Themed collection Celebrating the 75th Anniversary of the Korean Chemical Society (KCS)
Celebrating the 75th Anniversary of the Korean Chemical Society
The 52nd President of the Korean Chemical Society (2020–2021).
Machine-enabled inverse design of inorganic solid materials: promises and challenges
The grand challenge of materials science, discovery of novel materials with target properties, can be greatly accelerated by machine-learned inverse design strategies.
Mechanisms of catalytic reduction of CO2 with heme and nonheme metal complexes
This critical review discusses the thermal and photocatalytic mechanisms of one-, two-, four-, six- and eight-electron reduction of CO2 with metal complex catalysts.
Emerging plasmonic nanostructures for controlling and enhancing photoluminescence
Here, we review recent advances and provide perspectives in photoluminescence modulation and enhancement with plasmonic nanostructures.
Advances in transition metal-free deborylative transformations of gem-diborylalkanes
This article highlights recent advances on the base-promoted deborylative carbon–carbon and carbon–boron bond-forming reactions using gem-diborylalkanes as the sources of α-borylcabanions.
Proteins as diverse, efficient, and evolvable scaffolds for artificial metalloenzymes
We have extracted and categorized the desirable properties of proteins that are adapted as the scaffolds for artificial metalloenzymes.
Metal–organic complex-based chemodynamic therapy agents for cancer therapy
This feature article summarizes the recent progress in the study of chemodynamic therapy agents based on metal–organic complexes.
Cucurbit[n]uril-based amphiphiles that self-assemble into functional nanomaterials for therapeutics
In this feature article, the two types (molecular amphiphile and supramolecular amphiphile) of CB-based amphiphiles, their self-assemblies and their applications for useful nanotherapeutics and theranostics are presented with future perspectives.
Atomic layer deposition for efficient and stable perovskite solar cells
Extended understandings of perovskite solar cells by recent ALD application studies as well as challenges toward enhancing the efficiency and stability will be addressed.
Self-doped colloidal semiconductor nanocrystals with intraband transitions in steady state
The tunable bandgap energy has been recognized as a prominent feature of the colloidal semiconductor nanocrystal, also called the colloidal quantum dot (CQD).
Metal coordination and metal activation abilities of commonly unreactive chloromethanes toward metal–organic frameworks
The commonly inert chloromethanes, dichloromethane and trichloromethane, can exchange other solvents bonded at open coordination sites in metal–organic frameworks, providing a new route to activate the open coordination sites for subsequent use in applications.
Low-voltage-driven soft actuators
A key strategy for achieving high-performance polymer actuators that can be operated with a small battery is the design of polymer electrolytes.
Tracking reaction dynamics in solution by pump–probe X-ray absorption spectroscopy and X-ray liquidography (solution scattering)
TRXL and TRXAS are powerful techniques for real-time probing of structural and electronic dynamics of photoinduced reactions in solution phase.
A novel class of nonlinear optical materials based on host–guest composites: zeolites as inorganic crystalline hosts
This article summarizes the current status and future perspectives of zeolite-based second order and third order nonlinear optical materials.
Electronic effects of nano-confinement in functional organic and inorganic materials for optoelectronics
This review provides a comprehensive overview of the electronic effects of nano-confinement (from 1D to 3D geometries) on optoelectronic materials and their applications.
Revisiting imidazolium receptors for the recognition of anions: highlighted research during 2010–2019
Research developments of imidazolium receptors for anions (such as DNA, RNA, ATP, etc.) during 2010–2019 are comprehensively discussed.
The rise of metal–organic polyhedra
Metal–organic polyhedra (MOPs) are comprehensively summarized and classified based on topology, providing new directions for MOP design and forthcoming applications.
From CO2 methanation to ambitious long-chain hydrocarbons: alternative fuels paving the path to sustainability
Comprehensive insight into the thermochemical, photochemical and electrochemical reduction of CO2 to methane and long-chain hydrocarbons as alternative fuels.
Hollow nanoparticles as emerging electrocatalysts for renewable energy conversion reactions
Hollow structured nanocatalysts show a great potential as next generation electrocatalysts for future renewable and sustainable energy conversion technologies.
Fluorescent chemical probes for accurate tumor diagnosis and targeting therapy
This review focuses on small molecular ligand-targeted fluorescent imaging probes and fluorescent theranostics, including their design strategies and applications in clinical tumor treatment.
