Design and engineering of layered double hydroxide based catalysts for water depollution by advanced oxidation processes: a review
Various strategies to design LDH catalysts for advanced oxidation processes.
Vanadium-containing electro and photocatalysts for the oxygen evolution reaction: a review
This review summarizes the recent progress in vanadium-containing catalysts, including the synthesis strategies and performance in electrocatalytic and photocatalytic oxygen evolution.
Nucleation and crystal growth control for scalable solution-processed organic–inorganic hybrid perovskite solar cells
In this review, we provide an in-depth overview of perovskite film formation mechanism and highlight the important role of nucleation/crystal growth in perovskite photovoltaics by using scalable solution deposition techniques.
Design strategy of barium titanate/polyvinylidene fluoride-based nanocomposite films for high energy storage
Barium titanate/polyvinylidene fluoride- (BT/PVDF-) based nanocomposite film exhibits excellent energy storage and mechanical properties and can be used as flexible electronic components.
Surface oxidized two-dimensional antimonene nanosheets for electrochemical ammonia synthesis under ambient conditions
Few-layer antimonene nanosheets with surface oxidation have been used as an efficient nitrogen reduction reaction electrocatalyst for ammonia synthesis.
Molecular Engineering of Acceptors to Control Aggregation for Optimized Nonfullerene Solar Cells
Fluorinated solid additives enable high efficiency non-fullerene organic solar cells
Fluorinated solid additives have been designed to increase the π–π stacking of non-fullerene acceptor BTP-4F, leading to increased efficiency from 15.2% to 16.5% of PBDB-T-2F:BTP-4F binary solar cells with excellent stability.
Simple organic donors based on halogenated oligothiophenes for all small molecule solar cells with efficiency over 11%
A set of centrally halogenated oligothiophenes were developed for organic solar cells. The devices with a chlorinated donor (2Cl7T) achieved power conversion efficiencies (PCEs) of up to ca. 11.5% (vs. ca. 2.5% for non-halogenated donor DRCN7T).
Towards high rate Li metal anodes: enhanced performance at high current density in a superconcentrated ionic liquid
Application of high current density demonstrated enhanced cycling efficiency and the formation of a stable and LiF dominated SEI providing a new path to enable fast charge battery technologies.
Pressure Effects on Sulfide Electrolytes for All Solid-State Batteries
Surface oxygen-mediated ultrathin PtRuM (Ni, Fe, and Co) nanowires boosting methanol oxidation reaction
The surface-oxygen-modified ultrathin Pt62Ru18Ni20–O/C nanowires catalyst exhibits outstanding mass activity, excellent stability, and CO anti-poisoning for methanol oxidation reaction in acidic medium by DFT and electrochemical experiments.
Black BiVO4: size tailored synthesis, rich oxygen vacancies, and sodium storage performance
Size tailored black BiVO4 colloids with rich oxygen vacancies were generated via facile laser processing for high performance sodium storage.
Promoting nitrogen photofixation over a periodic WS2@TiO2 nanoporous film
WS2@TiO2 nanoporous films were fabricated by implanting WS2 nanosheets in TiO2 nanoporous films and show efficient photocatalytic N2 fixation.
An ion-in-conjugation polymer enables the detection of NO2 with parts-per-trillion sensitivity and ultrahigh selectivity
The detection of nitric dioxide (NO2) at the parts-per-trillion (ppt) level is critical for both environmental monitoring and human health.
A super-thermostable, flexible supercapacitor for ultralight and high performance devices
High-temperature operation and flexible supercapacitors are designed from graphene aerogel electrodes and IL-FSN based polymer composite electrolytes, achieving a high capacitance of 1007 F g−1 and an energy density of 1134 Wh kg−1 at 200 °C.
Electrocatalytic reduction of N2 and nitrogen-incorporation process on dopant-free defect graphene
Defect graphene was developed as an efficient electrocatalyst for the NRR and transformed from dopant-free graphene to N-doped graphene after the NRR.
Infiltrating molecular gatekeepers with coexisting molecular solubility and 3D-intrinsic porosity into a microporous polymer scaffold for gas separation
Unique macrocyclic cavities facilely infiltrated into polymer scaffolds as size-sieving molecular gatekeepers guarding non-selective micropores for ultra-efficient gas separation.
Graphene encapsulated metallic state Ce2Sn2O7 as a novel anode material for superior lithium-ion batteries and capacitors
We present a strategy to encapsulate bimetallic-based ternary (Ce2Sn2O7) nanomaterials into graphene, which served as an anode material for lithium-ion batteries/capacitors for the first time.
