Inorganic solid electrolyte-based all-solid-state lithium-sulfur batteries (ASSLSBs) have garnered significant attention due to their inherent safety and higher energy density, making them a promising candidate for the upcoming lithium batteries. However, employing sulfur as the active material in all-solid-state composite cathodes introduces two critical challenges: sluggish...
Structural coloration strategies are widely adopted in the living world to manipulate light, offering great inspiration for humans to address the challenges in creating advanced photonic materials with desired performance. Among the vast photonic structures in nature, chiral photonic crystals have drawn special attention owing to their intricate 3D structure, unique chiroptical...
In recent years, wearable electrochemical sensors have been widely used for biochemical analysis. These sensors, which incorporate flexible electrodes and sensitive recognition elements on a flexible substrate, facilitate the noninvasive, in-situ, real-time, and continuous monitoring of target biochemical molecules in biofluids while maintaining high selectivity and sensitivity...
Side chain engineering of small-molecule acceptors (SMAs) is a promising strategy for improving device efficiency in organic solar cells (OSCs). This study investigates the parent SMAs of BT-BO and BT-TBO, along with the newly synthesized asymmetric SMA, BT-ASY, which features branched alkyl chains and thiophene side chains substituted at the β positions of the thiophene units...
All-polymer solar cells (all-PSCs) have attracted significant research attention in recent years, primarily due to their advantages of outstanding photo-thermal stability and excellent mechanical flexibility. However, all-PSCs typically exhibit complex morphologies during the film formation of blend films, primarily due to the tendency to become entangled in polymer chains...
The development of high-performance near-infrared (NIR) absorbing electron acceptors is a major challenge in achieving high short-circuit current density (JSC) to increase power conversion efficiency (PCE) of organic solar cells (OSCs). Herein, three new multi-heteroatomized Y-series acceptors (bi-asy-Y-Br, bi-asy-Y-FBr, and bi-asy-Y-FBrF) were developed by combining dual...
As future soft robotic devices necessitate a level of complexity surpassing current standards, a new design approach is needed that integrates multiple systems necessary to synchronize the motions of soft actuators and the response of signals, thereby enhancing the intelligence of flexible devices. Herein, we propose a liquid crystal elastomer unit cell-based platform that...
Persistent luminescence nanomaterials can remain luminescence when the light source is turned off, which exhibits promise in biosensor and bioimaging fields since they have the ability to completely eradicate tissue autofluorescence. Although significant progress has been made in the persistent luminescence biosensing, there is still a dearth of long-afterglow detection platform...
The conversion of carbon dioxide (CO2) to the reduced chemical compounds offers substantial environmental benefits through minimizing the emission of greenhouse gas and fostering sustainable practices. Recently, the unique properties of metal-organic frameworks (MOFs) make them attractive candidates for electrocatalytic CO2 reduction reaction (CO2RR), providing many opportunities...
For luminescent materials, negative thermal quenching (NTQ), characterized by an increase in the luminescent intensity with temperature, has a large potential in lighting and display technologies. However, leveraging NTQ in metal halide perovskites is challenging, and the mechanism is not well understood. Herein, by utilizing low-temperature photoluminescence, persistent...
Quasi-two dimensional (2D) perovskites have emerged as a promising class of materials due to their remarkable photoluminescence efficiency, which stems from their exceptionally high exciton binding energies. The spatial confinement of excitons within smaller grain sizes could enhance the formation of biexcitons leading to higher radiative recombination efficiency. However, the...
The aim of this study is to fabricate Zr-based bulk metallic glass matrix composites (BMG-MCs) for biomedical usage and subject them to a comprehensive and farreaching analysis with respect to their mechanical properties, biocorrosion resistance, biocompatibility, and interactions with biofilms that all may arise from their chemical compositions and unusual disordered internal...
We report a simple, effective, and universal lattice reconstruction approach to improve the quality of perovskite films by using nonpolar solvents with high Gutmann donor numbers (DNs). We find that high-DN nonpolar solvents, for instance, ethyl acetate, can interact with perovskite precursors. Such a solvent can make the perovskite lattice more ordered and “harder” and promote...
Reabsorption is one of the most fundamental optical phenomena, but it has rarely been considered in spectroscopy-based composition analysis for organic semiconductors. Here, we take four state-of-the-art organic solar cell (OSC) materials as examples, and systematically investigate the influence of reabsorption on photoluminescence emission and excitation spectra by both...
Rare earth elements (REEs) are essential raw materials vital for the advancement of modern high-tech industries. However, their extraction often leads to environmental concerns. The similar chemical properties of REEs contribute to high energy consumption and significant pollution emissions during the separation process. To address these challenges and promote sustainable...
This review delves into the synthesis of iron oxide nanoparticles (IONPs), a pioneering nanomaterial in biomedical applications. It highlights the limitations of traditional synthetic methods, such as co-precipitation, thermal decomposition, sol–gel method, and hydrothermal synthesis, particularly their inability to fully control substance exchanges, impacting the purity and...
电催化剂在加速电化学转换中扮演着关键角色, 这种转换可以 利用日益增长的可再生能源将广泛存在的分子转化为高价值化学品. 高熵材料(HEMs), 通常为含有至少五种主要元素的固溶体, 因其独特 的物理化学特性, 在电催化领域展现出广阔的应用潜力. 尽管对HEMs 的研究兴趣持续增长, 但开发适合实际应用的高效HEMs电催化剂及理 解其催化机理仍是挑战所在. 本论文聚焦分析HEM纳米催化剂在几种 关键电化学反应中的前沿应用, 首先回顾了常见的HEMs电催化剂制备 技术, 继而探讨了关于高熵合金在电催化中的理论计算研究, 以深化对 其电催化应用的理解. 此外, 文章还概述了HEMs电催化剂在水和二氧 化碳电解的关键反应中的应用前景, 包括析氢反应、二氧化碳还原反 应、析氧反应及其它小分子的氧化反应. 通过分析近期的重要成果, 本...
Developing high-efficiency and stable semiconductor photocatalysts is crucial for realizing the practical applications of photocatalysis. Polymeric carbon nitride (CN) has been verified as a promising candidate for photocatalytic H2 evolution due to a series of outstanding physicochemical properties. Over the past decade, significant progress has been made in enhancing the...