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Chapter
Solid-State Polymerization of Conjugated Acetylene Compounds to Form \(\uppi\) -Conjugated Polymers
Since polydiacetylene derivatives are synthesized by the solid-state polymerization of butadiyne monomers, the structures of the monomers determining their alignment in the crystals are very important. By appl...
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Article
Open AccessCharacterization of all second-order nonlinear-optical coefficients of organic N-benzyl-2-methyl-4-nitroaniline crystal
Full elements of second-order nonlinear optical (NLO) tensor can be completely characterized for an organic NLO crystal for the first time. As-grown bulk N-benzyl-2-methyl-4-nitroaniline (BNA) crystal was proc...
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Article
Preparation of mixed crystals composed of 1,4-bis(butadiynyl)phenylene derivatives and the solid-state copolymerization
Solid-state copolymerization of 8,8′-(1,4-phenylene)bis(5,7-octadiynyl N-(butoxycarbonylmethyl)carbamate) 1, a 1,4-bis(butadiynyl)phenylene derivative, and its perfluorophenylene derivative 2 was examined. Their ...
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Article
Solid-state polymerization of 1,4-bis(hexatriynyl)benzene derivatives
Two 1,4-bis(hexatriynyl)benzene derivatives with urethane groups, i.e., 10,10′-(1,4-phenylene)bis(5,7,9-decatriynyl N-(butoxycarbonylmethyl)carbamate) 1 and its perfluorophenylene derivative 2, were synthesized, ...
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Article
Electrochemical self-assembly of CuSCN-DAST hybrid thin films
Nanostructured inorganic–organic hybrid thin films of copper(I) thiocyanate (CuSCN) and 4-(N,N-dimethylamino)-4′-(N′-methyl)stilbazolium tosylate (DAST) were electrochemically self-assembled by adding DAST into m...
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Article
Synthesis and solid-state polymerization of diacetylene derivatives directly substituted with a phenylcarbazole moiety
We synthesized five novel asymmetric carbamate diacetylene (DA) derivatives with a 9-phenyl-9H-carbazol-3-yl group as an aromatic donor moiety directly bound to the DA. Upon ultraviolet irradiation, three DA deri...
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Article
Polymerization of a divalent metal salt of an unsaturated carboxylic acid stimulated by ion exchange with a metal salt of fatty acids
The thermal polymerization of 1:1 mixtures of zinc diacrylate (ZDA) and zinc dialkanoate (ZDCx) was investigated. The mixtures started to melt at lower temperatures than the melting points of the original compone...
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Chapter
Reactions and Orientational Control of Organic Nanocrystals
Organic nanocrystals can be prepared by the reprecipitation method. The solid-state reactions within the nanocrystals and the reactions on the nanocrystal surfaces were investigated. In the nanocrystals, strai...
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Article
Thermal solid-state polymerization of a divalent metal salt of an unsaturated carboxylic acid and the effects of additives
Thermal solid-state polymerization of zinc diacrylate (ZDA) alone and with additives, such as diphenyl disulfide (DPDS) and thiophenol (TP) derivatives and dicumyl peroxide (DCP), was investigated. The solid-s...
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Article
Solid-state polymerization of conjugated hexayne derivatives with different end groups
Three hexayne derivatives with different end groups—that is, 10,12,14,16,18,20-triacontahexayne-1,30-diol (1) and its diphenylurethane (2) and diphenylester (3)—were synthesized, and their solid-state polymerizat...
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Article
Solid-State Polymerization Behavior of 1,3-Bis(3-quinolyl)-1,4-butadiyne
1,4-Bis(3-quinolyl)-1,3-butadiyne (DQ) is known to be polymerized in solid state to give the corresponding polydiacetylene. However, the polymer yield of DQ bulk crystals is low. Thus, we prepared several type...
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Article
Preparation and Solid-state Polymerization of Dipyridyloctatetrayne Derivatives
Three symmetrical dipyridyloctatetrayne monomers, i. e., 1,8-di(x-pyridyl)octatetrayne: x=2, 3 and 4, were synthesized and their solid-state polymerization was investigated. In addition, a salt prepared from 1,8-...
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Article
Solid-State Polymerization of Monomers Possessing Two Diphenylbutadiyne Moieties with Amido Groups to Form Ladder Polymers
Two series of monomers possessing two diphenylbutadiyne moieties connected by a methylene chain via amido groups, i.e., alkanedi{3-[4-(3-nitrophenyl)butadynyl]anilide} (N-n) and alkanedi{3-[4-(3-alkanoylaminophen...
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Article
Synthesis of Polydiacetylenes from Novel Monomers Having Two Diacetylene Units Linked by an Arylene Group
Three novel monomers 4BCMU4A(Ar) with chemical structures of R-C≡C-C≡C-Ar-C≡C-C≡O-R, where R=−(CH2)4-OCONHCH2COOC4H9 and Ar=1,4-phenylene (Ph) or 2,3,5,6-tetrafluoro-1,4-phenylene (PhF) or 4,4′-biphenylene (Biph)...
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Article
Linear and Nonlinear Optical Properties of Novel Ionic Chromophores
A series of novel ionic chromophores consisting of a carbazole moiety and pyridinium rings connected by a double bond have been designed and synthesized as nonlinear optical materials. Their linear and nonline...
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Article
Chemical and electrochemical polymerisation of diacetylenes containing thienyl moiety as the side group
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Article
A novel series of quinoline containing asymmetrically substituted polydiacetylenes for third-order nonlinear optical material
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Article
Second harmonic generation in a Langmuir monolayer of the new amphiphilic coordination compound pentacyano(4-octadecylaminopyridine)-ferrate(III)
Second harmonic generation experiments were carried out with a Langmuir film of the new amphiphilic coordination compound pentacyano(4-octadecylaminopyridine)ferrate(III) (POF), whose push-pull hydrophilic str...
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Article
Optical Third-Harmonic Generation in Polyaniline Cast Films
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Article
Structure and Optical Property of Polymers Obtained by Solid-State Polymerization of a Tetraacetylene Compound
The polydiacetylene having diacetylenic substituents has been prepared by γ-ray irradiated solid-state polymerization of 15, 17, 19, 21-hexatriacontatetrayne. It has been found that the polymer can be converte...
