Growth process of poly (3-dodecyl thiophene)self-assembled monolayers: FTIR-RAS and gravimetric studies (Record no. 43277)

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fixed length control field 02217nam a2200205Ia 4500
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20250625124731.0
040 ## - CATALOGING SOURCE
Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-9017
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
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245 10 - TITLE STATEMENT
Title Growth process of poly (3-dodecyl thiophene)self-assembled monolayers: FTIR-RAS and gravimetric studies
490 0# - SERIES STATEMENT
Volume/sequential designation Thin Solid Films, 464-465, p.403-407, 2004
520 3# - SUMMARY, ETC.
Summary, etc. The growth process of self-assembled monolayers (SAMs)of poly (3-dodecylthiophene)(PDT)on Au (111)surfaces has been revealed by Fourier-transform infrared reflection absorption spectroscopy (FTIR-RAS)and quartz crystal microbalance (QCM)method. Immersion of the gold substrate into a chloroform solution of PDT induces adsorption of the polymer coils on the Au surface. Both the FTIR-RAS and QCM methods revealed that the overall kinetics of the PDT-SAMs growth obeys the time-dependent Langmuir isotherm. FTIR-RAS clarified that the SAM growth of PDT depends upon the molecular conformational transitions. The PDT coils spread over the surface due to the attractive force between the sulphur atoms of thiophene-ring and Au atoms, and intramolecular interactions. The thiophene backbone of the PDT orients parallel to the gold surface. Simultaneously, the alkyl chain moiety of PDT is oriented perpendicular to the surface. At the equilibrium state, the alkyl chain moiety takes a flat-lying configuration to the surface. QCM defined the high-affinity isotherm, i.e., the first phase in the lower concentration range, where alkyl-chains of PDT is oriented perpendicular to the surface until the saturation coverage. As the coverage increases, the alkyl chains of PDT change from ''standing-up'' to ''flat-lying'' configurations, which is in good agreement with the FTIR-RAS data. In the second phase with the higher coverage, PDT forms loops and tails along the thiophene backbone.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SELF-ASSEMBLED MONOLAYER
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element GROWTH KINETICS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element POLY (3-ALKYLTHIOPHENE)
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Shimoyama, Y.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1Xr8Be7RC3JqULNFMbpsqmrP28KjdOicc/view?usp=drivesdk">https://drive.google.com/file/d/1Xr8Be7RC3JqULNFMbpsqmrP28KjdOicc/view?usp=drivesdk</a>
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-9017 25.06.2025 25.06.2025 Documentos solicitados