TY - JOUR
T1 - Doped β-carotene films
T2 - spinless charge storage stabilized by structural relaxation
AU - Ehrenfreund, E.
AU - Moses, D.
AU - Heeger, A. J.
AU - Cornil, J.
AU - Brédas, J. L.
N1 - Funding Information:
sions, Dr. Yong Cao for help with the AsF5 doping, and K. Lee for providing the mid-infrared spectra. This research was supported by a grant from the National Science Foundation, NSF-PDMR89-15207. EE acknowledges support from the US-Israel Binational Science Foundation (BSF), Jerusalem (Israel). The work at Mons has been supported partly by SPPS (Contract IT/SC/22), the "Pole d'Attraction Interuniversitaire en Chimie Supramoleculaire et Catalyse", and an IBM Academic Joint Study. The collaboration between UCSB and Mons is supported by international NSF/FNRS grants.
PY - 1992/8/7
Y1 - 1992/8/7
N2 - We show that soliton-like charge storage configurations are formed in β-carotene upon p-doping by intermolecular charge transfer. The charge storage states are characterized by a single-intragap absorption band, by zero spin, and by significant structural (bond length) relaxation. The similarity to the charged solitons observed in trans-polyacetylene demonstrates the important role of solitons in finite conjugated chains.
AB - We show that soliton-like charge storage configurations are formed in β-carotene upon p-doping by intermolecular charge transfer. The charge storage states are characterized by a single-intragap absorption band, by zero spin, and by significant structural (bond length) relaxation. The similarity to the charged solitons observed in trans-polyacetylene demonstrates the important role of solitons in finite conjugated chains.
UR - http://www.scopus.com/inward/record.url?scp=0002080268&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0002080268&partnerID=8YFLogxK
U2 - 10.1016/0009-2614(92)85933-2
DO - 10.1016/0009-2614(92)85933-2
M3 - Article
AN - SCOPUS:0002080268
VL - 196
SP - 84
EP - 90
JO - Chemical Physics Letters
JF - Chemical Physics Letters
SN - 0009-2614
IS - 1-2
ER -