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Pursuing High‐Mobility n‐Type Organic Semiconductors by Combination of “Molecule‐Framework” and “Side‐Chain” Engineering 下载免费PDF全文
Cheng Zhang Yaping Zang Fengjiao Zhang Ying Diao Christopher R. McNeill Chong‐an Di Xiaozhang Zhu Daoben Zhu 《Advanced materials (Deerfield Beach, Fla.)》2016,28(38):8456-8462
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Membranes in cells display elaborate, dynamic morphologies intimately tied to defined cellular functions. Cisternae stacks are a common membrane morphology in cells widely found in organelles. However, compared with the well‐studied spherical cell membrane mimics, cisternae stacks as organelle membrane mimics are greatly neglected because of the difficulty of fabricating this unique structure. Herein, the grana‐like cisternae stacks are assembled via the reorganization of stacked microsized bicelles to mimic grana functions. The cisternae stacks are connected by fusion regions between adjacent cisternae. The number of cisternae can be controlled from ≈4 to 15 by the variation of ethanol volume percentage. Under the stimulation of solvent or negatively charged nanoparticles, the cisternae stacks can reversibly compress and expand, similar to the “breathing” property of natural grana. During the “breathing” process, nanoparticles are reversibly captured and released. Frequency resonance energy transfer is realized on the cisternae stacks trapped with two kinds of quantum dots. The cisternae stacks provide advanced membrane model for cell biotechnology, and clues for the shaping of organelles composed of cisternae. The ability of the cisternae stacks to capture materials enables them to possibly be applied in biomimetics and the design of advanced functional materials. 相似文献
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Developing a “Water‐Defendable” and “Dendrite‐Free” Lithium‐Metal Anode Using a Simple and Promising GeCl4 Pretreatment Method 下载免费PDF全文
Kaiming Liao Shichao Wu Xiaowei Mu Qian Lu Min Han Ping He Zongping Shao Haoshen Zhou 《Advanced materials (Deerfield Beach, Fla.)》2018,30(36)
Lithium metal is an ultimate anode in “next‐generation” rechargeable batteries, such as Li–sulfur batteries and Li–air (Li–O2) batteries. However, uncontrollable dendritic Li growth and water attack have prevented its practical applications, especially for open‐system Li–O2 batteries. Here, it is reported that the issues can be addressed via the facile process of immersing the Li metal in organic GeCl4–THF steam for several minutes before battery assembly. This creates a 1.5 µm thick protection layer composed of Ge, GeOx, Li2CO3, LiOH, LiCl, and Li2O on Li surface that allows stable cycling of Li electrodes both in Li‐symmetrical cells and Li–O2 cells, especially in “moist” electrolytes (with 1000–10 000 ppm H2O) and humid O2 atmosphere (relative humidity (RH) of 45%). This work illustrates a simple and effective way for the unfettered development of Li‐metal‐based batteries. 相似文献
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A “Solid Dual‐Ions‐Transformation” Route to S,N Co‐Doped Carbon Nanotubes as Highly Efficient “Metal‐Free” Catalysts for Organic Reactions 下载免费PDF全文
Fan Wang Shuyan Song Kai Li Junqi Li Jing Pan Shuang Yao Xin Ge Jing Feng Xiao Wang Hongjie Zhang 《Advanced materials (Deerfield Beach, Fla.)》2016,28(48):10679-10683
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Xingxing Jiang Yi Yang Maxim S. Molokeev Pifu Gong Fei Liang Shuaihua Wang Lei Liu Xiang Wu Xiaodong Li Yanchun Li Shaofan Wu Wei Li Yicheng Wu Zheshuai Lin 《Advanced materials (Deerfield Beach, Fla.)》2018,30(32)
Discovering materials that exhibit zero linear compressibility (ZLC) behavior under hydrostatic pressure is extremely difficult. To date, only a handful of ZLC materials have been found, and almost all of them are ultrahard materials with densified structures. Here, to explore ZLC in nondense materials, a structural model analogous to the structure of the “Lu‐Ban stool,” a product of traditional Chinese woodworking invented 2500 years ago, is proposed. The application of this model to borates leads to the discovery of ZLC in AEB2O4 (AE = Ca and Sr) with the unique “Lu‐Ban stool”‐like structure, which can obtain a subtle mechanical balance between pressure‐induced expansion and contraction effects. Coupled with the very wide ultraviolet transparent windows, the ZLC behavior of AEB2O4 may result in some unique but important applications. The applications of the “Lu‐Ban stool” model open a new route for pursuing ZLC materials in nondense structural systems. 相似文献
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