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Themed collection Most popular 2018-2019 materials chemistry articles

30 items
Open Access Perspective

Mechanical properties of metal–organic frameworks

As the field of metal–organic frameworks (MOFs) continues to grow, the physical stability and mechanical properties of these porous materials has become a topic of great interest.

Graphical abstract: Mechanical properties of metal–organic frameworks
Open Access Perspective

Doping engineering of conductive polymer hydrogels and their application in advanced sensor technologies

This perspective article reviews recent progress in rational synthesis of conductive polymer hydrogels utilizing doping principles and their applications in advanced sensor technologies.

Graphical abstract: Doping engineering of conductive polymer hydrogels and their application in advanced sensor technologies
Open Access Perspective

Doping strategies for small molecule organic hole-transport materials: impacts on perovskite solar cell performance and stability

Dopants for small molecule-based organic hole-transport layers impact both perovskite solar cells initial performance and long-term stability.

Graphical abstract: Doping strategies for small molecule organic hole-transport materials: impacts on perovskite solar cell performance and stability
From the themed collection: Perovskites march on
Open Access Perspective

Recent progress on exploring exceptionally high and anisotropic H+/OH ion conduction in two-dimensional materials

An overview of recent advances in measuring and understanding the exceptionally high and anisotropic H+/OH ion conductivities of representative 2D materials.

Graphical abstract: Recent progress on exploring exceptionally high and anisotropic H+/OH− ion conduction in two-dimensional materials
Open Access Minireview

Improving MOF stability: approaches and applications

This review summarizes recent advances in the design and synthesis of stable MOFs and highlights the relationships between the stability and functional applications.

Graphical abstract: Improving MOF stability: approaches and applications
Open Access Minireview

Progress and prospects for accelerating materials science with automated and autonomous workflows

Integrating automation with artificial intelligence will enable scientists to spend more time identifying important problems and communicating critical insights, accelerating discovery and development of materials for emerging and future technologies.

Graphical abstract: Progress and prospects for accelerating materials science with automated and autonomous workflows
Open Access Edge Article

The butterfly effect in bisfluorenylidene-based dihydroacenes: aggregation induced emission and spin switching

Difluorenylidene dihydroanthracene with a butterfly-like structure exhibits both aggregation induced emission (AIE) and thermally activated ground-state spin switching properties.

Graphical abstract: The butterfly effect in bisfluorenylidene-based dihydroacenes: aggregation induced emission and spin switching
Open Access Edge Article

Turn on of sky-blue thermally activated delayed fluorescence and circularly polarized luminescence (CPL) via increased torsion by a bulky carbazolophane donor

The carbazolophane (Czp) donor unit is introduced to the design pool of donors in TADF emitters.

Graphical abstract: Turn on of sky-blue thermally activated delayed fluorescence and circularly polarized luminescence (CPL) via increased torsion by a bulky carbazolophane donor
Open Access Edge Article

Facile synthesis of 1D organic–inorganic perovskite micro-belts with high water stability for sensing and photonic applications

The development of low-dimensional perovskite micro/nanostructures with high water stability for novel photonic/electronic applications is highly desirable.

Graphical abstract: Facile synthesis of 1D organic–inorganic perovskite micro-belts with high water stability for sensing and photonic applications
From the themed collection: Perovskites march on
Open Access Edge Article

Controlled growth of imine-linked two-dimensional covalent organic framework nanoparticles

Highly crystalline, monodisperse, imine-linked covalent organic framework nanoparticles were obtained under Sc(OTf)3-catalyzed conditions and enlarged by a slow monomer addition technique that prevents secondary nucleation.

Graphical abstract: Controlled growth of imine-linked two-dimensional covalent organic framework nanoparticles
Open Access Edge Article

Facile synthesis of AIEgens with wide color tunability for cellular imaging and therapy

Facile synthesis and bio-applications of a series of AIEgens with widely tunable emissions ranging from violet to near-infrared are reported.

Graphical abstract: Facile synthesis of AIEgens with wide color tunability for cellular imaging and therapy
From the themed collection: 2019 Chemical Science HOT Article Collection
Open Access Edge Article

Novel near-infrared II aggregation-induced emission dots for in vivo bioimaging

Novel biocompatible NIR-II aggregation-induced emission dots are facilely assembled and used for NIR-II biomedical fluorescence imaging.