In situ growth of free-standing perovskite hydroxide electrocatalysts for efficient overall water splitting
Passivation Effect of Halogenated Benzylammonium as Second Spacer Cation for Improved Photovoltaic Performance of Quasi-2D Perovskite Solar Cells
Flexible and robust bimetallic covalent organic framework for reversible switching of electrocatalytic oxygen evolution activity
The role of ultra-thin MnOx co-catalysts on the photoelectrochemical properties of BiVO4 photoanodes
Thermoelectrochemical formation of Fe/Fe3C@hollow N-doped carbon in molten salts for enhanced catalysis
A low-temperature thermoelectrochemical coupling in molten salts converts Fe2O3@polydopamine to Fe/Fe3C nanoparticles encapsulated in nitrogen-doped carbon with promising catalytic capability.
A “competitive occupancy” strategy toward Co–N4 single-atom catalysts embedded in 2D TiN/rGO sheets for highly efficient and stable aromatic nitroreduction
Single-atom M–N-based catalysts have been synthesized based on the “competitive occupancy” of Ti species and Co2+ (Ni2+ etc.) on GO, and can be used as a highly active and stable hydrogenation catalyst.
Insights on the chemical and electronic interface evolution of Li4Ti5O12 cycled in Li2S-P2S5 enabled by operando X-ray photoelectron spectroscopy
Great improvement in the performance and lifetime of a fuel cell using a highly dense, well-ordered, and cone-shaped Nafion array
Great improvement in a fuel cell was achieved by constructing three fast pathways using a highly dense, well-ordered, and cone-shaped Nafion array.
In-situ growth of metal-organic frameworks derived CoTe2 nanoparticles@nitrogen-doped porous carbon polyhedral composities as novel cathodes for rechargeable aluminum-ion batteries
Unravelling the selective growth mechanism of AlOx with dimethylaluminum isopropoxide as a precursor in atomic layer deposition: a combined theoretical and experimental study
The selective encapsulation of Pt nano catalysts is achieved to maintain the durability and reactivity.
Defect-engineered zeolite porosity and accessibility
The rational use of intrinsic and chemically induced defects makes zeolite dissolution go beyond the limit set by the zeolite structure and synthesis conditions and allows the tuning of zeolite porosity and acidity at the meso- and nano-scale.
Photocatalytic hydrogen generation on low-bandgap black zirconia (ZrO2) produced by high-pressure torsion
Photocatalytic hydrogen generation on low-bandgap black ZrO2 produced by high-pressure torsion.
Polyelectrolyte complex-based self-healing, fatigue-resistant and anti-freezing hydrogels as highly sensitive ionic skins
Hydrogel-based self-healing ionic skins possess high mechanical strength, excellent resilience, anti-freezing properties and high sensitivity and can heal fatigue and mechanical damage to restore the original sensing performance.
Bimetal–MOF nanosheets as efficient bifunctional electrocatalysts for oxygen evolution and nitrogen reduction reaction
Two dimensional (2D) bimetal–MOFs (CoxFe–MOF) nanosheets have been successfully synthesized, which can simultaneously meet the requirement of both OER and NRR, thus providing the potential for coupling both OER and NRR in a full-cell configuration.
A color-tunable fluorescent pillararene coordination polymer for efficient pollutant detection
A color-tunable pillarene coordination polymer (DCP5-Eu1Tb3) with attractive white-light emission properties and capable of nitroaromatic pollutant detection in biological platforms was constructed.
Solid electrolyte interface stabilization via surface oxygen species functionalization in hard carbon for superior performance sodium-ion batteries
The solid electrolyte interface could be stabilized via surface oxygen species functionalization in hard carbon for superior performance sodium-ion batteries.
A 16.4% efficiency organic photovoltaic cell enabled using two donor polymers with their side-chains oriented differently by a ternary strategy
A ternary material system featuring two donor polymers with identical absorption spectra and differently-oriented side-chains was used in an organic photovoltaic (OPV) cell. It is the first ternary blended OPV cell with two donor polymers with >16% efficiency.
Engineering microporous ethane-trapping metal–organic frameworks for boosting ethane/ethylene separation
The pore size and low-polarity pore surface are systematically engineered within a series of C2H6-selective MOF materials for targeting high C2H6 uptake capacity, high C2H6/C2H4 selectivity and moderate C2H6 adsorption heat simultaneously.
Mixed-dimensional PdSe2/SiNWA heterostructure based photovoltaic detectors for self-driven, broadband photodetection, infrared imaging and humidity sensing
A self-driven and broadband photodetector based on PdSe2/SiNWA mixed-dimensional vdW heterojunction is fabricated, which shows a broadband spectrum from 200 nm to 4.6 μm with a high polarization sensitivity and good mid-infrared imaging capability.