Excited-state structural relaxation and exciton delocalization dynamics in linear and cyclic π-conjugated oligothiophenes
π-Conjugated oligothiophene is considered a chain segment of its polymeric counterpart with simper excited-state dynamics and spectral signatures.
Fluorogenic reaction-based prodrug conjugates as targeted cancer theranostics
This Tutorial Review will describe various fluorogenic reaction-based prodrug strategies used for targeted theranostic drug delivery.
Hydrogen-bond promoted nucleophilic fluorination: concept, mechanism and applications in positron emission tomography
This Tutorial Review summarizes the recent breakthroughs in SN2-type nucleophilic fluorination reactions using alkali metal fluorides promoted by protic solvents, inducing excellent selectivity and high reaction rates.
Recent advances in magnetic nanoparticle-based multi-modal imaging
This tutorial review discusses the concept and up-to-date applications of magnetic nanoparticle-based multi-modal imaging.
Organic guest molecule induced ultrafast breathing of an epitaxially grown metal–organic framework on a self-assembled monolayer
Facile preparation of an epitaxial metal–organic framework thin film and its breathing behavior responding to organic solvent molecules.
Characterization of heterogeneous aryl–Pd(II)–oxo clusters as active species for C–H arylation
The surface oxidation of Pd nanoparticles with [Ph2I]BF4 resulted in the generation of Pd(II)–aryl–oxo clusters, which led to C–H arylation in high yields and regioselectivity.
Ascorbic acid-mediated reductive disassembly of Fe3+-tannic acid shells in degradable single-cell nanoencapsulation
The simple use of vitamin C leads to the reductive disassembly of the Fe3+-TA complex and in situ artificial shell degradation in single-cell nanoencapsulation.
Strapped calixpyrrole as a lithium salts selective receptor through separated ion-pair binding
A triazole-bearing strapped calixpyrrole (1) was synthesized as a lithium salt selective ion pair receptor.
Metallosupramolecules of pillar-bis-trithiacrown including a mercury(II) iodide ion-triplet complex
A combination of pillar-bis-trithiacrown and HgI2 afforded a contact ion-triplet complex in which the host encapsulates the (I−–Hg2+–I−) entity via Hg2+⋯π and C–H⋯I− interactions, reflecting geometrical complementarity.
Electropolymerization in a confined nanospace: synthesis of PEDOT nanoparticles in emulsion droplet reactors
Size controlled PEDOT nanoparticles were synthesized by confined space electrochemistry inside emulsions.
Longitudinal shape evolution of Ag2S nanoparticles from nanospheres, rhombic dodecahedrons, nanorods, to nanocubes
Longitudinal shape evolution of Ag2S nanoparticles is reported. Ag2S nanospheres turn into rhombic dodecahedrons, and sequentially converted into nanodumbbells, nanorods, and nanocubes by oriented attachements along the 〈−104〉 and 〈−110〉 planes.
Nucleophilic reactivity of a mononuclear cobalt(III)–bis(tert-butylperoxo) complex
A mononuclear cobalt(III)–bis(tert-butylperoxo) adduct (CoIII–(OOtBu)2) bearing a tetraazamacrocyclic ligand was synthesized and characterized using various physicochemical methods, such as X-ray, UV-vis, ESI-MS, EPR, and NMR analyses.
Janus amphiphilic nanoplatelets as smart colloid surfactants with complementary face-to-face interactions
A new type of colloidal surfactant that not only has a nanoscale platelet geometry, but can also induce complementary face-to-face interactions among Pickering emulsion droplets is introduced.
Molecular balloon, Pd6L8 cages: recognition of alkyl sulfate surfactants
Significant structural contraction and expansion of flexible Pd6L8 cages by encapsulation of alkyl sulfate were demonstrated. The contact angles on the fine-ground microcrystal layers shift according to the chain length of the alkyl sulfate.
A cyotosol-selective nitric oxide bomb as a new paradigm of an anticancer drug
Dual pH and redox-sensitive polymeric NO delivery micelles act as a cytosol-selective NO bomb for efficient anticancer therapy.
Synthesis of o-carborane-functionalized metal–organic frameworks through ligand exchanges for aggregation-induced emission in the solid state
o-Carborane-functionalized MOFs were successfully prepared through ligand exchanges, and the PL were drastically shifted by AIE in the solid state.
Tuning of the flexibility in metal–organic frameworks based on pendant arm macrocycles
An isostructural series of flexible MOFs based on pendant arm macrocycles was developed to tune flexibility depending on functional groups.
