A5030839955- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Luminescence and Fluorescent Materials
- Supramolecular Chemistry and Complexes
- Covalent Organic Framework Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Supramolecular Self-Assembly in Materials
- X-ray Diffraction in Crystallography
- Advanced Photocatalysis Techniques
- Crystallization and Solubility Studies
- Synthesis and Properties of Aromatic Compounds
- Molecular Junctions and Nanostructures
- Organic Light-Emitting Diodes Research
- Molecular Sensors and Ion Detection
- Perovskite Materials and Applications
- Porphyrin and Phthalocyanine Chemistry
- Advanced biosensing and bioanalysis techniques
- Synthesis and properties of polymers
- Electrochemical sensors and biosensors
- Polyoxometalates: Synthesis and Applications
- Photochromic and Fluorescence Chemistry
- Crystallography and molecular interactions
- Advanced Polymer Synthesis and Characterization
- Graphene research and applications
- Machine Learning in Materials Science
Tongji University
2006-2025
Guizhou University
2025
Nantong University
2025
Texas A&M University
2015-2024
Tiangong University
2024
National Institute for Materials Science
2017-2024
Washington University in St. Louis
2024
North University of China
2024
Mitchell Institute
2015-2023
Beijing University of Chemical Technology
2023
The past couple of years have witnessed a remarkable burst in the development organic field-effect transistors (OFETs), with number semiconductors surpassing benchmark mobility 10 cm2/(V s). In this perspective, we highlight some major milestones along way to provide historical view OFET development, introduce integrated molecular design concepts and process engineering approaches that lead current success, identify challenges ahead make OFETs applicable real applications.
An average PCE of 4.2% for all-polymer solar cells from 20 devices with an J SC 8.8 mA cm−2 are obtained a donor-acceptor pair despite low LUMO-LUMO energy offset less than 0.1 eV. Incorporation polystyrene side chains into the donor polymer is found to assist in reducing phase separation domain length scale, and results more 20% enhancement PCE. We observe direct correlation between short circuit current (J SC) scale BHJ separation, which by resonance soft X-ray scattering. The performance...
Flexible organic-inorganic hybrids are promising thermoelectric materials to recycle waste heat in versatile formats. However, current organic/inorganic suffer from inferior properties due aggregate nanostructures. Here we demonstrate flexible where size-tunable Bi2Te3 nanoparticles discontinuously monodispersed the continuous conductive polymer phase, completely distinct traditional bi-continuous hybrids. Periodic nanofillers significantly scatter phonons while conducting phase provides...
In this work, we synthesize large-area thin films of a conjugated, imine-based, two-dimensional covalent organic framework at the solution/air interface. Thicknesses between ∼2-200 nm are achieved. Films can be transferred to any desired substrate by lifting from underneath, enabling their use as semiconducting active layer in field-effect transistors.
Fully conjugated ladder polymers (cLPs), in which all the backbone units on polymer main-chain are π-conjugated and fused, have attracted great interest owing to their intriguing properties, remarkable chemical thermal stability, potential suitability as functional organic materials. The synthesis of cLPs can be, general, achieved by two main strategies: single-step ladderization post-polymerization ladderization. Although a variety synthetic methods been developed, chemistry must contend...
Flexible and solution-printable fullerene/TiS<sub>2</sub> organic/inorganic hybrids with excellent thermoelectric properties are demonstrated.
Abstract Bone defects are encountered substantially in clinical practice, and bionic scaffolds represent a promising solution for repairing bone defects. However, it is difficult to fabricate with structures reconstruct the microenvironment fulfill satisfying repair effects. In this review article, we first discuss various strategies design construction of promote defect repair, especially including structural scaffold integration bioactive substances together application external stimuli....
3D metal–organic frameworks (MOFs) have gained attention as heterogeneous photocatalysts due to their porosity and unique host–guest interactions. Despite potential, MOFs face challenges, such inefficient mass transport limited light penetration in photoinduced energy transfer processes. Recent advancements organic photocatalysis uncovered a variety of photoactive cores, while heterogenization remains an underexplored area with great potential build MOFs. This gap is bridged by incorporating...
The synthesis of crystalline covalent organic frameworks (COFs) has in principle relied on reversible dynamic chemistry. A general method to synthesize irreversibly bonded COFs is urgently demanded for driving the COF chemistry a new era. Here we report universal two‐step straightforward amide‐linked (AmCOF) membranes by autocatalytic interfacial polymerization (AIP). Highly amide and imine bilinker (AICOF) are readily synthesized AIP strategy which ingeniously leverages generate units...
A microcantilever, coated with a monolayer of redox-controllable, bistable [3]rotaxane molecules (artificial molecular muscles), undergoes reversible deflections when subjected to alternating oxidizing and reducing electrochemical potentials. The microcantilever devices were prepared by precoating one surface gold film allowing the palindromic adsorb selectively onto side microcantilevers, utilizing thiol-gold chemistry. An cell was employed in experiments, monitored both as function (i)...
