Proceedings of 6th International Conference on Hybrid and Organic Photovoltaics (HOPV14)
Publication date: 1st March 2014
Within our strategic photovoltaic program, defined by “Working with SunshineTM”, Merck is interested in materials used for and in various existing photovoltaic technologies (e.g. liquid electrolytes, electrolyte components, organic hole transport materials, semiconductor polymers, etching pastes and even anti-reflective coatings). In this presentation we will focus on our development of the electrolyte materials for use in the dye-sensitised solar cells (DSSC’s) and Perovskite PV.
Both the liquid electrolyte used in the DSSC and the solid-state electrolyte used in Perovskite PV have been reported to show the highest performance when they contain a Cobalt(III) complex as a dopant in the organic hole transport layer (HTL). Following that, we investigated the application of a variety of dopants and additives to Perovskite PV with our materials in the HTL that have been used for solid-state DSSC, referred to as spiro-MeOTAD, and demonstrated PCE >12% and VOC> 1V with significantly reduced energy loss at the HTL interfaces.
Acknowledgement: This work was supported by New Energy and Industrial Technology Development Organization (NEDO), Japan within the framework of Development of Next-generation High-performance Technology for Photovoltaic Power Generation System.
IV curve under AM1.5 measured for our Perovskite PV cell.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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