Graphical abstract: Novel near-infrared II aggregation-induced emission dots for in vivo bioimaging
Open Access Edge Article

Cs3VO(O2)2CO3: an exceptionally thermostable carbonatoperoxovanadate with an extremely large second-harmonic generation response

A highly thermostable carbonatoperoxovanadate, Cs3VO(O2)2CO3, exhibits a remarkably strong SHG response of approximately 23.0 times that of KDP, which is the largest among those of the reported NLO carbonate materials.

Graphical abstract: Cs3VO(O2)2CO3: an exceptionally thermostable carbonatoperoxovanadate with an extremely large second-harmonic generation response
Open Access Edge Article

Boosting the thermoelectric performance of p-type heavily Cu-doped polycrystalline SnSe via inducing intensive crystal imperfections and defect phonon scattering

In this study, we, for the first time, report a high Cu solubility of 11.8% in single crystal SnSe microbelts synthesized via a facile solvothermal route.

Graphical abstract: Boosting the thermoelectric performance of p-type heavily Cu-doped polycrystalline SnSe via inducing intensive crystal imperfections and defect phonon scattering
Open Access Edge Article

Dual fluorescence of tetraphenylethylene-substituted pyrenes with aggregation-induced emission characteristics for white-light emission

This article presents a new strategy to achieve white-light emission from single tetraphenylethylene-substituted pyrenes (TPE-Pys) with aggregation-induced emission (AIE) characteristics.

Graphical abstract: Dual fluorescence of tetraphenylethylene-substituted pyrenes with aggregation-induced emission characteristics for white-light emission
Open Access Edge Article

A porous, electrically conductive hexa-zirconium(IV) metal–organic framework

Electrical conductivity is engendered in a pyrene containing hexa-zirconium(IV) metal–organic framework by physically encapsulating fullerenes within MOF cavity.

Graphical abstract: A porous, electrically conductive hexa-zirconium(iv) metal–organic framework
Open Access Edge Article

Protein surface functionalisation as a general strategy for facilitating biomimetic mineralisation of ZIF-8

The surface charge and chemistry of a protein determines its ability to facilitate biomimetic mineralisation.

Graphical abstract: Protein surface functionalisation as a general strategy for facilitating biomimetic mineralisation of ZIF-8
Open Access Edge Article

Aldehyde group driven aggregation-induced enhanced emission in naphthalimides and its application for ultradetection of hydrazine on multiple platforms

A new concept of formyl group induced ACQ to AIEE transformation is established in naphthalimide congeners. Also, ultradetection of hydrazine via Schiff base complexation over multiple platforms is presented.

Graphical abstract: Aldehyde group driven aggregation-induced enhanced emission in naphthalimides and its application for ultradetection of hydrazine on multiple platforms
Open Access Edge Article

Enantiopure distorted ribbon-shaped nanographene combining two-photon absorption-based upconversion and circularly polarized luminescence

Including defects in a ribbon-shaped nanographene leads to a new combination of optical properties: TPA-based upconversion and CPL.

Graphical abstract: Enantiopure distorted ribbon-shaped nanographene combining two-photon absorption-based upconversion and circularly polarized luminescence
Open Access Edge Article

Rational design of a water-soluble NIR AIEgen, and its application in ultrafast wash-free cellular imaging and photodynamic cancer cell ablation

The first water-soluble NIR AIEgen was synthesized and used for ultrafast wash-free cellular imaging and photodynamic cancer cell ablation.

Graphical abstract: Rational design of a water-soluble NIR AIEgen, and its application in ultrafast wash-free cellular imaging and photodynamic cancer cell ablation
Open Access Edge Article

Diketopyrrolopyrrole-based semiconducting polymer nanoparticles for in vivo second near-infrared window imaging and image-guided tumor surgery

PDFT1032, a new semiconducting polymer possessing a favorable absorption peak (1032 nm) and outstanding biocompatibility, may be widely applicable in clinical imaging and the surgical treatment of malignancy.

Graphical abstract: Diketopyrrolopyrrole-based semiconducting polymer nanoparticles for in vivo second near-infrared window imaging and image-guided tumor surgery
Open Access Edge Article

Injectable hyperbranched poly(β-amino ester) hydrogels with on-demand degradation profiles to match wound healing processes

1A series of hyperbranched poly(β-amino ester) polymers have been synthesized via a Michael addition approach for the fabrication of hydrogels for wound healing.

