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23篇 您的检索式:作者名="Yagai"
    题名 作者 年代 出处 被引量
1Chem Eur J显示文摘Yagai S Karatsu T Kitamura A 200511:4 0542005,11,:1
2Hierarchical Organization of Photoresponsive Hydrogen-Bonded Rosettes 显示文摘Yagai S Kitamura A 2005J Am Chem Soc2005,127,11:1
3Photo-cont rollable self-assembly 显示文摘Yagai S Karatsu T Kitamura A 2005Chem Eur J2005,11,:1
4Unconventional hydrogen-bond-directed hierarchical co-assembly between perylene bisimide and azobenzene-functionalized melamine显示文摘Yagai S Hamamura S Wang H 2009Org Biomol Chem2009,7,19:1
5Transformation from H-to J-aggregated perylene bisimide dyes by complexation with cyanurates显示文摘YAGAI S SEKI T KARATSU T 0,,18:1
6Photocontrollable self-assembly 显示文摘Yagai S Karatsu T Kitamura A 2005Chemistry: A European Journal2005,11,14:1
7Recent advances in photoresponsive supramolecular selfassemblies显示文摘Yagai S Kitamura A 2008Chem Soc Rev2008,37,:1
8Self-assembly of synthetic 81-hydroxy-chlorophyll analogues 显示文摘Yagai S Miyatake T Tamiaki H 1999J Photochem Photobiol B: Biol1999,52,:1
9Supramolecular structure of self-assembled synthetic zinc 13^1-oxo-chlorins possessing a primary, secondary or tertiary alcoholic 3^1-hydroxyl group: visible spectroscopic and molecular modeling studies 显示文摘Yagai S Miyatakake T Shimono Y 2001Photochem Photobiol2001,73,2:1
10Photo-control lab self-assembly显示文摘Yagai S Karatsu T Kitamura A 2005Chem Euro J2005,11,:1
11Dye-assisted structural modulation of hydrogen-bonded binary supramolecular polymers 显示文摘Yagai S Higashi M Karatsu T 2005Chem Mater2005,17,:1
12Nanoengineering of Curved Supramolecular Polymers:Toward Single-Chain Mesoscale Materials显示文摘CONSPECTUS:Recently,supramolecular polymers(SPs),which depend on the formation of reversible bonds between monomers,have attracted attention as a class of materials that can overcome the potential environmental problems of conventional polymeric materials.The development of various supramolecular polymers is important not only for their direct application as materials but also because their unique polymerization processes and dynamic properties have a profound influence on the development of polymeric and small-molecule-based functional materials.In other words,by limiting the dimensionality of molecular assemblies to one dimension,we can discover the essential aspects of selfassembly and self-organization.In particular,supramolecular polymerization,in whichπ-electron-rich planar molecules are stacked one-dimensionally via multiple interactions,is interesting because it gives“π-stacked SPs”with one-dimensional crystal-like order.The excellent intrinsic(internal)structural order ofπ-stacked SPs is difficult to observe in higher-order structures that exhibit only a monotonous linear structure.However,our research has shown that when internal structural order intrinsically generates curvature,the curvature appears as a major feature of the entire polymer chain.This intrinsic curvature allows the formation of diverse topologies such as toroids,random coils,waves,spirals,and helicoids usingπ-stacked SPs and also allows structural changes at the single-polymer-chain level along a topology-dependent energy landscape.In other words,π-stacked SP-based nanomaterials could enable free control of the structure at the single-polymer-chain level.This Account will focus on our research into curved supramolecular polymers(CSPs)during the last five years.CSPs are formed by the hydrogen bonding between barbituratecontainingπ-conjugated molecules to produce giant supramolecular monomers.We first give an overview of the molecular design of the monomers required for the formation of CSPs,the unique energy landscape of CSPs,and their evaluation and analysis methods,before describing the four specific properties of CSPs.The first is structural controllability via the introduction of photoresponsive units such as azobenzene and diarylethene moieties.The isomerization of these photochromic molecules within the CSP main chain has a local effect on the curvature and allows photocontrol of their entire topology.The second is the copolymerization of different molecules via the formation of rosettes.Here,two extreme examples,block and alternating copolymerization,are discussed.Third,we describe a structural transition that involves the rearrangement of hydrogen bonds.This is a new property,which enables a structural transition from a soft and highly soluble supramolecular polymer to a hard and poorly soluble crystalline structure and thus expands the applicability of CSPs to environmentally important and electronic materials.Finally,self-assembled polycatenanes are described as an example of an entirely new“topological self-organization”using CSP formation on CSP surfaces,i.e.,secondary nucleation.This work is also a turning point in our CSP research and includes concepts that are broadly applicable to the creation of self-organized functional materials.At the end of this Account,we will discuss how CSPs can contribute to nanotechnology or mesotechnology as single-chain-polymer materials.We hope that the landscape depicted in this Account will guide the development of a variety of new functional materials.Sougata Datta Sho Takahashi Shiki Yagai 2022Accounts of Materials Research2022,3,2:1
13Forma- tion of supramolecular polymers and discrete dimers of perylene bisimide dyes based on melamine-cyanurates hy- drogen-bonding ineraetion 显示文摘Tomohiro Seki Shiki Yagai Takashi Karatsu 2008J Org Chem2008,73,:1
14Formation of supramo- lecular polymers and discrete dimers of perylene bisimide dyes based on melamine--Cyanurates hydrogen-bonding intera-ctions 显示文摘Seki T Yagai S Karatsu T 2008J Org Chem2008,73,:1
15Micro power grid system with SMES and superconducting cable modutes cooled by liquid hydrogen 显示文摘Nakayama T Yagai T Tsuda M 2009IEEE Transactions on Applied Superconductivity2009,19,3:1
16Recent advances in photoresponsive supramolecular self-assemblies显示文摘Yagai S Kitamura A 2008Chemical Society Reviews2008,37,8:1
17Photocontrollable self-assembly显示文摘Yagai S Karatsu T Kitamura A 0,,14:1
18Photopolymer显示文摘X Lin Takash Hattori Shiki Yagai 201124(3): 2992011,24,3:1
19Rational design of nanofibers and nanorings through complementary hydrogen‐bonding interactions of functionalπsystems显示文摘Yagai S Aonuma H Kikkawa Y 2010Chemistry-A European Journal2010,16,29:1
20Recent advances in photore- sponsive supramoleeular self-assemblies显示文摘Yagai S Kitamura A 2008Chem Soc Rev2008,37,:1
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