 SURMOF thin films with performance....

Abstract Metal‐organic frameworks (MOFs) exhibit a huge potential for gas separation. ZIF‐8 is an interesting candidate due to its high thermal stability and pore properties. By liquid phase epitaxy, the growth of highly oriented surface‐anchored MOF on non‐porous porous surfaces has been proven. The preparation monolithic thin films supported by α ‐Al 2 O 3 substrates modified layer Au investigated. layer‐by‐layer deposition process accomplished via dipping procedure results in formation...

Abstract We report two crystal structures of a synthetic porphyrin molecule which was programmed for self‐assembly. The same groups ensure that bacteriochlorophylls c , d and e can self‐assemble into the chlorosomal nanorods, photosynthetic antenna system some green bacteria, have been engineered desired positions tetrapyrrolic macrocycle. In case 5,15‐ meso‐ substituted anchoring groups, depending upon concentration, by using crystallization solvents, either tetragonal or layered structure...

Tobacco mosaic virus (TMV) is a tube-shaped, exceptionally stable plant virus, which among the biomolecule complexes offering most promising perspectives for nanotechnology applications. Every viral nanotube self-assembles from single RNA strand and numerous identical coat protein (CP) subunits. Here we demonstrate that biotechnologically engineered species containing TMV origin of assembly can be selectively attached to solid surfaces via one end govern bottom-up growth surface-linked...

The coating of regular-shaped, readily available nanorod biotemplates with inorganic compounds has attracted increasing interest during recent years. goal is an effective, bioinspired fabrication fiber-reinforced composites and robust, miniaturized technical devices. Major challenges in the synthesis applicable mineralized nanorods lie selectivity adjustability material deposited on biological, rod-shaped backbones, respect to thickness surface profile resulting coating, as well avoidance...