Shuaijun Pan

Hunan University · College of Chemistry and Chemical Engineering

Crystalline metal–organic frameworks (MOFs) have garnered extensive attention owing to their highly ordered porous structure and physicochemical properties. However, their practical application often requires their integration with various substrates, which is challenging because of their weakly adhesive nature and the diversity of substrates that...

Crystalline metal–organic frameworks (MOFs) have garnered extensive attention owing to their highly ordered porous structure and physicochemical properties. However, their practical application often requires their integration with various substrates, which is challenging because of their weakly adhesive nature and the diversity of substrates that...

Through the braidability of cotton fiber and the richness of surface functional groups, cotton fiber can be woven into any shape, and the catalytic active center can be stably anchored...

Metal–phthalocyanines are a class of catalytically active materials promising in energy conversion and storage fields (e.g., electrocatalysis). However, understanding and controlling the electrochemical properties in metal–phthalocyanine systems is challenging. Herein, we elucidate the electrocatalytic origins of a series of cobalt–phthalocyanine m...

Coordination assembly offers a versatile means to developing advanced materials for various applications. However, current strategies for assembling metal‐organic networks into nanoparticles (NPs) often face challenges such as the use of toxic organic solvents, cytotoxicity because of synthetic organic ligands, and complex synthesis procedures. Her...

Coordination assembly offers a versatile means to developing advanced materials for various applications. However, current strategies for assembling metal‐organic networks into nanoparticles (NPs) often face challenges such as the use of toxic organic solvents, cytotoxicity because of synthetic organic ligands, and complex synthesis procedures. Her...

Flexible metal‐organic materials are of growing interest owing to their ability to undergo reversible structural transformations under external stimuli. Here, we report flexible metal‐phenolic networks (MPNs) featuring stimuli‐responsive behavior to diverse solute guests. The competitive coordination of metal ions to phenolic ligands of multiple co...

Flexible metal–organic materials are of growing interest owing to their ability to undergo reversible structural transformations under external stimuli. Here, we report flexible metal‒phenolic networks (MPNs) featuring stimuli‐responsive behavior to diverse solute guests. The competitive coordination of metal ions to phenolic ligands of multiple co...

The stability and activity of electrocatalysts are fundamental in energy‐related applications (e.g., hydrogen generation and energy storage). Electrocatalysts degrade over time when the active centers are not strongly anchored to the support. However, if the active centers are too strongly anchored, the activity of the electrocatalysts decreases du...

The safe administration of thrombolytic agents is a challenge for the treatment of acute thrombosis. Lipid‐based nanoparticle drug delivery technologies present opportunities to overcome the existing clinical limitations and deliver thrombolytic therapy with enhanced therapeutic outcomes and safety. Herein, lipid cubosomes are examined as nanocarri...

Coordination states of metal‐organic materials are known to dictate their physicochemical properties and applications in various fields. However, understanding and controlling coordination sites in metal‐organic systems is challenging. Herein, we report the synthesis of site‐selective coordinated metal‐phenolic networks (MPNs) using flavonoids as c...

Coordination states of metal–organic materials are known to dictate their physicochemical properties and applications in various fields. However, understanding and controlling coordination sites in metal–organic systems is challenging. Herein, we report the synthesis of site‐selective coordinated metal–phenolic networks (MPNs) using flavonoids as c...

The rational structure and composition design of bifunctional electrocatalysts for oxygen evolution reactions (OER) and oxygen reduction reactions (ORR) is crucial for rechargeable metal–air batteries. Here, we report controlled structural transitions of metal–organic frameworks through a weak-strong competitive coordination strategy for high-perfo...

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Interfacial modular assemblies of eco‐friendly metal–phenolic networks (MPNs) are of interest for surface and materials engineering. To date, most MPNs are assembled on water‐stable substrates; however, the self‐assembly of MPNs on highly water‐soluble substrates remains unexplored. Herein, a versatile approach is reported to engineer thickness‐tun...

The integration of bioactive materials (e.g., proteins and genes) into nanoparticles holds promise in fields ranging from catalysis to biomedicine. However, it has been challenging to develop a simple and broadly applicable nanoparticle platform that can readily incorporate distinct biomacromolecules without affecting their intrinsic activity. Here...

Fluorinated motifs are promising for the engineering of repellent coatings, however, a fundamental understanding of how to effectively bind these motifs to various substrates is required to improve their stability in different use scenarios. Herein, the binding of fluorinated polyhedral oligomeric silsesquioxanes (POSS) using a cyanoacrylate glue (...

Structurally nanoengineered antimicrobial peptide polymers (SNAPPs) are an emerging class of antimicrobials against multidrug-resistant bacteria. Their encapsulation in particle carriers can improve their therapeutic efficacy by preventing peptide degradation, reducing clearance, and enhancing intracellular delivery and dosage to bacteria-infected...

