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A study on the Initial Nanopore Formation in the Calix Arene Based Porogen Templated Porous Thin Film
Author(s) -
Dohun Kim,
JinHeong Yim
Publication year - 2011
Publication title -
korean chemical engineering research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.168
H-Index - 9
eISSN - 2233-9558
pISSN - 0304-128X
DOI - 10.9713/kcer.2011.49.5.669
Subject(s) - silsesquioxane , fourier transform infrared spectroscopy , materials science , nanopore , spectroscopy , thin film , x ray photoelectron spectroscopy , molecule , crystallography , chemical engineering , nanotechnology , chemistry , organic chemistry , composite material , polymer , physics , quantum mechanics , engineering
Fourier Transform Infrared Spectroscopy and in-situ Position Annihilation Lifetime Spectroscopy(PALS) analysis of hybrid film, which consist of silsesquioxane(SSQ) and 4-tert-butyl calix[4]arene-O,O`,O",O`"-tetraacetic acid tetraethyl ester(CA[4]) have been investigated in order to understand initial formation of nanopore in the next generation porous low-k dielectrics(k , while mesopores(2.5~3.0 nm) induced from self assembled CA[4] have been generated at . It might be due to highly interconnected structure of SSQ/CA[4] 20% hybrid thin film resulting in facile evacuating of decomposed fragment of CA[4] molecule.

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