HUSCAP logo Hokkaido Univ. logo

Hokkaido University Collection of Scholarly and Academic Papers >
Institute for Catalysis >
Peer-reviewed Journal Articles, etc >

pi-Stacked and unstacked aggregate formation of 3,3 '-diethylthiatricarbocyanine iodide, a near-infrared dye

Files in This Item:
DTCI_NJC_r2.1.pdf947.27 kBPDFView/Open
Please use this identifier to cite or link to this item:

Title: pi-Stacked and unstacked aggregate formation of 3,3 '-diethylthiatricarbocyanine iodide, a near-infrared dye
Authors: Wang, Yue Browse this author
Wang, Rong Browse this author
Imai, Yoshitane Browse this author
Hara, Nobuyuki Browse this author
Wan, Xinhua Browse this author
Nakano, Tamaki Browse this author →KAKEN DB
Issue Date: 21-Sep-2018
Publisher: Royal Society of Chemistry
Journal Title: New journal of chemistry
Volume: 42
Issue: 18
Start Page: 14713
End Page: 14716
Publisher DOI: 10.1039/c8nj02851f
Abstract: The absorbance and fluorescence spectra of 3,3-diethylthiatricarbocyanine iodide (DTCI), a near-infrared dye, were measured in methanol and water at different concentrations. DTCI exhibited distinctive monomer and excimer (dimer) fluorescence emission bands on photo excitation in the two solvents. The monomer emission band at around 600-700 nm is unprecedented, and the dimeric nature of the typical emission band at around 750-850 nm has not been recognized in solution. In the ground state, DTCI is proposed to form -stacked and unstacked aggregates in methanol and water, respectively, at higher concentrations. The proposed unstacked aggregates in water may be of high molar mass leading to a short relaxation time in NMR analysis, which did not show clear signals.
Type: article (author version)
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 中野 環

Export metadata:

OAI-PMH ( junii2 , jpcoar_1.0 )

MathJax is now OFF:


 - Hokkaido University