Decoupling optical and electronic optimization of organic solar cells using high-performance temperature-stable TiO2/Ag/TiO2 electrodes | Zendy

Kwang-Dae Kim | Zendy; Thomas Pfadler | Zendy; Eugen Zimmermann | Zendy; Yuyi Feng | Zendy; James A. Dorman | Zendy; Jonas Weickert | Zendy; Lukas SchmidtMende | Zendy

Open Access

Decoupling optical and electronic optimization of organic solar cells using high-performance temperature-stable TiO2/Ag/TiO2 electrodes

Author(s) -

Kwang-Dae Kim,

Thomas Pfadler,

Eugen Zimmermann,

Yuyi Feng,

James A. Dorman,

Jonas Weickert,

Lukas SchmidtMende

Publication year - 2015

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4933414

Subject(s) - materials science , organic solar cell , indium tin oxide , photocurrent , electrode , optoelectronics , decoupling (probability) , energy conversion efficiency , photovoltaics , indium , thin film , photovoltaic system , nanotechnology , polymer , composite material , electrical engineering , chemistry , control engineering , engineering

An electrode structured with a TiO2/Ag/TiO2 (TAT) multilayer as indium tin oxide (ITO) replacement with a superior thermal stability has been successfully fabricated. This electrode allows to directly tune the optical cavity mode towards maximized photocurrent generation by varying the thickness of the layers in the sandwich structure. This enables tailored optimization of the transparent electrode for different organic thin film photovoltaics without alteration of their electro-optical properties. Organic photovoltaic featuring our TAT multilayer shows an improvement of ∼12% over the ITO reference and allows power conversion efficiencies (PCEs) up to 8.7% in PTB7:PC71BM devices

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