1,4,5,8-Naphthalenetetracarboxylic dianhydride as transparent electron transport material in organic p-i-n solar cells | Zendy

Christiane Falkenberg | Zendy; Christian Uhrich | Zendy; B. Maennig | Zendy; Moritz Riede | Zendy; Karl Leo | Zendy

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1,4,5,8-Naphthalenetetracarboxylic dianhydride as transparent electron transport material in organic p-i-n solar cells

Author(s) -

Christiane Falkenberg,

Christian Uhrich,

B. Maennig,

Moritz Riede,

Karl Leo

Publication year - 2008

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.782340

Subject(s) - organic solar cell , materials science , exciton , optoelectronics , doping , conductivity , electron mobility , chemistry , polymer , condensed matter physics , composite material , physics

The transparent electron transport material NTCDA (1,4,5,8-naphthalenetetracarboxylic dianhydride) was examined in order to find a suitable substitute for C₆₀ which is today often used in small molecular organic solar cells as transport layer. Due to its wide band gap, NTCDA does not absorb in the visible range and is furthermore exciton blocking. By doping with AOB (acridine orange base), its conductivity was raised to about 1 · 10⁻⁴S/cm. It can therefore simultaneously be used as electron transport material and optical spacer in p-i-n type solar cells, leading to power conversion efficiencies of up to 2.83%. Additionally, an investigation of the surface morphology using AFM was performed

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