A5100376870- Advanced Polymer Synthesis and Characterization
- Polymer Surface Interaction Studies
- Conducting polymers and applications
- Graphene and Nanomaterials Applications
- Graphene research and applications
- Advancements in Battery Materials
- Synthesis and properties of polymers
- Advanced Battery Materials and Technologies
- Covalent Organic Framework Applications
- Synthetic Organic Chemistry Methods
- Luminescence and Fluorescent Materials
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Supramolecular Chemistry and Complexes
- Molecular Sensors and Ion Detection
- Thermochemical Biomass Conversion Processes
- Organic Electronics and Photovoltaics
- Porphyrin and Phthalocyanine Chemistry
- Surfactants and Colloidal Systems
- biodegradable polymer synthesis and properties
- Dendrimers and Hyperbranched Polymers
- Nanoplatforms for cancer theranostics
- Surface Modification and Superhydrophobicity
- Carbon Nanotubes in Composites
- Metal and Thin Film Mechanics
Chinese Academy of Sciences
2015-2025
Beijing National Laboratory for Molecular Sciences
2010-2025
University of Chinese Academy of Sciences
2007-2025
Shanghai Institute of Organic Chemistry
2015-2024
Lanzhou Jiaotong University
2022-2024
Lanzhou Institute of Chemical Physics
2024
North China Electric Power University
2023-2024
General Research Institute for Nonferrous Metals (China)
2024
State Key Laboratory of Nonferrous Metals and Processes
2024
China Electric Power Research Institute
2023-2024
A high conductive 2D COF polyporphyrin (TThPP) linked by 4-thiophenephenyl groups was synthesized through an in situ chemical oxidative polymerization on the surface of copper foil. The TThPP films were used as anode lithium-ion battery, which exhibited specific capacities, excellent rate performances, and long cycle lives due to alignment nanosheets, they (i) can highly efficiently adsorb Li atoms, (ii) have short-ended paths for fast lithium ion diffusion, (iii) open nanopores holding...
Graphene oxide (GO), a novel 2D nanomaterial prepared by the oxidation of natural graphite, has been paid much attention in area drug delivery due to good biocompatibility and low toxicity. In present work, 6-armed poly(ethylene glycol) was covalently introduced into surface GO sheets via facile amidation process under mild conditions, making modified GO, GO-PEG (PEG: 65 wt %, size: 50–200 nm), stable biocompatible physiological solution. This nanosized found be nontoxic human lung cancer...
Few layer COFs was incorporated with rGO to provide composite cathode materials improved energy storage capability.
Covalent organic frameworks (COFs) have emerged as a new class of cathode materials for energy storage in recent years. However, they are limited to two-dimensional (2D) or three-dimensional (3D) framework structures. Herein, this work reports designed synthesis redox-active one-dimensional (1D) COF and its composites with 1D carbon nanotubes (CNTs) via situ growth. Used Li-ion batteries, the COF@CNT unique dendritic core-shell structure can provide abundant easily accessible sites, which...
Abstract The pathological lesions induced by multiwalled carbon nanotubes (MWCNTs) in bronchi and alveoli of mice were studied intratracheal instillation inhalation. In groups, the dose was 0.05 mg MWCNTs/mouse. Similar size clumps MWCNTs distributed alveoli. led to inflammation lining wall severe destruction alveolar netted structure around them. inhalation exposed aerosolized with mean concentration 32.61 mg/m 3 , intralung deposition roughly 0.07, 0.14, 0.21 8‐day group, 16‐day 24‐day...
An explosion approach was developed for efficiently preparing graphdiynes (GDYs) at 120 °C in air without any metal catalyst.
Due to good reactivity of fluorinated (meth)acrylates with other monomers or polymer segments, poly(meth)acrylates possess more economical and convenient synthesis routes than fluoropolymers. This feature article initially summarizes different types (meth)acrylates, which can be divided into alkyl aryl (meth)acrylates. Subsequently, various approaches for synthesizing including random, block, graft star copolymers are described. Conventional free radical polymerization used in random...
Paclitaxel (PTX) is an extensively used potent chemotherapy drug; however, low water solubility, poor bioavailability, and emergence of drug resistance in patients limited its biological application. In this report, we proposed a new delivery system for cancer therapy based on graphene oxide (GO), novel 2D nanomaterial obtained from the oxidation natural graphite, to improve utilization rate PTX. PTX was first connected biocompatible 6-armed poly(ethylene glycol), followed by covalent...
Photodynamic therapy (PDT) is a noninvasive therapeutic modality with fast healing process and little or no scarring. The production of reactive oxygen species highly dependent on concentration, thus, the efficacy PDT would be retarded by inefficient supply in hypoxic tumor cell self-consuming mechanism PDT. It well-known that perfluorocarbons are endowed properties enhanced solubility transfer capacity. Herein, we prepared series nanoplatforms spherical micelles different ratios...
We have utilized a single organic/inorganic p−n junction nanowire composed of the inorganic semiconductor cadmium sulfide (CdS) and conducting polymer polypyrrole (PPY) to successfully convert light energy into electricity. The exhibits power conversion efficiency 0.018% under an illumination intensity 6.05 mW/cm2. fundamental studies operated here will be helpful understand photoinduced energy/charge transport in interface might also serve as promising building blocks for nanoscale sources...
We describe the parallel, one-pot synthesis of core-photocleavable, poly(norbornene)-co-poly(ethylene glycol) (PEG) brush-arm star polymers (BASPs) via a route that combines "graft-through" and "arm-first" methodologies for brush polymer synthesis, respectively. In this method, ring-opening metathesis polymerization norbornene-PEG macromonomer generates small living initiators. Transfer various amounts initiator to vials containing photocleavable bis-norbornene cross-linker yielded series...
