Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent: Intra- and intermolecular interactions and charge transfer emissions

In Wook Hwang; Hyo Hwi Choi; Byoung Ki Cho; Myongsoo Lee; Yong Rok Kim

doi:10.1016/S0009-2614(00)00625-4

Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent: Intra- and intermolecular interactions and charge transfer emissions

In Wook Hwang, Hyo Hwi Choi, Byoung Ki Cho, Myongsoo Lee, Yong Rok Kim

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Concentration-dependent molecular dynamics of long coil-rod-coil molecules at the concentrations of 1×10^-6 M ~1×10^-4 M in polar or non-polar solvent were investigated by steady-state excitation, fluorescence, and picosecond time-resolved fluorescence spectroscopies. The fluorescence spectra of the molecules reveal both characteristics of local excited-state emission and strong intramolecular charge-transfer (ICT) emission. The steady-state excitation spectra and the picosecond time-resolved fluorescence decay profiles in the concentrations of 5×10^-5 M and 1×10^-4 M ascertain hydrophobic rod-to-rod interaction (J-aggregation) in methanol solution. The hydrophilic intermolecular interactions (amorphous aggregation) in n-hexane are also discussed.

Original language	English
Pages (from-to)	219-224
Number of pages	6
Journal	Chemical Physics Letters
Volume	325
Issue number	1-3
DOIs	https://doi.org/10.1016/S0009-2614(00)00625-4
Publication status	Published - 2000 Jul 21

Bibliographical note

Funding Information:
This research was financially supported by CRM-KOSEF Grant 1998G0102, South Korea.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Access to Document

10.1016/S0009-2614(00)00625-4

Cite this

@article{4bd7dfe0c08645668b22f0b031db67d9,

title = "Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent: Intra- and intermolecular interactions and charge transfer emissions",

abstract = "Concentration-dependent molecular dynamics of long coil-rod-coil molecules at the concentrations of 1×10-6 M ~1×10-4 M in polar or non-polar solvent were investigated by steady-state excitation, fluorescence, and picosecond time-resolved fluorescence spectroscopies. The fluorescence spectra of the molecules reveal both characteristics of local excited-state emission and strong intramolecular charge-transfer (ICT) emission. The steady-state excitation spectra and the picosecond time-resolved fluorescence decay profiles in the concentrations of 5×10-5 M and 1×10-4 M ascertain hydrophobic rod-to-rod interaction (J-aggregation) in methanol solution. The hydrophilic intermolecular interactions (amorphous aggregation) in n-hexane are also discussed.",

author = "Hwang, {In Wook} and Choi, {Hyo Hwi} and Cho, {Byoung Ki} and Myongsoo Lee and Kim, {Yong Rok}",

note = "Funding Information: This research was financially supported by CRM-KOSEF Grant 1998G0102, South Korea. ",

year = "2000",

month = jul,

day = "21",

doi = "10.1016/S0009-2614(00)00625-4",

language = "English",

volume = "325",

pages = "219--224",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier",

number = "1-3",

}

Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent: Intra- and intermolecular interactions and charge transfer emissions. / Hwang, In Wook; Choi, Hyo Hwi; Cho, Byoung Ki et al.
In: Chemical Physics Letters, Vol. 325, No. 1-3, 21.07.2000, p. 219-224.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent

T2 - Intra- and intermolecular interactions and charge transfer emissions

AU - Hwang, In Wook

AU - Choi, Hyo Hwi

AU - Cho, Byoung Ki

AU - Lee, Myongsoo

AU - Kim, Yong Rok

N1 - Funding Information: This research was financially supported by CRM-KOSEF Grant 1998G0102, South Korea.

PY - 2000/7/21

Y1 - 2000/7/21

N2 - Concentration-dependent molecular dynamics of long coil-rod-coil molecules at the concentrations of 1×10-6 M ~1×10-4 M in polar or non-polar solvent were investigated by steady-state excitation, fluorescence, and picosecond time-resolved fluorescence spectroscopies. The fluorescence spectra of the molecules reveal both characteristics of local excited-state emission and strong intramolecular charge-transfer (ICT) emission. The steady-state excitation spectra and the picosecond time-resolved fluorescence decay profiles in the concentrations of 5×10-5 M and 1×10-4 M ascertain hydrophobic rod-to-rod interaction (J-aggregation) in methanol solution. The hydrophilic intermolecular interactions (amorphous aggregation) in n-hexane are also discussed.

AB - Concentration-dependent molecular dynamics of long coil-rod-coil molecules at the concentrations of 1×10-6 M ~1×10-4 M in polar or non-polar solvent were investigated by steady-state excitation, fluorescence, and picosecond time-resolved fluorescence spectroscopies. The fluorescence spectra of the molecules reveal both characteristics of local excited-state emission and strong intramolecular charge-transfer (ICT) emission. The steady-state excitation spectra and the picosecond time-resolved fluorescence decay profiles in the concentrations of 5×10-5 M and 1×10-4 M ascertain hydrophobic rod-to-rod interaction (J-aggregation) in methanol solution. The hydrophilic intermolecular interactions (amorphous aggregation) in n-hexane are also discussed.

UR - http://www.scopus.com/inward/record.url?scp=0000593992&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0000593992&partnerID=8YFLogxK

U2 - 10.1016/S0009-2614(00)00625-4

DO - 10.1016/S0009-2614(00)00625-4

M3 - Article

AN - SCOPUS:0000593992

SN - 0009-2614

VL - 325

SP - 219

EP - 224

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-3

ER -

Molecular dynamics of coil-rod-coil molecules depending on their concentrations in polar or non-polar solvent: Intra- and intermolecular interactions and charge transfer emissions

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this