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Perovskite solar cells (PSCs) with a booming high power conversion efficiency (PCE) are on their road toward industrialization. A proper design of the counter electrode (CE) with low cost, high conductivity, chemical stability, and good interface contact with the other functional layer atop the perovskite layer is vital for the overall performance of PSCs. Herein, the application of titanium nitride...
Thermochromic smart windows with rational modulation in indoor temperature and brightness draw considerable interest in reducing building energy consumption, which remains a huge challenge to meet the comfortable responsive temperature and the wide transmittance modulation range from visible to near‐infrared (NIR) light for their practical application. Herein, a novel thermochromic Ni(II) organometallic...
Biomimetic Peptoid Membranes
Co‐assembly of carbon nanotube porins into peptoid sheets creates novel precision pore membrane nanostructures. The membrane matrix is made up of peptoids, self‐assembled designed sequence polymers, while carbon nanotube porins, short fragments of carbon nanotubes inserted into the peptoid matrix, form precision pores. This new membrane could be advantageous for high‐value...
A single‐layer Cr3(HITP)2 (HITP = 2,3,6,7,10,11‐hexaiminotriphenylene) conjugated metal‐organic framework (c‐MOF) is synthesized under ultrahigh vacuum conditions by substituting Cr for Ni in Ni3(HITP)2 template. As revealed by low‐temperature scanning tunneling microscopy and scanning tunneling spectroscopy, while codeposition of Cr atoms and 2,3,6,7,10,11‐hexaaminotriphenylene precursors produces...
Robust and cost‐effective membrane‐based separations are essential to solving many global crises, such as the lack of clean water. Even though the current polymer‐based membranes are widely used for separations, their performance and precision can be enhanced by using a biomimetic membrane architecture that consists of highly permeable and selective channels embedded in a universal membrane matrix...
Broadband infrared (IR) absorption is sought after for wide range of applications. Graphene can support IR plasmonic waves tightly bound to its surface, leading to an intensified near‐field. However, the excitation of graphene plasmonic waves usually relies on resonances. Thus, it is still difficult to directly obtain both high near‐field intensity and high absorption rate in ultra‐broad IR band....
As the most successful anode material for sodium‐ion batteries, hard carbon has attracted extensive attention from researchers. However, its storage mechanism is still controversial. In this paper, a solvent co‐intercalation mechanism into hard carbon is proposed and is proved by in situ XRD and ex situ TEM XPS results successfully. Thanks to the co‐intercalation of solvent, the platform capacity...
Engineering oxygen vacancy and boosting Li2O reversibility on oxides‐based electrode are of significance but remains a challenge in high‐power lithium‐ion batteries. Herein, the heterogenous SnO2−x/Fe2O3−y nanocrystals are demonstrated with tailorable x and y values enabled by a glucose‐assisted spray combustion technique. Density functional theory calculations unveil the SnO2−x/Fe2O3 with a maximum...
Due to the tunable skeletons, variable pore environments, and predesignable structures, covalent organic frameworks (COFs) can be served as a versatile platform to tailor redox activities for efficient energy storage. Redox‐active COFs with specific functional groups can not only promote high‐speed mass transport in the permanently open channels, but also provide dense active sites for reversible...
Prevention and intervention methods are urgently needed to curb the global pandemic of coronavirus disease‐19 caused by severe acute respiratory syndrome coronavirus‐2 (SARS‐CoV‐2). Herein, a general pro‐antigen strategy for subunit vaccine development based on the reversibly formulated receptor binding domain of SARS‐CoV‐2 spike protein (S‐RBD) is reported. Since the poor lymph node targeting and...
Barcodes have attracted widespread attention, especially for the multiplexed bioassays and anti‐counterfeiting used toward medical and biomedical applications. An enabling gas‐shearing approach is presented for generating 10‐faced microspherical barcodes with precise control over the properties of each compartment. As such, the color of each compartment could be programmatically adjusted in the 10‐faced...
In article number 1902485, Chun‐Long Chen, Yuehe Lin, and co‐workers design and synthesize two types of peptoid nanotubes with precisely controlled functional groups for targeted tumor cell imaging and chem‐photodynamic therapy by co‐assembling ligand‐tagged peptoid oligomers. These nanotubes are highly robust and show a high killing efficiency toward cancer cells by combining chemotherapy and photodynamic...
Substantial progress has been made in applying nanotubes in biomedical applications such as bioimaging and drug delivery due to their unique architecture, characterized by very large internal surface areas and high aspect ratios. However, the biomedical applications of organic nanotubes, especially for those assembled from sequence‐defined molecules, are very uncommon. In this paper, the synthesis...
In article number 1803428, Jian Lin and co‐workers report the discovery of a novel self‐assembled metal protein nanoparticle, designated GST‐MT‐3, which targets the mitochondria of cancer cells within 30 min in vitro and rapidly accumulates in tumors within 1 h in vivo. The little men carrying the bombs represent GST‐MT3 protein nanoparticles loading the cobalt ions. Through the blood vessels they...
Self‐assembled protein nanoparticles have attracted much attention in biomedicine because of their biocompatibility and biodegradability. Protein nanoparticles have become widely utilized as diagnostic or therapeutic agents for various cancers. However, there are no reports that protein nanoparticles can specifically target mitochondria. This targeting is desirable, since mitochondria are critical...
The design and synthesis of biocompatible nanomaterials as cargoes for the intracellular delivery of therapeutic proteins or genes have attracted intense attention because of their potential for use in therapeutics. Despite the advances in this area, very few nanomaterials can be efficiently delivered to the cytosol. To address these challenges, crystalline nanoflower‐like particles are designed and...
Recent studies indicate that changing the physical properties of lipid bilayers may profoundly change the function of membrane proteins. Here, the effects of dissolved nitrogen and oxygen molecules on the mechanical properties and stability of lipid bilayers are investigated using differential confocal microscopy, atomic force microscopy, and molecular dynamics simulations. All experiments evidence...
In drug delivery, the poor tumor perfusion results in disappointing therapeutic efficacy. Nanomedicines for photodynamic therapy (PDT) greatly need deep tumor penetration due to short lifespan and weak diffusion of the cytotoxic reactive oxygen species (ROS). The damage of only shallow cells can easily cause invasiveness and metastasis. Moreover, even if the nanomedicines enter into deeper lesion,...
Mn‐Co‐Ni‐O nanoceramic microspheres with high density, uniformity, and size tunability are successfully fabricated using in situ ink‐jet printing and two step sintering (TSS) techniques. The microspheres, synthesized by an effective and facile reverse microemulsion method, consist of uncalcined Mn‐Co‐Ni‐O nanocrystallines that show a well formed single tetragonal spinel phase and an average particle...
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