PMID- 23110348
OWN - NLM
STAT- PubMed-not-MEDLINE
DCOM- 20130723
LR  - 20121127
IS  - 1520-5827 (Electronic)
IS  - 0743-7463 (Linking)
VI  - 28
IP  - 47
DP  - 2012 Nov 27
TI  - Encapsulation of poly(3-hexylthiophene) J-aggregate nanofibers with an 
      amphiphilic block copolymer.
PG  - 16401-7
LID - 10.1021/la3034337 [doi]
AB  - Poly(3-hexylthiophene) (P3HT) nanofibers (NF) displaying J-aggregate exciton 
      coupling behavior are encapsulated with the amphiphilic block copolymer (BCP), 
      poly(3-hexyl-thiophene)-block-poly(ethylene-glycol), (PHT(20)-b-PEG(108)). 
      Encapsulation results in the formation of hierarchical superstructures, and the 
      BCP coating is expected to exert a mild chemical pressure on the periphery of the 
      NFs. Photoluminescence from encapsulated NF superstructures show line shape 
      distortions due to self-absorption of the 0-0 transition which is consistent with 
      preservation of J-aggregate character (intrachain order). Detailed resonance 
      Raman spectra of encapsulated BCP-NF structures show no discernible changes in 
      the P3HT aggregation state, and overtone and combination bands involving the 
      symmetric stretching C horizontal lineC (~1450 cm(-1)) and C-C (~1380 cm(-1)) backbone modes are 
      observed. These features permit quantitative estimates of vibrational 
      mode-specific excited state structural displacements using a time-dependent Raman 
      intensity analysis which is not possible from conventional vibronic analysis of 
      optical lineshapes.
FAU - Gao, Jian
AU  - Gao J
AD  - Department of Chemistry and Chemical Biology, University of New Mexico, 
      Albuquerque, New Mexico 87131, USA.
FAU - Kamps, Amanda
AU  - Kamps A
FAU - Park, So-Jung
AU  - Park SJ
FAU - Grey, John K
AU  - Grey JK
LA  - eng
PT  - Journal Article
DEP - 20121114
PL  - United States
TA  - Langmuir
JT  - Langmuir : the ACS journal of surfaces and colloids
JID - 9882736
EDAT- 2012/11/01 06:00
MHDA- 2012/11/01 06:01
CRDT- 2012/11/01 06:00
PHST- 2012/11/01 06:00 [entrez]
PHST- 2012/11/01 06:00 [pubmed]
PHST- 2012/11/01 06:01 [medline]
AID - 10.1021/la3034337 [doi]
PST - ppublish
SO  - Langmuir. 2012 Nov 27;28(47):16401-7. doi: 10.1021/la3034337. Epub 2012 Nov 14.