Perovskite solar cell hole transport material

Spiro-MeOTAD [Spirokite-NS] is widely used as an organic p-type semiconductor material for perovskite solar cells and dye-sensitized solar cells [DSSC].

Structural formula

Perovskite solar cell hole transport material

Basic information

Chemical name 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene
CAS number 207739-72-8
Molecular formula C81H68N4O8
Molecular weight 1225.43 g/㏖

Standard value

Appearance White or pale yellow crystals
Purity ≧99.9%（HPLC）
Loss on drying ≦0.1%
Tg（DSC） 125℃
melting point（DSC） 251℃
Energy level HOMO：-4.81 eV、LUMO：-1.85 eV

Not guaranteed value.

Application to perovskite solar cells

Power Conversion Efficiency (PCE) 16.7%
Current Density: Jsc 21.2 mA/㎠
Open-circuit Voltage: Voc 1.06V
Fill Factor (FF) 0.74

Device architectures(FTO/cTiO2/mesoTiO2/MAPbI3/Spirokite-NS/Au)
Cell size 0.12㎠

IV curve
I-V 曲線

Application examples

  • Perovskite solar cells
  • Dye-sensitized solar cells
  • Organic thin film solar cells
  • Organic EL elements
Perovskite Solar Cells Special site

The following pages provide an easy-to-understand explanation of perovskite solar cells, their role as a next-generation renewable energy source, and their current status and challenges, using figures and graphs.

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