A gold nanodisk array, coated with bistable, redox-controllable [2]rotaxane molecules, when exposed to chemical oxidants and reductants, undergoes switching of its plasmonic properties reversibly. By contrast, (i) bare nanodisks (ii) disks a redox-active, but mechanically inert, control compound do not display surface-plasmon-based switching. Along calculations based on time-dependent density functional theory, these experimental observations suggest that the nanoscale movements within...
The long and the short of it: A bistable molecular muscle, based on a doubly threaded Janus-type [2]rotaxane, is assembled using template-directed self-assembly process. Under influence changes in pH value, two identical matching components glide along one another through terminal crown ether moieties, bringing about expansion contraction molecule. Supporting information for this article available WWW under http://www.wiley-vch.de/contents/jc_2002/2008/z803036_s.pdf or from author. Please...
A versatile synthetic strategy, which was conceived and employed to prepare doubly threaded, bistable [c2]daisy chain compounds, is described. Propargyl 1-pentenyl groups have been grafted onto the stoppers of molecules obtained using a template-directed protocol. Such undergo reversible extension contraction upon treatment with acid base, respectively. The dialkyne-functionalized (AA) subjected an [AA+BB] type polymerization appropriate diazide (BB) afford linear, mechanically interlocked,...
In this work, a novel version of macrocyclic arenes, namely leaning pillar[6]arenes, was discovered and it can be considered as tilted pillar[6]arene with two hydroxy/alkoxy functionalities removed. Through facile two-step synthetic approaches, in conjunction diversity post-modification possibilities, series good cavity adaptability enhanced guest-binding capability, synthesized, their self-assembly single-crystal states is presented. DFT calculations demonstrated that the lower rotational...
Developing organic photovoltaic systems that possess high efficiency, reproducibility, and low cost remains a topic of keen investigation. From molecular design perspective, developing "multicomponent" copolymerization synthetic approach could potentially afford macromolecular materials encompassing all the aforementioned desired parameters. Herein, we describe synthesis series poly(isoindigo-dithiophene)-based conjugated polymers with varying amounts weight polystyrene (PS) side chains (Mn...
Abstract Various factors affect the interfacial thermal resistance (ITR) between two materials, making ITR prediction a high-dimensional mathematical problem. Machine learning is cost-effective method to address this. Here, we report predictive models based on experimental data. The physical, chemical, and material properties of are categorized into three sets descriptors, algorithms used for models. Those descriptors assist in reducing mismatch predicted values reaching high performance...
The solution shearing method has previously been used to tune the molecular packing and crystal thin film morphology of small organic semiconductors (OSCs). Here, we study how impacts causes structural rearrangements two polymeric OSCs with interdigitated side chain packing, namely P2TDC17FT4 PBTTT-C16. conjugated backbone tilt angle polymer were changed by conditions, an accompanying change in charge carrier mobility was observed. For PBTTT-C16, out-of-plane lamellar spacing increased...
Molecular conformation and rigidity are essential factors in determining the properties of individual molecules, associated supramolecular assemblies, bulk materials. This correlation is particularly important for π-conjugated molecular macromolecular systems. Within such an molecule, a coplanar facilitates delocalization not only orbitals but also charges, excitons, spins, leading to synergistically ensembled entire conjugated system. A rigid backbone, meanwhile, imposes high energy cost...
Thermal boundary resistance (TBR) is a key property for the thermal management of high power micro- and opto-electronic devices development efficiency barrier coatings thermoelectric materials. Prediction TBR important guiding discovery interfaces with very low or TBR. In this study, we report prediction by machine learning method. We trained models using collected experimental data as training materials properties that might affect descriptors. found have much better predictive accuracy...
It is highly desirable to develop compact- and robust-film jumping robots that can withstand severe conditions. Besides, the demands for strong actuation force, large bending curvature in a short response time, good environmental tolerance are significant challenges material design. To address these challenges, this paper reports fabrication of thin-film actuator, which exhibits shrimp-shell architecture, from conjugated ladder polymer (cLP) connected by carbon nanotube (CNT) sheets. The...
The binding affinities of a cholic-acid-based fluorescent neutral receptor toward dicarboxylate anions and amino acids have been investigated in CH3OH/H2O system (1:1, 0.01 M HEPES buffer, pH = 7.4) by fluorescence titration experiments. synthetic host bearing four convergent functionalities strongly binds glutamate via multiple hydrogen bonds with constant (5.57 ± 0.88) × 106.
Weakly protected metal nanoparticles (MNPs) are used as precursors for the preparation of catenane- and pseudorotaxane-decorated NPs various compositions (gold, palladium, platinum). When attached to surface MNPs, molecular switches retain their switching abilities. The redox potentials these depend on can be regulated by composition mixed self-assembled monolayers covering MNPs.