The development of fluorescence labeling techniques has attracted widespread interest in various fields, including biomedical science as it can facilitate high‐resolution imaging and the spatiotemporal understanding of various biological processes. We report a supramolecular fluorescence labeling strategy using luminescent metal‐phenolic networks (...

The development of fluorescence labeling techniques has attracted widespread interest in various fields, including biomedical science as it can facilitate high‐resolution imaging and the spatiotemporal understanding of various biological processes. We herein report a supramolecular fluorescence labeling strategy using luminescent metal–phenolic net...

Supramolecular complexation is a powerful strategy for engineering materials in bulk and at interfaces. Metal–phenolic networks (MPNs), which are assembled through supramolecular complexes, have emerged as suitable candidates for surface and particle engineering owing to their diverse properties. Herein, we examine the supramolecular dynamics of MP...

Supramolecular metal–phenolic networks, consisting of metal ions coordinated with phenolic motifs, can undergo selective thermodynamic transformations into nanoporous structures, including metal–carbon networks and metal–oxide networks, with tunable network organization and surface wettability. Abstract Supramolecular complexation is a powerful st...

Poly(ethylene glycol) (PEG) is well known to endow nanoparticles (NPs) with low-fouling and stealth-like properties that can reduce immune system clearance in vivo, making PEG-based NPs (particularly sub-100 nm) of interest for diverse biomedical applications. However, the preparation of sub-100 nm PEG NPs with controllable size and morphology is c...

Engineering coatings with precise physicochemical properties allows for control over the interface of a material and its interactions with the surrounding environment. However, assembling coatings with well‐defined properties on different material classes remains a challenge. Herein, we report a co‐assembly strategy to precisely control the structu...

Coatings and thin films of amino‐quinone networks are prepared on various materials by a co‐assembly strategy using quinones and polyamines. Using different building blocks affords precise control over the structures and properties of the coatings, which can serve as multifunctional reaction platforms to synthesize nanoparticles on surfaces. Abstr...

We report a facile strategy for engineering diverse particles based on the supramolecular assembly of natural polyphenols and a self-polymerizable aromatic dithiol. In aqueous conditions, uniform and size-tunable supramolecular particles are assembled through π–π interactions as mediated by polyphenols. Owing to the high binding affinity of phenoli...

This work demonstrates the synthesis of poly(ω-pentadecalactone-co-δ-valeroLactone) with high molecular weight (Mn=71.3 kDa) and low polydispersity (Đ=1.67) within 6 hours by lipase (Novozyme-435) catalyzed using reactive extrusion process. ω-Pentadecalacton is...

Particle‐based pulmonary delivery has great potential for delivering inhalable therapeutics for local or systemic applications. The design of particles with enhanced aerodynamic properties can improve lung distribution and deposition, and hence the efficacy of encapsulated inhaled drugs. This study describes the nanoengineering and nebulization of...

Mesoporous metal-organic networks have attracted widespread interest owing to their potential applications in diverse fields including gas storage, separations, catalysis, and drug delivery. Despite recent advances, the synthesis of metal-organic networks with large and ordered mesochannels (>20 nm), which are important for loading, separating, and...

Ordered mesoporous metal–phenolic network particles (meso-MPN particles) are synthesized by replicating polymer cubosomes with supramolecular coordination complexes made from metal ions and phenolic ligands. The large pores and phenolic groups in the meso-MPN particles enable a high loading of diverse proteins for various applications.

Functional coatings are of considerable interest because of their fundamental implications for interfacial assembly and promise for numerous applications. Universally adherent materials have recently emerged as versatile functional coatings; however, such coatings are generally limited to catechol, (ortho‐diphenol)‐containing molecules, as building...

Das Repertoire der Metall‐Phenol‐Netzwerke wird durch eine enzymatisch vermittelte Assemblierung erweitert, bei der Monophenole in catechinhaltige Moleküle umgewandelt und durch Metallionen vernetzt werden. Diese Strategie bewahrt die Funktionalität der Monophenolvorläufer und verleiht den Netzwerken gleichzeitig Vorteile catecholhaltiger Moleküle...

The manipulation of interfacial properties has broad implications for the development of high‐performance coatings. Metal–phenolic networks (MPNs) are an emerging class of responsive, adherent materials. Herein, host–guest chemistry is integrated with MPNs to modulate their surface chemistry and interfacial properties. Macrocyclic cyclodextrins (ho...

Gut vernetzt: Die Synthese phenolischer Wirtbausteine aus makrocyclischen Wirtringen und koordinierenden Phenolfunktionen ermöglicht den raschen Aufbau adhärierender konformer Metall‐Phenolnetzwerk‐Beschichtungen auf unterschiedlichen Substraten mit modularen und einstellbaren Grenzflächeneigenschaften mithilfe von Wirt‐Gast‐Chemie. Abstract The m...