Stabilization of Pt Nanoparticles at Ta2O5–TaC Binary Junction: An Effective Strategy to Achieve High Durability for Oxygen Reduction
Identifying the Anionic Redox Activity in Cation-Disordered Li1.25Nb0.25Fe0.50O2/C Oxide Cathodes for Li-Ion Batteries
Porous nanofiber composite membrane with 3D interpenetrating highways towards ultrafast and isotropic proton conduction
Suppressing lithium dendrite growth by a synergetic effect of uniform nucleation and inhibition
We report a dendrite-free Li metal anode obtained by the synergistic effect of AgPF6–LiNO3 hybrid additives in the electrolyte. The constructed symmetric cell battery shows excellent cycling lifetime for >3000 h with only slight polarization.
High-yield and in situ fabrication of high-content nitrogen-doped graphene nanoribbons@Co/CoOOH as an integrated sulfur host towards Li–S batteries
1D high-content N-doped graphene nanoribbons@Co/CoOOH is in situ fabricated in high yield as an integrated host for Li–S batteries, thanks to its exceptional electronic conductivity, strong chemical/physical adsorption and high catalytic activity.
Tailorable nanoarchitecturing of bimetallic nickel–cobalt hydrogen phosphate via the self-weaving of nanotubes for efficient oxygen evolution
This work reports the fabrication of bimetallic nickel–cobalt hydrogen phosphate with unique nanotube-assembled 1D and 2D architectures for electrocatalytic OER.
MOF-derived hierarchical CoP nanoflakes anchored on vertically erected graphene scaffolds as self-supported and flexible hosts for lithium–sulfur batteries
A self-supported and binder-free CoP@G/CC-S cathode affording high conductivity, a suppressed shuttle effect and favorable mechanical robustness enables high-performance flexible Li–S batteries for practical applications.
High-performance NIR-sensitive fused tetrathienoacene electron acceptors
Fused tetrathienoacene electron acceptors, F8IC1 and F10IC1, were synthesized and compared with thienothiophene-based F6IC. The organic solar cells based on F8IC1 and F10IC1 achieved higher efficiencies than those of the F6IC-based cells.
MXene-derived three-dimensional carbon nanotube network encapsulate CoS2 nanoparticles as an anode material for solid-state sodium-ion batteries
Solid state sodium-ion batteries (SSIBs) are promising energy storage devices due to the advanced safety and abundant natural sodium sources.
Carbon nanotube yarn based thermoelectric textiles for harvesting thermal energy and powering electronics
We explore the fabric structural effect of thermoelectric textiles on power generation and achieve high power density for practical applications.
Achieving high room-temperature thermoelectric performance in cubic AgCuTe
Average ZT of near unity provides a competitive thermoelectric conversion efficiency of ∼12% at low temperature difference of 400 K.
Amphiphilic hyperbranched polyethyleneimine for highly efficient oil–water separation
Core–shell structural amphiphilic soft matter, HPEI-g-Cn, can achieve phase separation thoroughly, in which an interfacial active-polymer layer is formed after demulsification.
A quaternary metal–metalloid–nonmetal electrocatalyst: B, P-co-doping into PdRu nanospine assemblies boosts the electrocatalytic capability toward formic acid oxidation
Quaternary PdRuBP nanospine assemblies (PdRuBP NAs) were readily synthesized and they exhibited enhanced electrocatalytic performance toward the formic acid oxidation reaction.
Towards high-volumetric performance of Na/Li-ion batteries: a better anode material with molybdenum pentachloride–graphite intercalation compounds (MoCl5–GICs)
MoCl5–GICs are demonstrated as advanced anodes for simultaneously achieving high volumetric capacity and long cycle life in Na-ion and Li-ion batteries, owing to a strong charge transfer chemical doping effect and strong interaction force between MoCl5 and graphite layers.
Plasma-etched functionalized graphene as a metal-free electrode catalyst in solid acid fuel cells
Raman G-band (a) and 2D-band (b) mapping of oxygen and nitrogen treated graphene on an Si-substrate (scale bar 5 μm).
A mesoporous carbon derived from 4,4′-dipyridyl iron as an efficient catalyst for oxygen reduction
An ultra-high performance ORR catalysts derived from 4,4′-dipyridyl.
Achieving electronic structure reconfiguration in metallic carbides for robust electrochemical water splitting
The electronic structure modification of metallic carbide is achieved by introducing dual-source transition metallic copper and cobalt atoms, thus contributing abundant active sites to afford decent water splitting performances.
