Title : Ultrafast charge photogeneration dynamics in ground-state charge-transfer complexes based on conjugated polymers.

Pub. Date : 2008 Nov 6

PMID : 18842009






4 Functional Relationships(s)
Download
Sentence
Compound Name
Protein Name
Organism
1 After excitation of the CTC band, an immediate (<100 fs) electron transfer is observed from the polymer chain to the acceptor with the same yield as in the MEH-PPV/PCBM blend. PCBM epoxide hydrolase 1 Homo sapiens
2 For comparison, the recombination efficiency obtained in the MEH-PPV/PCBM blend does not exceed a mere 50%. PCBM epoxide hydrolase 1 Homo sapiens
3 In contrast, in the MEH-PPV/PCBM blend the dipole moment orientation of the charge-induced transition is less correlated with the polarization of the excitation photon. PCBM epoxide hydrolase 1 Homo sapiens
4 According to these data, photogeneration and recombination of charges in the CTCs take place locally (i.e., within a single pair of a polymer conjugation segment and an acceptor) while in the MEH-PPV/PCBM blend exciton migration precedes the separation of charges. PCBM epoxide hydrolase 1 Homo sapiens