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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals最新文献

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Electrochemical Synthesis of Polyaniline Composite Films in Acetonitrile/Water Medium 乙腈/水介质中聚苯胺复合膜的电化学合成
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030099
Y. Park, Yound Il Kim, D. Baik, C. Park
{"title":"Electrochemical Synthesis of Polyaniline Composite Films in Acetonitrile/Water Medium","authors":"Y. Park, Yound Il Kim, D. Baik, C. Park","doi":"10.1080/10587250108030099","DOIUrl":"https://doi.org/10.1080/10587250108030099","url":null,"abstract":"Abstract The electroconductive polyacrylonitrile(PAN)/polyaniline composite can be synthesized by the electrochemical polymerization of aniline on the PAN-coated Pt electrode in acetonitrile/water medium. The electrochemical properties of PAN/polyaniline composites were investigated comparing with polyaniline.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"41 1","pages":"327 - 332"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80984095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Electroluminescence of Organic EL Device using PDPMA Doped by Various Fluorescent Dyes 不同荧光染料掺杂PDPMA电致发光器件的研究
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108024737
C. Lee, Eugene Kim, S. Oh
{"title":"Electroluminescence of Organic EL Device using PDPMA Doped by Various Fluorescent Dyes","authors":"C. Lee, Eugene Kim, S. Oh","doi":"10.1080/10587250108024737","DOIUrl":"https://doi.org/10.1080/10587250108024737","url":null,"abstract":"Abstract Organic electroluminescent (EL) devices with color tunable function using poly[N-(p-diphenylamine)phenylmethacrylamide], PDPMA doped by various fluorescent dyes (nile red, DCM, TPP) as a polymer hole transporting material and Alq3 as a host emitting material were fabricated. The fluorescent dyes used as guest emitting materials. The luminescence of the doped devices was significantly influenced by the amount and the structure of the fluorescent dyes. Especially, the DCM doped device emitted red light with the brightness of 1500 cd/m2.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"6 1","pages":"265 - 268"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79865703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Time-Resolved Fluorescence Study of GFP Homo-Film GFP同质膜的时间分辨荧光研究
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030045
Jeong-woo Choi, Yun-Suk Nam, Dongho Kim, W. Lee, M. Fujihira
{"title":"Time-Resolved Fluorescence Study of GFP Homo-Film","authors":"Jeong-woo Choi, Yun-Suk Nam, Dongho Kim, W. Lee, M. Fujihira","doi":"10.1080/10587250108030045","DOIUrl":"https://doi.org/10.1080/10587250108030045","url":null,"abstract":"Abstract The charge transfer characteristics of molecular homo-films composed of green fluorescence protein (GFP) were investigated by time-resolved fluorescence measurement. In this work, time-resolved fluorescence decay of GFP homo film was measured to investigate the solid-state fluorescence lifetime and to observe the charge transfer by using time-correlated single photon counting method (TCSPC).","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"9 1","pages":"93 - 96"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83195823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Fabrication of Gold Nanoparticle Assemblies on the Functionalized Surface Patterned by AFM Lithography AFM光刻技术在功能化表面上制备金纳米粒子组件
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030077
Y. Jung, S. Ahn, H. Chae, Haeseong Lee, E. Kim, Haiwon Lee
{"title":"The Fabrication of Gold Nanoparticle Assemblies on the Functionalized Surface Patterned by AFM Lithography","authors":"Y. Jung, S. Ahn, H. Chae, Haeseong Lee, E. Kim, Haiwon Lee","doi":"10.1080/10587250108030077","DOIUrl":"https://doi.org/10.1080/10587250108030077","url":null,"abstract":"Abstract Selective deposition of gold particles on a patterned substrate was studied for fabrication of a single electrons transistor. In the present study, a selective positioning technique was achieved using atomic force microscope (AFM). Various self-assembled monolayers (SAMs) on silicon surface such as hexamethyldisilazane (HMDS) and octadecyl dimethylmethoxy silane (ODMS) SAMs were prepared as a system for AFM lithography. A uniform pattern was engraved on the SAMs. The selective deposition of gold was efficiently accomplished. This gold particle assembly was characterized by AFM.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"67 1","pages":"231 - 234"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83957148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Preparation and Characterization of Hydrophobic Modified Silica Film via Sol-Gel Process 溶胶-凝胶法制备疏水改性二氧化硅薄膜及表征
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108024761
K. Yoon, M. Kim
{"title":"Preparation and Characterization of Hydrophobic Modified Silica Film via Sol-Gel Process","authors":"K. Yoon, M. Kim","doi":"10.1080/10587250108024761","DOIUrl":"https://doi.org/10.1080/10587250108024761","url":null,"abstract":"Abstract With controlling the amount of methyltrimethoysilane (MIMS) in silica films via sol-gel process, the surface free energy of the films has been changed. The contact angle was Measured to characterize the modifeid was determined, and correlated to the surface characteristic (hydrophobicity) of the films.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"19 1","pages":"365 - 368"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81874001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Photoconductivity of Discotic Liquid Crystals: a Mesogenic Long-Chain Tetraphenylporphyrin and Its Metal Complexes 盘状液晶的光导电性:一种介源长链四苯基卟啉及其金属配合物
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030044
Y. Shimizu