Substituent effect of conjugated microporous polymers on the photocatalytic hydrogen evolution activity
The influence of substituent groups on the photocatalytic activity of conjugated microporous polymers was investigated, and a high photocatalytic hydrogen evolution rate of 18.93 mmol h−1 g−1 was achieved by PyDF with fluorine atoms.
Nano-porous hollow Li0.5La0.5TiO3 spheres and electronic structure modulation for ultra-fast H2S detection
The ultra-fast response of Li0.5La0.5TiO3 was first reported and effective modulation of the band structure further enhances the response value.
Nanoporous bimetallic Zn/Fe–N–C for efficient oxygen reduction in acidic and alkaline media
ZIF-derived nanoporous bimetallic Zn/Fe–N–C exhibits high half-wave potentials in acidic (0.81 V vs. RHE) and alkaline (0.86 V vs. RHE) media, which are comparable to those of the commercial Pt/C catalyst and ranks among the top reported electrocatalysts.
Interfacial engineering of a ZnO electron transporting layer using self-assembled monolayers for high performance and stable perovskite solar cells
The SAM layer which formed hydrogen-bonding to the methylammonium of the perovskite induced dipole moments at the interface, resulting in energy band bending and increased built-in voltage, and consequently, improved charge transfer of the PSC.
A composite solid polymer electrolyte incorporating MnO2 nanosheets with reinforced mechanical properties and electrochemical stability for lithium metal batteries
The mechanical properties and electrochemical stability of a PEO based composite solid polymer electrolyte are enhanced by adding MnO2 nanosheets.
Exploring the role of halide mixing in lead-free BZA2SnX4 two dimensional hybrid perovskites
The role of halide substitution in a lead-free 2D hybrid perovskite is studied on the BZA2SnX4 (BZA = benzylammonium; X = Cl, Br, I) system, by reporting the two novel compositions BZA2SnBr4 and BZA2SnCl4.
Covalent grafting of p-phenylenediamine molecules onto a “bubble-like” carbon surface for high performance asymmetric supercapacitors
A simple but efficient template carbonization method was prepared to covalently graft p-phenylenediamine molecule onto hollow “bubble-like” carbon spheres (PPD–BC) surface as the negative electrode for high performance asymmetric supercapacitors.
3D printing-based cellular microelectrodes for high-performance asymmetric quasi-solid-state micro-pseudocapacitors
A high-performance asymmetric quasi-solid-state micro-pseudocapacitor was fabricated using the 3D printing-enabled cellular graphene framework.
MOF-derived conductive carbon nitrides for separator-modified Li–S batteries and flexible supercapacitors
MOF-derived carbon nitride with good electrical conductivity and high nitrogen content for flexible energy storages in separator-modified Li–S batteries and wearable quasi-solid-state supercapacitor devices.
From 33% to 57% – an elevated potential of efficiency limit for indoor photovoltaics
Indoor photovoltaics is of appealing application potential given the high limiting PCE of 57%.
Hollow spherical SiO2 micro-container encapsulation of LiCl for high-performance simultaneous heat reallocation and seawater desalination
Micro hollow SiO2 spheres with LiCl encapsulated inside for high-performance simultaneous heat reallocation and seawater desalination.
Bottom-top channeling Li nucleation and growth by a gradient lithiophilic 3D conductive host for highly stable Li-metal anodes
3D gradient Si-modified carbon papers (GSCP) with good electronic conductivity and gradient lithiophilic configurations can regulate Li nucleation/growth in a bottom-up manner and endow outstanding coulombic efficiency and cyclability in full cells.
Water-stable 2-D Zr MOFs with exceptional UO22+ sorption capability
Two 2-D Zr4+ MOFs displaying microporous structures, remarkable stability, exceptional UO22+ sorption capacity and ability to sorb and immobilize UO22+ ions from various types of real-world aqueous media are reported.
A CO2 adsorption dominated carbon defect-based electrocatalyst for efficient carbon dioxide reduction
A defect-derived metal-free electrocatalyst with appropriate CO2 adsorption for efficient carbon dioxide reduction.
Electronic structure modulation of bifunctional oxygen catalysts for rechargeable Zn–air batteries
The electronic structure modulation via ruthenium doping and post oxidation treatment is an effect way to enhance the oxygen catalytic activities for rechargeable Zn–air battery.
Neighboring effect induced by V and Cr doping in FeCoP nanoarrays for the hydrogen evolution reaction with Pt-like performance
A ternary FeCoP nanoarray was used as a model catalyst to study the effect of doping 3d transition metals on its Hydrogen Evolution Reaction (HER) performance through density functional theory (DFT) and experiments.
About this collection
This on-going web collection features all the articles published in Journal of Materials Chemistry A in 2020 marked as HOT, as recommended by referees. Congratulations to all the authors whose articles are featured!