Solution Processed Vanadium Pentoxide as Charge Extraction Layer for Organic Solar Cells | Zendy

Zilberberg Kirill | Zendy; Trost Sara | Zendy; Schmidt Hans | Zendy; Riedl Thomas | Zendy

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Solution Processed Vanadium Pentoxide as Charge Extraction Layer for Organic Solar Cells

Author(s) -

Zilberberg Kirill,

Trost Sara,

Schmidt Hans,

Riedl Thomas

Publication year - 2011

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201100076

Subject(s) - pedot:pss , materials science , pentoxide , vanadium , organic solar cell , fullerene , annealing (glass) , energy conversion efficiency , chemical engineering , work function , polymer , extraction (chemistry) , layer (electronics) , optoelectronics , nanotechnology , chromatography , composite material , organic chemistry , metallurgy , chemistry , engineering

Solution processed V 2 O 5 films prepared via a sol‐gel technique are used to replace PEDOT:PSS as hole extraction interlayers in polymer:fullerene solar cells. A high work function of 5.6 eV is found for the V 2 O 5 layers without any post‐processing (annealing or plasma treatment). A power conversion efficiency (PCE) of 3%, comparable to reference devices using PEDOT:PSS is verified. Concomitantly, a substantial improvement in device stability is demonstrated.

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