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Birefringent crystals have important applications in optoelectronics areas due to their ability to modulate and polarize light. Despite increasing discovery of the birefringence potential of new crystals, it remains a great challenge to optimize both birefringence and bandgap simultaneously. Herein, a 1D chain‐like hybrid perovskite birefringent crystal designed by 3D‐to‐1D dimensional tailoring,...
Human gustatory system recognizes salty/sour or sweet tastants based on their different ionic or nonionic natures using two different signaling pathways. This suggests that evolution has selected this detection dualism favorably. Analogically, this work constructs herein bioinspired stimulus‐responsive hydrogels to recognize model salty/sour or sweet tastes based on two different responses, that is,...
Traditional nonlinear optical (NLO) crystals are exclusively limited to ionic crystals with π‐conjugated groups and it is a great challenge to achieve a subtle balance between second‐harmonic generation, bandgap, and birefringence for them, especially in the deep‐UV spectrum region (Eg > 6.20 eV). Herein, a non‐π‐conjugated molecular crystal, NH3BH3, which realizes such balance with a large second‐harmonic...
It is in great demand to discover new materials with large birefringence for the miniaturization of optical communication devices. In this work, a new one‐dimensional hybrid halide perovskite, (C6N10H8)Pb2Br6, is obtained successfully through structural design of dimension reduction from the notable three‐dimensional halide perovskite CsPbBr3. Remarkably, (C6N10H8)Pb2Br6 exhibits a significantly enhanced...
Ni(OH)2 nanosheet, acting as a potential active material for supercapacitors, commonly suffers from sluggish reaction kinetics and low intrinsic conductivity, which results in suboptimal energy density and long cycle life. Herein, a convenient electrochemical halogen functionalization strategy is applied for the preparation of mono/bihalogen engineered Ni(OH)2 electrode materials. The theoretical...
A primary concern about photodynamic therapy (PDT) is its inability to regulate the generation levels of reactive oxidative species (ROS) based on the complex microenvironment, resulting in the impairment toward normal tissues and immunosuppression. Besides, tumor metastasis also compromises PDT's efficacy and drives mortality. However, it is very challenging to achieve such two goals within one nanosystem...
Multifunctional nanozymes can benefit biochemical analysis via expanding sensing modes and enhancing analytical performance, but designing multifunctional nanozymes to realize the desired sensing of targets is challenging. In this work, single‐atomic iron doped carbon dots (SA Fe‐CDs) are designed and synthesized via a facile in situ pyrolysis process. The small‐sized CDs not only maintain their tunable...
Alzheimer's disease (AD), as a progressive and irreversible brain disorder, remains the most universal neurodegenerative disease. No effective therapeutic methods are established yet due to the hindrance of the blood‐brain barrier (BBB) and the complex pathological condition of AD. Therefore, a multifunctional nanocarrier (Rapa@DAK/siRNA) for AD treatment is constructed to achieve small interfering...
Cost‐effective photoanodes with remarkable electronic properties are highly demanded for practical photoelectrochemical (PEC) water splitting. The ability to manipulate the surface carrier separation and recombination is pivotal for achieving high PEC performance for water splitting. Here, a facile and economical approach is reported for substantially improving the surface charge separation property...