Transition-metal sulfides (TMSs) have emerged as important candidates for oxygen evolution reaction (OER) electrocatalysts. Now a hybrid nanostructure has been decorated with CeOx nanoparticles on the surface of ZIF-67-derived hollow CoS through in situ generation. Proper control amount can achieve precise tuning Co2+ /Co3+ ratio, especially induced defects, further boosting OER activity. Meanwhile, formation protective thin layer effectively inhibits corrosion by losing cobalt ion species...

Developing convenient doping to build highly active oxygen evolution reaction (OER) electrocatalysts is a practical process for solving the energy crisis. Herein, facile and low-cost in situ self-assembly strategy preparing Ce-doped NiFe-LDH nanosheets/nanocarbon (denoted as NiFeCe-LDH/CNT, LDH = layered double hydroxide CNT carbon nanotube) hierarchical nanocomposite established enhanced OER, which novel material provides its overall advantageous structural features, including high...

By preparing biocompatible carbon dots (CDs) that act as the scaffold and fluorescence reference, a ratiometric fluorescent nanoprobe based on Tb³⁺ ions functionalized CDs was designed fabricated to detect an anthrax biomarker with high selectivity sensitivity.

The ZIF-67 derived cobalt telluride encapsulated on nitrogen-doped carbon nanotubes frameworks (CoTe₂@NCNTFs) was synthesized, which exhibits remarkable electrocatalytic performances for overall water splitting.

A one-step synthesis has been developed to fabricate layered double hydroxide microcapsules <italic>via</italic> a Ce-doping strategy in metal–organic frameworks.

Abstract Low conductivity and hole mobility in the pristine metal phthalocyanines greatly limit their application perovskite solar cells (PSCs) as hole‐transporting materials (HTMs). Here, we prepare a Ni phthalocyanine (NiPc) decorated by four methoxyethoxy units HTMs. In NiPc, two oxygen atoms peripheral substituent have modified effect on dipole direction, while central atom contributes more electron to ring, thus efficiently increasing intramolecular dipole. Calculation analyses reveal...

As a member of the liquid electrolyte family, ionic liquids (ILs) possess distinctive chemical and electrochemical stability, offering pathway to realize supercapacitors (SCs) with both outstanding energy density high safety.

ConspectusRare earth (RE) elements, due to their unique electronic structures, exhibit excellent optical, electrical, and magnetic properties thus have found widespread applications in the fields of electronics, optics, biomedicine. A significant advancement use RE elements is formation complexes. complexes, created by coordination ions with organic ligands, not only offer high molecular design flexibility but also incorporate features such as a broad absorption band efficient energy...

Abstract How to manipulate heterostructure engineering achieve high‐efficiency oxygen evolution reaction (OER) remains a significant challenge. Herein, promising OER electrocatalyst with IrNi nanoalloys (≈3.29 ± 0.12 nm) anchored on NiFe‐MOFs (IrNi@NiFe‐MOFs), exhibiting promoted phase transformation and self‐optimized dynamic interface electronic structure, via one‐step hydrothermal method is designed developed. Specifically, IrNi@NiFe‐MOFs displays excellent performance low overpotential...

Hollow bimetallic cobalt-based selenide polyhedrons M<italic>x</italic>Co_1−xSe₂ were successfully synthesized by a simple solvothermal strategy using MOFs as template. This catalyst exhibits excellent electrocatalytic performance for overall water splitting.

Rapid, sensitive, and selective quantitative detection of pyridine dicarboxylic acid (DPA) as biomarker anthrax spores is in great demand since are highly lethal to human beings animals also potential biological warfare agents. Herein, we prepared a ratiometric fluorescence lanthanide functionalized micelle nanoprobe by "one-pot" self-assembly, with an amphiphilic ligand containing β-diketone derivative which can "immobilize" terbium ions through the coordination interaction fluorophore...

A new type of convenient, environmentally friendly, and recyclable nanocatalyst (abbreviated as MgAlCe-LDH@Au) was designed successfully assembled by loading Au nanoparticles (Au NPs; ∼3 nm average diameter) on a MgAlCe-LDH support through an<italic>in situ</italic>reduction HAuCl₄by NaBH₄.

