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Recently, embedding organic phosphors into the polyvinyl alcohol (PVA) matrix has emerged as a convenient strategy to obtain efficient long‐lived room temperature phosphorescence (RTP) via forming strong intermolecular hydrogen bonds with organic phosphors to minimize nonradiative relaxations. Regrettably, it is discovered that PVA is unable to trigger RTP emission when a novel functional phosphor...
High‐quality perovskite absorption layer is the fundamental basis for efficient and stable perovskite solar cells (PSCs). Due to the ionic nature of perovskite components, plentiful charged defects and suspension bonds remain on the surface of perovskite grains after continuous high‐temperature annealing. Here, the complex initiated by the introduction of a multifunctional imidazolidinyl urea (IU)...
Bone infection poses a major clinical challenge that can hinder patient recovery and exacerbate postoperative complications. This study has developed a bioactive composite scaffold through the co‐assembly and intrafibrillar mineralization of collagen fibrils and zinc oxide (ZnO) nanowires (IMC/ZnO). The IMC/ZnO exhibits bone‐like hierarchical structures and enhances capabilities for osteogenesis,...
Many existing synthetic hydrogels are inappropriate for repetitive motions because of large hysteresis, and their mechanical properties in warm and saline physiological conditions remain understudied. In this study, a stretch‐rate‐independent, hysteresis‐free, elastic, and tough nanocomposite hydrogel that can maintain its mechanical properties in phosphate‐buffered saline of 37 °C similar to warm...
Artificial solid electrolyte interphase in organic solutions is effective and facile for long‐cycling aqueous zinc ion batteries. However, the specific effects on different ionic environments have not been thoroughly investigated. Herein, pyromellitic acid (PA) are employed as organic ligand to coordinate with Zn2+ under various ionic environments. The connection between the ionic environment and...
To date, the oxidation behavior of crystal materials is not fully understood; additional research is needed to understand the oxidation of materials. Herein, density functional theory (DFT) calculations and a 3D kinetic Monte Carlo (KMC) model are used to investigate the infiltration and diffusion behaviors of oxygen atoms within the crystal. Oxygen molecules readily adsorbes on crystal surfaces of...
Despite great efforts on economical and functionalized carbon materials, their scalable applications are still restricted by the unsatisfying energy storage capability under high‐rate conditions. Herein, theoretical and methodological insights for surface‐to‐bulk engineering of multi‐heteroatom‐doped hollow porous carbon (HDPC), with subtly designed Zn(OH)F nanoarrays as the template are presented...
Oxygen evolution reaction (OER) is the half‐reaction in zinc–air batteries and water splitting. Developing highly efficient catalysts toward OER is a challenge due to the difficulty of removing four electrons from two water molecules. Covalent organic frameworks (COFs) provide the new chance to construct the highly active catalysts for OER, because they have controlled skeletons, porosities, and well‐defined...
Immunotherapy has emerged as a potent strategy in cancer treatment, with many approved drugs and modalities in the development stages. Despite its promise, immunotherapy is not without its limitations, including side effects and suboptimal efficacy. Using nanoparticles (NPs) as delivery vehicles to target immunotherapy to lymph nodes (LNs) can improve the efficacy of immunotherapy drugs and reduce...
The occurrence of osteoarthritis (OA) is highly associated with the inflammatory hypoxic microenvironment. Yet currently no attention has been paid to fabricating hypoxia‐responsive platforms for OA treatment. Herein, an injectable hydrogel microsphere system (HAM‐SA@HCQ) focusing on the hypoxic inflamed joint is prepared with methacrylate‐modified sulfonated azocalix[4]arene (SAC4A‐MA), methacrylated...
Perovskite oxides exhibit bifunctional activity for both oxygen reduction (ORR) and oxygen evolution reactions (OER), making them prime candidates for energy conversion in applications like fuel cells and metal‐air batteries. Their intrinsic catalytic prowess, combined with low‐cost, abundance, and diversity, positions them as compelling alternatives to noble metal and metal oxides catalysts. This...
Developing desirable sensors is crucial for underwater perceptions and operations. The perceiving organs of marine creatures have greatly evolved to react accurately and promptly underwater. Inspired by the fish lateral line, this study proposes a triboelectric dynamic pressure sensor for underwater perception. The biomimetic lateral line sensor (BLLS) has high sensitivity to the disturbance amplitude/frequency,...
Electrical bioadhesive interface (EBI), especially conducting polymer hydrogel (CPH)‐based EBI, exhibits promising potential applications in various fields, including biomedical devices, neural interfaces, and wearable devices. However, current fabrication techniques of CPH‐based EBI mostly focus on conventional methods such as direct casting, injection, and molding, which remains a lingering challenge...
Conjugated polymer has the potential to be applied on flexible devices as an active layer, but further investigation is still hindered by poor conductivity and mechanical stability. Here, this work demonstrates a dopant‐enhanced conductive polymer thin film and its application in dimethyl methylphosphonate (DMMP) sensor. Among five comparable polymers this work employs, poly(bisdodecylthioquaterthiophene)...
Lithium–sulfur (Li–S) batteries, which store energy through reversible redox reactions with multiple electron transfers, are seen as one of the promising energy storage systems of the future due to their outstanding advantages. However, the shuttle effect, volume expansion, low conductivity of sulfur cathodes, and uncontrollable dendrite phenomenon of the lithium anodes have hindered the further application...
The power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs) are significantly reduced by defect‐induced charge non‐radiative recombination. Also, unexpected residual strain in perovskite films leads to an unfavorable impact on the stability and efficiency of PSCs, notably flexible PSCs (f‐PSCs). Considering these problems, a thorough and effective strategy is proposed by incorporating...
Cellulose‐based triboelectric nanogenerators (TENGs) have attracted widespread attention due to the low cost and environmentally friendly characteristics of cellulose. However, achieving high electrical energy output from these generators still presents significant challenges. Here, cellulose is dissolved‐regenerated to form a composite aerogel with high specific surface area, in which cellulose‐based...
Li+ insertion‐induced structure transformation in crystalline electrodes vitally influence the energy density and cycle life of secondary lithium‐ion battery. However, the influence mechanism of structure transformation‐induced Li+ migration on the electrochemical performance of micro‐crystal materials is still unclear and the strategy to profit from such structure transformation remains exploited...
Developing well‐crystallized light‐absorbing layers remains a formidable challenge in the progression of kesterite Cu2ZnSn(S,Se)4 (CZTSSe) solar cells. A critical aspect of optimizing CZTSSe lies in accurately governing the high‐temperature selenization reaction. This process is intricate and demanding, with underlying mechanisms requiring further comprehension. This study introduces a precursor microstructure‐guided...
Electrochemical methanol oxidation reaction (MOR) is regarded as a promising pathway to obtain value‐added chemicals and drive cathodic H2 production, while the rational design of catalyst and in‐depth understanding of the structure‐activity relationship remains challenging. Herein, the ultrathin NiV‐LDH (u‐NiV‐LDH) with abundant defects is successfully synthesized, and the defect‐enriched structure...
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