Graphical abstract: Injectable hyperbranched poly(β-amino ester) hydrogels with on-demand degradation profiles to match wound healing processes
Open Access Edge Article

Extraction of nickel from NiFe-LDH into Ni2P@NiFe hydroxide as a bifunctional electrocatalyst for efficient overall water splitting

Ni2P@FePOx has been synthesized via extraction and selective phosphorization of nickel in NiFe-LDH, and then conversed to a new heterostructure of Ni2P@NiFe hydroxide (P-NiFe) during water splitting. P-NiFe can act as an efficient bifunctional electrocatalyst for overall water splitting.

Graphical abstract: Extraction of nickel from NiFe-LDH into Ni2P@NiFe hydroxide as a bifunctional electrocatalyst for efficient overall water splitting
Open Access Edge Article

Molecular design to regulate the photophysical properties of multifunctional TADF emitters towards high-performance TADF-based OLEDs with EQEs up to 22.4% and small efficiency roll-offs

The photophysical properties of four new quinoxaline derivatives featuring both AIE and TADF characteristics were controlled to give high EQEs.

Graphical abstract: Molecular design to regulate the photophysical properties of multifunctional TADF emitters towards high-performance TADF-based OLEDs with EQEs up to 22.4% and small efficiency roll-offs
Open Access Edge Article

Luminescent zero-dimensional organic metal halide hybrids with near-unity quantum efficiency

Single crystalline zero-dimensional organic metal halide hybrids have been developed.

Graphical abstract: Luminescent zero-dimensional organic metal halide hybrids with near-unity quantum efficiency
Open Access Edge Article

Exciton coupling in diketopyrrolopyrrole–helicene derivatives leads to red and near-infrared circularly polarized luminescence

Helicene-bis-diketopyrrolopyrrole derivatives display strong circular dichroism and red circularly polarized emission originating from exciton coupling chirality.

Graphical abstract: Exciton coupling in diketopyrrolopyrrole–helicene derivatives leads to red and near-infrared circularly polarized luminescence
Open Access Edge Article

Unravelling the enigma of ligninOX: can the oxidation of lignin be controlled?

As societal challenges go, the development of efficient biorefineries as a means of reducing our dependence on petroleum refineries is high on the list.

Graphical abstract: Unravelling the enigma of ligninOX: can the oxidation of lignin be controlled?
Open Access Edge Article

A highly efficient double-hierarchical sulfur host for advanced lithium–sulfur batteries

A double-hierarchical sulfur host has been synthesized in which hierarchical carbon spheres, constructed from building blocks of hollow carbon nanobubbles used for loading sulfur, are sealed by a polar MoS2 coating that is composed of ultrathin nanosheets (MoS2@HCS composite).

Graphical abstract: A highly efficient double-hierarchical sulfur host for advanced lithium–sulfur batteries
Open Access Edge Article

Achieving efficient photodynamic therapy under both normoxia and hypoxia using cyclometalated Ru(II) photosensitizer through type I photochemical process

A type I Ru(II) photosensitizer retained an excellent PDT effect under hypoxia through the formation of highly-oxidative hydroxyl radicals under light irradiation.

Graphical abstract: Achieving efficient photodynamic therapy under both normoxia and hypoxia using cyclometalated Ru(ii) photosensitizer through type I photochemical process
Open Access Edge Article

Understanding the origins of metal–organic framework/polymer compatibility

The microscopic interfacial structures for a series of metal–organic frameworks (MOFs)/polymer composites consisting of the Zr-based UiO-66 coupled with different polymers are systematically explored by applying a computational methodology that integrates density functional theory calculations and force field-based molecular dynamics simulations.

Graphical abstract: Understanding the origins of metal–organic framework/polymer compatibility
30 items

About this collection

This specially curated collection pulls together some of the most popular articles from 2018 and 2019 in the field of materials chemistry. The collection presents some outstanding contributions to the field, ranging from the rational design of a water-soluble NIR AIEgen to a review of the mechanical properties of metal-organic frameworks, and as with all Chemical Science articles – they are all completely free to access and read. We hope you enjoy browsing through this collection.

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