Highly Efficient Perovskite Solar Cells Employing an Easily Attainable Bifluorenylidene‐Based Hole‐Transporting Material | Zendy

Rakstys Kasparas | Zendy; Saliba Michael | Zendy; Gao Peng | Zendy; Gratia Paul | Zendy; Kamarauskas Egidijus | Zendy; Paek Sanghyun | Zendy; Jankauskas Vygintas | Zendy; Nazeeruddin Mohammad Khaja | Zendy

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Highly Efficient Perovskite Solar Cells Employing an Easily Attainable Bifluorenylidene‐Based Hole‐Transporting Material

Author(s) -

Rakstys Kasparas,

Saliba Michael,

Gao Peng,

Gratia Paul,

Kamarauskas Egidijus,

Paek Sanghyun,

Jankauskas Vygintas,

Nazeeruddin Mohammad Khaja

Publication year - 2016

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201602545

Subject(s) - perovskite (structure) , moiety , energy conversion efficiency , reagent , materials science , perovskite solar cell , chemical engineering , solar cell , combinatorial chemistry , nanotechnology , chemistry , optoelectronics , organic chemistry , engineering

The 4,4′‐dimethoxydiphenylamine‐substituted 9,9′‐bifluorenylidene ( KR216 ) hole transporting material has been synthesized using a straightforward two‐step procedure from commercially available and inexpensive starting reagents, mimicking the synthetically challenging 9,9′‐spirobifluorene moiety of the well‐studied spiro‐OMeTAD. A power conversion efficiency of 17.8 % has been reached employing a novel HTM in a perovskite solar cells.

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