Materials 2010, 3(6), 3625-3641; https://doi.org/10.3390/ma3063625
Preparation and Characterization of New Inclusion Compounds Using Stable Nitroxide Radicals and an Organic 1-D Nanochannel as a Template
1
Department of Chemistry, College of Humanities and Sciences, Nihon University / 3-25-40, Sakura-jo-sui, Segataya-ku, Tokyo, 156-8550, Japan
2
Graduate School of Science, Osaka University / 1-1, Machikaneyama-cho, Toyonaka, Osaka, 560-0043, Japan
*
Author to whom correspondence should be addressed.
Received: 16 March 2010 / Accepted: 8 June 2010 / Published: 9 June 2010
Abstract
A new inclusion compound (IC) using di-t-buthyl nitroxide (DBNO) radical and tris(o-phenylenedioxy)cyclotriphosphazene (TPP) (1), which has an organic one-dimensional (1-D) nanochannel in the crystal, is reported. According to the characterization using thermogravimetric analysis (TG), ESR measurements, etc., the composition of the inclusion compound was assigned as TPP:DBNO = 1:0.62. The narrowing of the isotropic ESR adsorption line of 1 was observed with a temperature increase from 103 K to room temperature. The line shape indicated a type of 1-D spin diffusion as observed in our previous study of the IC using TPP and 2,2,6,6-tetramethyl-1-piperidinyloxyl (TEMPO). View Full-TextKeywords:
TPP; ESR; inclusion compound; organic radical; 1-D spin chain; organic magnet
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Kobayashi, H.; Asaji, T.; Tani, A. Preparation and Characterization of New Inclusion Compounds Using Stable Nitroxide Radicals and an Organic 1-D Nanochannel as a Template. Materials 2010, 3, 3625-3641.
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