Droplet bouncing on repellent solid surfaces (e.g., the lotus leaf effect) is a common phenomenon that has aroused interest in various fields. However, the scenario of a droplet bouncing off another droplet (either identical or distinct chemical composition) while moving on a solid material (i.e., ricocheting droplets, droplet billiards) is scarcel...

The tunable growth of metal–organic materials has implications for engineering particles and surfaces for diverse applications. Specifically, controlling the self‐assembly of metal–phenolic networks (MPNs), an emerging class of metal–organic materials, is challenging, as previous studies suggest that growth often terminates through kinetic trapping...

Kinetische Assemblierung ist eine effiziente Methode für das schnelle und kontinuierliche Wachstum Metall-phenolischer Netzwerkmaterialien. Unter Verwendung reaktiver Sauerstoffspezies wuchsen die Schichten etwa 30-mal schneller als mit bislang eingesetzten Methoden. Zudem weisen die Folien einzigartige Mikrostrukturen und kontinuierliche Filmgradi...

High-performance coatings that durably and fully repel liquids are of interest for fundamental research and practical applications. Such coatings should allow for droplet beading, roll off and bouncing, which is difficult to achieve for ultralow surface tension liquids. Here we report a bottom-up approach to prepare super-repellent coatings using a...

A complete circulation is formed by a series of functional surfaces, and these surfaces demonstrate excellent performances, namely, mutually duplicated, directional collection of particles from suspension or air, novel stamens-like structures with controlled wettability, and effective fog harvesting. Furthermore, the circulation benefits the recycl...

This work describes an interesting morphological control of the microstructures of photoactive spiropyrans. These microstructures exhibit reversible photoisomerization in solid state under different light irradiation. To observe morphological changes intuitively caused by volume expansion of spiropyrans, a special film is synthesized with inverse c...

Dynamically tuning the surface wettability has long been a scientific challenge but of great importance in surface science. Robust superhydrophobic surfaces, displaying switchable and tunable extreme wetting behaviors, are successfully developed by spraying photo-responsive hydrophobic nanoparticles onto various substrates. The surface wettability...

Surface composite Cassie-Baxter wetting state is carefully investigated using ginkgo biloba as natural model, for the first time, into two directions ‒ (a) low local solid contact areal fraction leading to high apparent contact angles and (b) thick air plastron trapped at the contacting interface leading to stable dewetting state.

Superomniphobic surfaces display contact angles > 150° and low contact angle hysteresis with essentially all contacting liquids. In this work, we report surfaces that display superomniphobicity with a range of different non-Newtonian liquids, in addition to super-omniphobicity with a wide range of Newtonian liquids. Our surfaces possess hierarchica...

Here we reported a facile method that combined sol–gel and surface-initiated atom transfer radical polymerization (ATRP) to prepare thermo-responsive superhydrophobic TiO2/poly(N-isopropylacrylamide) microspheres with core–shell structure. The surface coated with microspheres show hydrophilic properties (CA = 90.5 ± 2.3°) at 27 °C, it changes to su...

A photoresponsive fluorinated azobenzene homopolymer is synthesized via TERP. UV irradiation of the surface based on a fluorinated azobenzene homopolymer with micro/nanostructures induces a tunable/switchable water droplet mobility. Water droplets can easily roll off the pristine surface at a small tilt angle (14 degrees). The apparent water CA cha...

AbstractA novel phosphorous‐nitrogen structure containing intumescent flame retardant, 4,4‐diaminodiphenyl methane bi(2,2‐dimethyl‐1,3‐propanediol) phosphoramidate (DBDPP) was synthesized and characterized. Thermal stability and flammability properties of ethylene vinyl‐acetate copolymer rubber(EVM)/DBDPP composites were investigated by thermogravi...

Solvent evaporation-induced self-assembly was adopted to prepare regular aggregates. This process included two steps. Firstly, the amphiphilic polystyrene-block-poly (acrylic acid) (PS-b-PAA) micelles which were synthesized via atom transfer radical polymerization (ATRP) self-assembled into cubic nanomicelles in THF/water mixed solution. Secondly,...

A coumarin-driven switchable superhydrophobic silica surface by photochemistry is fabricated and Wenzel–Cassie wetting transition occurs on the surface under UV light (365 nm, 254 nm) irradiation. In addition, the as-prepared sample changes from random nanoparticle aggregates to necklaces (rings) through altering UV light irradiation.

In this article, cauliflower-like particulates with hierarchical structures were fabricated for the first time using the high reactivity of isocyanate groups. It is convenient to control the size of hierarchical particulates and to tune surface roughness by adjusting the reaction time. Dual-sized surface roughness, which biomimics the surface topog...

Inorganic–organic hybrid proton exchange membranes were prepared via sol–gel reaction of N-(2-aminoethyl)-3-aminopropyl-trimethoxysilane (AAS) in a sulfuric or phosphoric acid aqueous solution. The chemical structures of these membranes are characterized by means of Fourier transform infrared (FTIR) and 29Si cross polarization nuclear magnetic reso...