Oxygen (O2) plays a critical role during photodynamic therapy (PDT), however, hypoxia is quite common in most solid tumors, which limits the PDT efficacy and promotes tumor aggression. Here, safe multifunctional oxygen-evolving nanoplatform costructured to overcome this problem. It composed of prussian blue (PB) core chlorin e6 (Ce6) anchored periodic mesoporous organosilica (PMO) shell (denoted as PB@PMO-Ce6). In highly integrated nanoplatform, PB with catalase-like activity can catalyze...

Abstract The poor UV, thermal, and interfacial stability of perovskite solar cells (PSCs) makes it highly challenging for their technological application, has drawn increasing attention to resolving the above issues. In nature, plants generally sustain long exposure UV illumination without damage, which is attributed presence organic materials acting as sunscreens. Inspired by natural phenomenon, a plant sunscreen, sinapoyl malate, an ester derivative sinapic acid, employed modify surface...

Abstract A stimuli‐responsive lanthanide‐based smart nanocomposite has been fabricated by supramolecular assembly and applied as an active material in multidimensional memory materials. Conjugation of the lanthanide complexes with carbon dots provides a stimuli response that is based on modulation energy level ligand affords microsecond‐to‐nanosecond fluorescence lifetimes, giving rise to intriguing performance spatial temporal dimension. The present study points new direction for future...

Defects within the grain boundaries (GBs) of halide perovskite films make fabrication efficient and stable solar cells (PSCs) highly challenging. Here, a low-cost tetra-ammonium zinc phthalocyanine (ZnPc) was used to post-treat MAPbI3 (MA = CH3NH3) film. Two-dimensional (ZnPc)0.5MA n-1Pb nI3 n+1 successfully constructed GBs film achieving suture for passivating defects in GBs. Time-resolved photoluminescence showed that modification increased decay time from 44 57 ns indicating passivation...

Developing hollow self-supported nanotube arrays with hierarchical microporous and abundant multiactive sites shows great promise for oxygen evolution reaction (OER) electrocatalysis. Herein, a facile low-cost strategy of NiCo2S4 nanotubes decorated CeOx nanoparticles (NPs) assembled on flexible support carbon cloth (CC) enhanced OER performance is reported. The obtained nanoarrays CeOx/NiCo2S4/CC exhibited excellent activity toward an overpotential (270 mV) at 10 mA cm-2, relatively weak...

Abstract Transition‐metal sulfides (TMSs) have emerged as important candidates for oxygen evolution reaction (OER) electrocatalysts. Now a hybrid nanostructure has been decorated with CeO x nanoparticles on the surface of ZIF‐67‐derived hollow CoS through in situ generation. Proper control amount can achieve precise tuning Co 2+ /Co 3+ ratio, especially induced defects, further boosting OER activity. Meanwhile, formation protective thin layer effectively inhibits corrosion by losing cobalt...

Core-shell MOF-based smart nanocomposite UCNPs/MB@ZIF-8@catalase (UCNPs = upconversion nanoparticles; MB methylene blue; ZIF zeolitic imidazolate framework) has been constructed for bio-imaging and efficient NIR/H2O2-responsive photodynamic therapy against hypoxic tumor cells. The nanoporous MOF shell can prevent aggregation of photosensitizers serve as an self-sufficient oxygen gas acceptor.

Elaborately designed glucose-responsive insulin-delivery systems are highly desirable for the treatment of diabetes because it can secrete insulin depending on blood glucose levels. Herein, mimic multi-enzyme metal–organic framework (MOF)-based (insulin and oxidase-loaded cobalt-doped ZIF-8, abbreviated as Ins/GOx@Co-ZIF-8) stimuli-responsive microneedles (MNs) were painless glucose-mediated transdermal administration. In this work, GOx Co2+ ions engineered into MOFs to construct a vehicle....

Inorganic perovskite quantum dots (QDs) have attracted great scientific attention in the field of luminescent materials, but application has been limited by inferior stability that results from highly dynamic capping ligands. In this work, we use a rare-earth complex to modify QDs with ligand exchange realize functionalization; meanwhile, is greatly improved. Density functional theory calculation show adsorption energy europium higher than traditional ligands, which provides thermodynamic...