Transparent Conductive Oxide-Free Graphene-Based Perovskite Solar Cells with over 17% Efficiency

Highly efficient transparent conductive oxide (TCO)‐free perovskite (CH3NH3PbI3) solar cells are demonstrated by using a graphene transparent anode and organic carrier transport materials. By adding a few nanometer‐thick MoO3 layer, wettability and work function of the graphene electrode are enhance...

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Veröffentlicht in:	Advanced energy materials 2016-02, Vol.6 (3), p.np-n/a
Hauptverfasser:	Sung, Hyangki, Ahn, Namyoung, Jang, Min Seok, Lee, Jong-Kwon, Yoon, Heetae, Park, Nam-Gyu, Choi, Mansoo
Format:	Artikel
Sprache:	eng
Schlagworte:	Carrier transport Electrodes Energy conversion efficiency Graphene graphene electrodes high efficiency Oxides perovskite solar cells Perovskites Photovoltaic cells Solar cells Solar generators TCO-free solar cells Wettability
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Beschreibung
Zusammenfassung:	Highly efficient transparent conductive oxide (TCO)‐free perovskite (CH3NH3PbI3) solar cells are demonstrated by using a graphene transparent anode and organic carrier transport materials. By adding a few nanometer‐thick MoO3 layer, wettability and work function of the graphene electrode are enhanced to enable a 17.1% power conversion efficiency, which is so far the highest efficiency for TCO‐free solar cells.
ISSN:	1614-6832 1614-6840
DOI:	10.1002/aenm.201501873