Tunneling and thermoelectric characteristics of N-heterocyclic carbene-based large-area molecular junctions
Tunneling and thermoelectric characteristics of NHC-based large-area junctions were demonstrated for the first time.
Synthesis of nanostructured P2-Na2/3MnO2 for high performance sodium-ion batteries
Nanostructured P2-Na2/3MnO2 prepared by a novel synthetic method delivers a high initial capacity (170 mA h g−1) with excellent rate capability.
Nanoparticulate and microporous solid acid catalysts bearing aliphatic sulfonic acids for biomass conversion
Nano-sized and microporous solid acid catalysts were developed for fructose conversion to HMF.
Unbalanced MOF-on-MOF growth for the production of a lopsided core–shell of MIL-88B@MIL-88A with mismatched cell parameters
Atypical unbalanced MOF-on-MOF growth is demonstrated for the production of a lopsided core–shell of MIL-88B@MIL-88A with mismatched cell parameters.
Incorporation of STED technique into single-molecule spectroscopy to break the concentration limit of diffusing molecules in single-molecule detection
Incorporation of STED into ALEX-FRET increases the concentration limit of single-molecule detection by 100-fold to 5 nM.
Efficient separation of C2 hydrocarbons in a permanently porous hydrogen-bonded organic framework
A microporous hydrogen-bonded organic framework HOF-BTB efficiently separates C2 hydrocarbons from C2/CH4 binary gas mixtures under dynamic mixture flow conditions.
Effect of the metal–support interaction on the activity and selectivity of methanol oxidation over Au supported on mesoporous oxides
To elucidate the factors affecting the catalytic properties of supported Au catalysts on the metal oxide support we investigated Au NPs deposited on crystallized mesoporous transition-metal oxides (m-oxides: Co3O4, NiO, and α-Fe2O3) prepared using the nanocasting method.
Unexpected halide anion binding modes in meso-bis-ethynyl picket-calixpyrroles: effects of meso-π (ethynyl) extension
meso-Ethynyl extended aryl-picket calixpyrroles 2 and 3 are designed and synthesized by directly anchoring arylethynyl groups at diametrically opposed meso-positions.
Piers’ borane-mediated hydrosilylation of epoxides and cyclic ethers
This work represents the first diarylborane-catalyzed hydrosilylation of epoxides and cyclic ethers.
Gold-catalyzed [5+2] cycloaddition of quinolinium zwitterions and allenamides as an efficient route to fused 1,4-diazepines
Herein, we demonstrate a new catalytic cycloaddition of quinolinium zwitterions involving a gold-bound allylic cation intermediate.
Regioselective C–H alkenylation of imidazoles and its application to the synthesis of unsymmetrically substituted benzimidazoles
A palladium-catalyzed C5-selective alkenylation of imidazoles has been developed and applied to the synthesis of alkenyl imidazoles and multi-substituted benzimidazoles.
An air-stable N-heterocyclic carbene iminoxyl borate radical zwitterion
The presented N-heterocyclic carbene iminoxyl borate radical zwitterion shows remarkable stability toward air, moisture, and silica gel.
A chiral aluminum solvating agent (CASA) for 1H NMR chiral analysis of alcohols at low temperature
A chiral aluminum solvating agent (CASA) was demonstrated to be a general and efficient reagent for 1H NMR chiral analysis of alcohols.
A salen–Al/carbazole dyad-based guest–host assembly: enhancement of luminescence efficiency via intramolecular energy transfer
A novel class of salen–Al/carbazole dyads was synthesized. The dyads exhibited enhanced luminescence efficiency through a significant IET process.
Arylsilylation of aryl halides using the magnetically recyclable bimetallic Pd–Pt–Fe3O4 catalyst
Transition metal-catalyzed silylations have typically involved the use of heterogeneous recyclable catalytic systems.
Control of tandem isomerizations: flow-assisted reactions of o-lithiated aryl benzyl ethers
We report a flow microreactor platform for controlling tandem isomerizations of o-lithiated aryl benzyl ethers based on precise residence time control.
Highly monodisperse supported metal nanoparticles by basic ammonium functionalization of mesopore walls for industrially relevant catalysis
A strategy for achieving a high dispersion of metal and metal oxide nanoparticles in a mono-modal fashion is developed.
Analyte-directed formation of emissive excimers for the selective detection of polyamines
A convenient and selective method for the sensing of polyamines, which are important biomarkers for cancers, has been developed. The fluorescence light-up mechanism utilizes the analyte-induced formation of emissive excimers of a sulfonated probe. Detection is achieved in aqueous media and artificial urine samples, as indicated by an excellent fluorescence turn-on signal with a large spectral shift.
