摘要：Responsive soft materials capable of complex,reversible,and rapid geometric deformations under external stimuli hold significant potential for applications in minimally invasive medicine,wearable devices,and soft *** this study,we present a novel approach for designing reconfigurable three dimensional(3D)deformable magnetic soft materials through photothermal *** embedding hard magnetic particles within a polymer matrix composed of fibrous polypyrrole(PPy)and semi-crystalline polymer,we develop magnetic composites that can be remotely controlled to achieve precise,programmable deformations under an external magnetic *** key innovation lies in utilizing the photothermal effect of PPy,which temporarily alters the viscosity of the composite when irradiated with infrared light,allowing dynamic orientation of the magnetic *** cooling,the magnetic anisotropy is solidified,enabling rapid and reversible geometric *** method allows for intricate control over the magnetization distribution,leading to the development of multifunctional devices with various potential applications such as complex 3D deformations for soft robotics,multimodal electrical switches,rewritable quick response codes,and shape-adaptable *** study not only enhances the understanding of magnetic moment programming in soft materials but also opens new avenues for the design of adaptive and responsive materials for advanced technological applications.

摘要：Most biological photoredox reactions occur in sophisticated molecular assemblies consisting of highly organized light-harvesting moieties and catalytic *** these prototypes by creating supramolecular assemblies could be a potentially viable approach toward artificial *** self-assembled organic materials are known to carry out water splitting reactions,developing self-assembled organic materials for photocatalytic overall water splitting still remains a critical ***,we first demonstrate that crystalline organic nanosheets assembled from linear oligo(phenylene butadiynylene)(OPB)are able to catalyze overall water splitting under visible light *** investigations reveal that the photocatalytic activity of self-assembled organic structures is closely related to the crystalline structure along with the corresponding electronic *** disorders in OPB nanosheets and extrinsic factors such as adsorbed water molecules will induce the formation of electron traps which can make the OPB nanosheets thermodynamically unfavorable for photocatalytic overall water *** deactivation mechanism unveiled in this study provides crucial insights into the assembling of artificial organic materials for future solar-to-chemical energy conversion.

摘要：通过模仿自然界光合作用利用光催化材料实现太阳能到化学能的转换,是解决地球能源问题和环境危机的有效途径之一。二维共价有机框架材料具备结构可设计性强、结晶性高以及表面活性位点丰富等优势,已经被广泛用于光催化分解水制氢、二氧化碳还原以及制备过氧化氢等领域,近年来成为了太阳能光化学转换研究领域的新兴材料。综述了近年来二维共价有机框架材料在光催化能量转换领域的最新研究进展,重点探讨了二维共价有机框架材料的材料设计与合成策略及其在光催化领域的典型应用,并展望此类材料在未来太阳能光化学转换应用领域的机遇和挑战。

摘要：赋予光学超材料和等离子激元器件弯折、拉伸和卷曲的特性可以开启对电磁波进行调控的新篇章,并实现新颖的器件设计和强大的功能性,例如隐身装置、超级棱镜和变换光学等.本文综述了近年来从微波到可见光不同波段产生响应的柔性光学超材料和等离子激元器件的发展和应用,包括光学结构设计、柔性基底的力学和光学性质、及与其匹配的微纳加工技术.除传统的光刻、电子束曝光、纳米粒子自组装技术外,本文还介绍了新型的纳米掩膜板和纳米压印转移技术.其中,新型低成本的适用于大面积纳米光学结构的纳米压印转移技术具有较大应用前景.文章还将讨论应力作用对不同光子器件产生的性质调控以及实现的滤波器,拉曼信号增强和传感器等方面的应用.

摘要：通过仿生光合作用将太阳能转化为可储存、可运输的化学燃料是解决全球能源危机和环境问题的有效途径之一。高分子半导体因其电子结构可以简单地从分子水平上进行调控和设计,近几年来在光催化领域展现出广阔的应用前景。由于具有二维平面结构的共轭高分子半导体具有大的比表面积、丰富的表面活性位点和高效的光生电子/空穴分离能力,并且可以方便地形成异质结构等独特的性质,其在光催化分解水领域的应用逐渐引人关注。本文重点介绍了二维高分子半导体在光催化全解水领域的最新研究进展,着重讨论了目前用于调控二维高分子材料能带结构和表面活性位点的方法,并展望二维高分子材料在光催化全解水研究中所存在的机遇和挑战。