Low Band-Gap Conjugated Polymers with Strong Interchain Aggregation and Very High Hole Mobility Towards Highly Efficient Thick-Film Polymer Solar Cells

Low Band-Gap Conjugated Polymers with Strong Interchain Aggregation and Very High Hole Mobility Towards Highly Efficient Thick-Film Polymer Solar Cells

Absorption spectra of polymer FBT‐Th4(1,4) (M n = 46.4 Kg/mol, E g = 1.62 eV, and HOMO = –5.36 eV) indicate strong interchain aggregation ability. High hole mobilities up to 1.92 cm2(V s)–1 are demonstrated in OFETs fabricated under mild conditions. Inverted solar cells with active layer thicknesses...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Weinheim) 2014-04, Vol.26 (16), p.2586-2591
Hauptverfasser: Chen, Zhenhui, Cai, Ping, Chen, Junwu, Liu, Xuncheng, Zhang, Lianjie, Lan, Linfeng, Peng, Junbiao, Ma, Yuguang, Cao, Yong
Format: Artikel
Sprache:eng
Schlagworte:
Absorption spectra
Agglomeration
fluorinated conjugated polymers
Hole mobility
interchain aggregation
inverted polymer solar cells
organic field-effect transistors
Photovoltaic cells
Polymers
Solar cells
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:Absorption spectra of polymer FBT‐Th4(1,4) (M n = 46.4 Kg/mol, E g = 1.62 eV, and HOMO = –5.36 eV) indicate strong interchain aggregation ability. High hole mobilities up to 1.92 cm2(V s)–1 are demonstrated in OFETs fabricated under mild conditions. Inverted solar cells with active layer thicknesses ranging from 100 to 440 nm display PCEs exceeding 6.5%, with the highest efficiency of 7.64% achieved with a 230 nm thick active layer.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201305092