High‐Efficiency, Vacuum‐Deposited, Small‐Molecule Organic Tandem and Triple‐Junction Photovoltaic Cells | Zendy

Che Xiaozhou | Zendy; Xiao Xin | Zendy; Zimmerman Jeramy D. | Zendy; Fan Dejiu | Zendy; Forrest Stephen R. | Zendy

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High‐Efficiency, Vacuum‐Deposited, Small‐Molecule Organic Tandem and Triple‐Junction Photovoltaic Cells

Author(s) -

Che Xiaozhou,

Xiao Xin,

Zimmerman Jeramy D.,

Fan Dejiu,

Forrest Stephen R.

Publication year - 2014

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.201400568

Subject(s) - tandem , materials science , organic solar cell , energy conversion efficiency , triple junction , photovoltaic system , optoelectronics , fullerene , absorption (acoustics) , small molecule , layer (electronics) , band gap , nanotechnology , polymer , organic chemistry , chemistry , ecology , composite material , biology , biochemistry

High‐efficiency, vacuum‐deposited small‐molecule organic tandem and triple‐junction photovoltaic cells are demonstrated. The devices are composed of two sub‐cells with minimal absorption spectral overlap. A nearly transparent fullerene/wide‐energy gap organic mixture is introduced as the interconnecting blocking layer to further reduce cell losses. A power conversion efficiency of 10.0% is achieved for the tandem cell and 11.1% is achieved for a triple‐junction cell.

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