Abstract Graphene nanosheets offer intriguing electronic, thermal and mechanical properties are expected to find a variety of applications in high‐performance nanocomposite materials. The great challenge exfoliating dispersing pristine graphite or graphene sheets various solvents matrices can be achieved by facilely properly chemical functionalization the carbon nanosheets. Here we reported an efficient way functionalize with presynthesized polymer via combination atom transfer nitroxide...
Polymer-functionalized graphene sheets play an important role in graphene-containing composite materials. Herein, functionalized covalently linked with radical polymer, graphene-graft-poly(2,2,6,6-tetramethylpiperidin-1-oxyl-4-yl methacrylate) (G-g-PTMA), were prepared via surface-initiated atom transfer polymerization (SI-ATRP). A cathode G-g-PTMA as major active material and reduced oxide (RGO) conductive additive was fabricated a simple dispersing–depositing process, this exhibited...
Control of stem cell behaviors at solid biointerfaces is critical for stem-cell-based regeneration and generally achieved by engineering chemical composition, topography, stiffness. However, the influence dynamic stimuli nanoscale from on fate remains unclear. Herein, we show that electrochemical switching a polypyrrole (Ppy) array between nanotubes nanotips can alter surface adhesion, which strongly mechanotransduction activation guide differentiation mesenchymal cells (MSCs). The Ppy...
High durability of low-k value is a desired property for dielectrics serving under humid conditions, because absorbing small amount moisture by the material can considerably increase k so as to result in function deterioration. Aiming develop dielectric polymer with superior and high thermal stability, perfluorocyclobutyl (PFCB) biphenyl ether-based polyimide, PFCBBPPI, was synthesized. This possesses Tg 310.3 °C 5% weight loss temperature 510.5 °C. PFCBBBPPI exhibited an extremely low water...
Abstract Zn dendrite issue was intensively studied via tuning zinc ion flux. pH change seriously influences formation, while its importance has not been revealed. Here, we construct a N‐modification graphdiyne interface (NGI) to stabilize by mediating hydrated desolvation. Operando detection reveals stabilization NGI. This works with pores in NGI achieve dendrite‐free deposition and an increased symmetric cell lifespan 116 times. Experimental theoretical results owe desolvation reduced...
Metal-free organic electrode materials have attracted vast research attention owing to their designable structures and tunable electrochemical properties. Although n-type cathode could be used in various metal-ion batteries, p-type ones with high potential can deliver energy density. Herein, we report a new polymeric material, poly(2-vinyl-5,10-dimethyl-dihydrophenazine) (PVDMP), theoretical capacity of 227 mAh g-1 . PVDMP featuring two-step redox reaction will doped by two anions maintain...
Abstract Finding ways to produce dense and smooth perovskite films with negligible defects is vital for achieving high-efficiency solar cells (PSCs). Herein, we aim enhance the quality of through utilization a multifunctional additive in anti-solvent, strategy referred as anti-solvent engineering. Specifically, introduce ortho-substituted-4′-(4,4″-di-tert-butyl-1,1′:3′,1″-terphenyl)-graphdiyne (o-TB-GDY) an AAE additive, characterized by its sp / 2 -cohybridized highly π -conjugated...
Abstract A series of well‐defined double‐hydrophilic graft copolymers, consisting poly( N ‐isopropylacrylamide)‐ b ‐poly(ethyl acrylate) (PNIPAM‐ ‐PEA) backbone and poly(2‐(dimethylamino)ethyl (PDMAEA) side chains, were synthesized by the combination single‐electron‐transfer living radical polymerization (SET‐LRP) atom‐transfer (ATRP). PNIPAM‐ ‐PEA was first prepared sequential SET‐LRP ‐isopropylacrylamide 2‐hydroxyethyl acrylate at 25 °C using CuCl/tris(2‐(dimethylamino)ethyl)amine as...
A series of well-defined amphiphilic graft copolymers consisting hydrophilic poly(acrylic acid) backbone and hydrophobic poly(propylene oxide) side chains were synthesized by sequential reversible addition−fragmentation chain transfer (RAFT) polymerization atom nitroxide radical coupling (ATNRC) chemistry followed selective hydrolysis poly(tert-butyl acrylate) backbone. new Br- containing acrylate monomer, tert-butyl 2-((2-bromopropanoyloxy)methyl) acrylate, was first prepared, it can be...
Spin-labeled polylactide brush polymers were synthesized via ring-opening metathesis polymerization (ROMP), and nitroxide radicals incorporated at three different locations of polymers: the end middle backbone, side chains (periphery). Electron paramagnetic resonance (EPR) was used to quantitatively probe macromolecular structure in dilute solutions. The peripheral spin-labels showed significantly higher mobility than backbone labels, dimethylsulfoxide (DMSO), labels shown be more mobile...
Stimuli-responsive polymers have undoubtedly been of great interest in the past few decades due to a variety potential applications biomedical territory. Herein, we report novel dual-stimuli responsive double hydrophilic graft copolymer system, poly(acrylic acid)-g-poly(N-vinylcaprolactam) (PAA-g-PNVCL), which could respond changes pH and temperature simultaneously. In our design, acid) (PAA) was selected as pH-sensitive moiety, whereas poly(N-vinylcaprolactam) (PNVCL) be regarded...
A series of well-defined amphiphilic graft copolymers consisting a hydrophobic poly(tert-butyl acrylate) (PtBA) backbone and hydrophilic poly(N-vinylcaprolactam) (PNVCL) side chains were synthesized via the combination reversible addition–fragmentation chain transfer (RAFT) polymerization, atom radical polymerization (ATRP), grafting-from strategy without any polymeric functional transformation. RAFT homopolymerization tert-butyl 2-((2-bromopropanoyloxy)methyl)acrylate (tBBPMA) was first...