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The rapidly developed metal halide perovskite light‐emitting diodes (PeLEDs) are considered as a promising candidate for next‐generation display and illumination, but the unbalanced charge transport is still a hard‐treat case to restrict its efficiency and operational stability. Here, a high curvature PEDOT:PSS transport layer is demonstrated via the self‐assembly island‐like structures by the incorporation...
Porphyrin‐based antibacterial photodynamic therapy (aPDT) has found widespread applications in treating periodontitis. However, its clinical use is limited by poor energy absorption, resulting in limited reactive oxygen species (ROS) generation. To overcome this challenge, a novel Z‐scheme heterostructured nanocomposite of Bi2S3/Cu‐TCPP is developed. This nanocomposite exhibits highly efficient light...
The oriented growth of β‐Ga2O3 films has triggered extensive interest due to the remarkable and complex anisotropy found in the β‐Ga2O3 bulks. Remarkable properties, including stronger solar‐blind ultraviolet (SBUV) absorption, better mobility, and higher thermal conductivity, are usually observed along <010> direction as compared to other low‐index axes. So far, <010>‐oriented β‐Ga2O3...
In this work, it is reported that large‐area (centimeter‐scale) arrays of non‐close‐packed polystyrene‐tethered gold nanorod (AuNR@PS) can be prepared through a liquid–liquid interfacial assembly method. Most importantly, the orientation of AuNRs in the arrays can be controlled by changing the intensity and direction of electric field applied in the solvent annealing process. The interparticle distance...
In situ fabrication of macroscale ordered monolayers of nanoparticles (NPs) on targeted substrates is highly desirable for precision electronic and optical devices, while it remains a great challenge. In this study, a solution is provided to address this challenge by developing a colloidal ink formulation and employing the direct‐ink‐writing (DIW) technique, where on‐demand delivery of ink at a targeted...
Although anticancer vaccines have achieved certain effects in early clinical practice, T cell immunity as the most common responsive pattern of anticancer vaccines is still limited by unsatisfied tumor recognition and inhibition efficiency. As the critical step of T cell immunity, uptake and presentation of specific antigen by antigen‐presenting cells (APC) can be activated by inflammation for enhancing...
MXenes have exhibited potential for application in flexible devices owing to their remarkable electronic, optical, and mechanical properties. Printing strategies have emerged as a facile route for additive manufacturing of MXene‐based devices, which relies on the rational design of functional inks with appropriate rheological properties. Herein, aqueous MXene/xanthan gum hybrid inks with tunable viscosity,...
It has been thought that water is detrimental to perovskites, causing degeneration due to their ionic structures. In article number 1901994, Wen Li, Wei Yan, Weiqing Yang, and co‐workers unexpectedly find that 3D all‐inorganic perovskites are exfoliated by water molecules and transformed into more intrinsic stable quasi‐2D nanosheets in complete water conditions instead of leading to decomposition...
All‐inorganic cesium lead halide perovskite nanocrystals (NCs) have emerged as attractive optoelectronic materials due to the excellent optical and electronic properties. However, their environmental stability, especially in the presence of water, is still a significant challenge for their further commercialization. Here, ultrahigh intrinsically water‐stable all‐inorganic quasi‐2D CsPbBr3 nanosheets...
In this paper, the development of organic field‐effect transistor (OFET) memory device based on isolated and ordered nanostructures (NSs) arrays of wide‐bandgap (WBG) small‐molecule organic semiconductor material [2‐(9‐(4‐(octyloxy)phenyl)‐9H‐fluoren‐2‐yl)thiophene]3 (WG3) is reported. The WG3 NSs are prepared from phase separation by spin‐coating blend solutions of WG3/trimethylolpropane (TMP), and...
Long microchannels with thin walls, small width, and nanoholes or irregular shaped microgaps, which are similar to capillaries or cancerous vessels, are urgently needed to simulate the physiological activities in human body. However, the fabrication of such channels remains challenging. Here, microchannels with designable holes are manufactured by combining laser printing with line‐contact capillary‐force...
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