Selective dual-purpose photocatalysis for simultaneous H2 evolution and mineralization of organic compounds enabled by a Cr2O3 barrier layer coated on Rh/SrTiO3
Dual-purpose photocatalysis for H2 evolution with the simultaneous degradation of organic pollutants was achieved.
Catalytic transformation of esters of 1,2-azido alcohols into α-amido ketones
The esters of 1,2-azido alcohols were transformed into α-amido ketones without external oxidants through the Ru-catalyzed formation of N–H imines with the liberation of N2 followed by intramolecular migration of the acyl moiety.
An ultrasensitive and incubation-free electrochemical immunosensor using a gold-nanocatalyst label mediating outer-sphere-reaction-philic and inner-sphere-reaction-philic species
An outer-sphere-reaction-philic and inner-sphere-reaction-philic Au-nanocatalyst label can mediate two different types of redox species.
Unambiguous characterization of anisotropic foldamer packing in a foldecture with an elongated hexagonal plate shape
We report the first complete characterization of the directional molecular packing patterns of individual foldamers within a new foldecture with a well defined hexagonal plate shape.
Efficient, symmetric oligomer hole transporting materials with different cores for high performance perovskite solar cells
This communication provides information about the study and development of the properties of novel hole transporting materials (HTMs) for perovskite solar cells. This communication describes the synthesis of three HTMs incorporating 3,4-ethylenedioxythiophene (EDOT) and 2,1,3-benzothiadiazole (BTD) cores.
The controlled synthesis of plasmonic nanoparticle clusters as efficient surface-enhanced Raman scattering platforms
Au nanoparticle clusters were prepared by fine control over the galvanic replacement of Ag nanoparticles with Au precursors.
Manual assembly of nanocrystals for enhanced photoelectrochemical efficiency of hematite film
A (012) plane oriented hematite film with secondary growth of organized microcrystals showed promising photoelectrochemical efficiency compared with a randomly oriented film.
A seed-engineering approach toward a hollow nanoreactor suitable for the confined synthesis of less-noble Ni-based nanocrystals
A hollow nanoreactor suitable for the cultivation of Ni-nanocrystals was developed through a distinct seed-engineering strategy, which involved the assembly of a catalytically active Au/Pd-heterojunction-nanocrystal inside the hollow silica nanoshell.
A novel self-assembling nanoparticle of Ag–Bi with high reactive efficiency
A novel nanoparticle of Ag–Bi shows excellent purification of contaminated water without other supplements.
High-turnover visible-light photoreduction of CO2 by a Re(I) complex stabilized on dye-sensitized TiO2
Higher photocatalytic CO2 conversion to CO with a turnover number of 435 was achieved by the ternary dye-sensitized systems comprising a dye/TiO2/Re platform.
Catalyst-mediated yet catalyst-free hydrogels formed by interfacial chemical activation
Catalyst-mediated yet catalyst-free catechol-containing adhesive hydrogels.
Fluorescent and pH-responsive
diblock copolymer-coated core–shell CdSe/ZnS particles for a color-displaying, ratiometric pH sensor
A color distinctive, ratiometric pH sensor was demonstrated using pH responsive and fluorescent (PyMMP-b-P2VP) diblock copolymer coated CdSe/ZnS QDs.
tin phosphate nanodisk anodes
Stacked porous octahedral tin phosphate Sn2P2O7 nanodisks, with a thickness and a width of 20 nm and 200 nm, respectively, were prepared from quenching hydrothermally prepared (SnHPO4)2·H2O at 600 °C. The first discharge capacity was 600 mA h g−1 while the capacity retention, even after 220 cycles, was 93%.
Mesostructured material based on [Re6Te8(CN)6]4−cluster and Mn2+: a rational synthesis of hexagonal nonoxidic mesoscale material
A new nonoxidic mesostructured material with highly ordered hexagonal symmetry has been obtained through supramolecular assembly of [Re6Te8(CN)6]4- clusters in the presence of a transition metal cation, Mn2+, with CTAB as a liquid crystal template under hydrothermal conditions.
protein– ligand interaction by guaranteeing mesospacing between immobilized biotins
The streptavidin–biotin interaction on a monolayer of a conically shaped dendrimer was investigated by surface plasmon resonance (SPR) spectroscopy and the interaction on the mesospaced surface was found to be as efficient as the one on the mixed monolayers at a lower concentration of immobilized biotin.