{"title":"Photoconductivity of Discotic Liquid Crystals: a Mesogenic Long-Chain Tetraphenylporphyrin and Its Metal Complexes","authors":"Y. Shimizu","doi":"10.1080/10587250108030044","DOIUrl":"https://doi.org/10.1080/10587250108030044","url":null,"abstract":"Abstract A mesogenic long-chain tetraphenylporphyrin and its metal complexes(Ni(II), V˭O(IV) and Si(OH)2) were studied on the mesomorphism and photoconductivity in a symmetrical sandwich-type ITO cell. These complexes show so-called “lamellar-type” mesophases having a layered structure like smectic mesophase. The photocurrent behaviour of these compounds were compared to clarify the characteristic properties of photoconductivity for lamellar mesophases.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"1997 1","pages":"83 - 91"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72754524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Use of a Single Anionic Conductor as a Hole-Injecting Material for Polymer Light-Emitting Diodes 使用单一阴离子导体作为聚合物发光二极管的空穴注入材料
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108024723
Tae-Woo Lee, O. Park
{"title":"Use of a Single Anionic Conductor as a Hole-Injecting Material for Polymer Light-Emitting Diodes","authors":"Tae-Woo Lee, O. Park","doi":"10.1080/10587250108024723","DOIUrl":"https://doi.org/10.1080/10587250108024723","url":null,"abstract":"Abstract A single anionic conductor (SAC) was employed to improve the hole injection properties in an Al anode/SAC/poly[2-methoxy-5-(2′-(ethylhexyloxy)-1,4-phenylenevinylene) emissive layer/indium tin oxide cathode device. The SAC possesses an excellent hole-injection property, because of ionic space charge accumulation near the anode by the good chain segmental motion of the soft block in the polymer chains of the SAC. Thus, a balanced injection of an electron-hole pair can be achieved to greatly improve the quantum efficiency.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"1 1","pages":"207 - 210"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89872710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Second Harmonic Generation Phase Measurement for Determination of Molecular Orientation and Effective Second Order Nonlinear Optical Constant 二次谐波相位测量测定分子取向和有效二阶非线性光学常数的分析
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030055
H. Kimura-Suda, T. Sassa, T. Wada, H. Sasabe
{"title":"Analysis of Second Harmonic Generation Phase Measurement for Determination of Molecular Orientation and Effective Second Order Nonlinear Optical Constant","authors":"H. Kimura-Suda, T. Sassa, T. Wada, H. Sasabe","doi":"10.1080/10587250108030055","DOIUrl":"https://doi.org/10.1080/10587250108030055","url":null,"abstract":"Abstract The average direction of molecules and the absolute value of an effective second order nonlinear optical constant (∣d eff 7∣) were simultaneously determined using a new second harmonic generation (SHG) phase measurement with theoretical curve fitting. The theoretical curve fitting process was demonstrated using poled poly (methyl methacrylate) films doped with p-nitroaniline (PNA/PMMA), which were used as a reference and a sample. The second harmonic (SH) interference generated between the two poled PNA/PMMA films was modulated by rotating the phase generator inserted between the two. The fitting process derived d eff itself. The average direction of molecules was shown by the sign of d eff . The obtained value of ∣d eff ∣ was verified by that from a Maker fringe measurement. The obtained average direction of molecules coincided with that determined by a poling geometry.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"48 1","pages":"135 - 138"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75095298","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics of Organic Light-Emitting Diodes Using PECCP Langmuir-Blodgett Film as an Emissive Layer 使用PECCP Langmuir-Blodgett薄膜作为发射层的有机发光二极管的特性
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108024781
Ho-Sik Lee, T. Kim, Won-jae Lee, Jongwook Park, D. Kang
{"title":"Characteristics of Organic Light-Emitting Diodes Using PECCP Langmuir-Blodgett Film as an Emissive Layer","authors":"Ho-Sik Lee, T. Kim, Won-jae Lee, Jongwook Park, D. Kang","doi":"10.1080/10587250108024781","DOIUrl":"https://doi.org/10.1080/10587250108024781","url":null,"abstract":"Abstract We have synthesized green light-emitting material, poly(3,6-N−2-ethylhexyl carbazolyl cyanotere-phthalidene)(PECCP), which has an electron-donor and electron-acceptor moiety in a repeated unit of polymer. Organic light-emitting diodes were made with PECCP Langmuir-Blodgett(LB) films in a sandwich structure between indium-tin-oxide(ITO) and aluminum electrodes. Z-type LB films were manufactured using a Kuhn type to use for an emissive layer. We have observed green photoluminescent and electroluminescent spectra at λmax = 536 nm corresponding to 2.31 eV.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"8 1","pages":"451 - 454"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75400954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DSC Studies upon Thermal Curing of Methylsilsesquinoxane 甲基硅氧烷热固化的DSC研究
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI: 10.1080/10587250108030095
Kitae Song, Byoung Suhk Kim, Jae Wook Lee, H. Rhee
{"title":"DSC Studies upon Thermal Curing of Methylsilsesquinoxane","authors":"Kitae Song, Byoung Suhk Kim, Jae Wook Lee, H. Rhee","doi":"10.1080/10587250108030095","DOIUrl":"https://doi.org/10.1080/10587250108030095","url":null,"abstract":"Abstract A conventional DSC was used to investigate the thermal curing behavior of methylsilsesquioxane (MSSQ) which transforms into the low dielectric constant material, poly(MSSQ). Temperature scan of MSSQ up to 350°C revealed that the curing of MSSQ is an endothermic reaction that occurs over the wide temperature range. From the isothermal scan of MSSQ, it was found that the curing of MSSQ follows the first-order reaction.","PeriodicalId":18940,"journal":{"name":"Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals","volume":"52 1","pages":"309 - 312"},"PeriodicalIF":0.0,"publicationDate":"2001-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74103269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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