Electrical characterization of fluorinated benzothiadiazole based conjugated copolymer – a promising material for high-performance solar cells | Zendy

J. Toušek | Zendy; J. Toušková | Zendy; Z. Remeš | Zendy; R. Chomutová | Zendy; Jan Čermák | Zendy; Martin Helgesen | Zendy; Jon E. Carlé | Zendy; Frederik C. Krebs | Zendy

Open Access

Electrical characterization of fluorinated benzothiadiazole based conjugated copolymer – a promising material for high-performance solar cells

Author(s) -

J. Toušek,

J. Toušková,

Z. Remeš,

R. Chomutová,

Jan Čermák,

Martin Helgesen,

Jon E. Carlé,

Frederik C. Krebs

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4939579

Subject(s) - materials science , surface photovoltage , conjugated system , work function , polymer , copolymer , electron mobility , conductivity , organic solar cell , charge carrier , polymer solar cell , diffusion , kelvin probe force microscope , characterization (materials science) , electrical resistivity and conductivity , electrode , solar cell , optoelectronics , conductive polymer , nanotechnology , composite material , chemistry , thermodynamics , spectroscopy , electrical engineering , physics , engineering , layer (electronics) , quantum mechanics , atomic force microscopy

Measurements of electrical conductivity, electron work function, carrier mobility of holes and the diffusion length of excitons were performed on samples of conjugated polymers relevant to polymer solar cells. A state of the art fluorinated benzothiadiazole based conjugated copolymer (PBDTTHD − DTBTff) was studied and benchmarked against the reference polymer poly-3-hexylthiophene (P3HT). We employed, respectively, four electrode conductivity measurements, Kelvin probe work function measurements, carrier mobility using charge extraction by linearly increasing voltage (CELIV) measurements and diffusion length determinaton using surface photovoltage measurements

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