PCBH, Phenyl-C61-butyric acid hexyl ester is a fullerene derivative of C60 that is used as an electron acceptor material in organic photovoltaic (OPV) solar cells. It is more soluble than PCBM, which makes it more desirable when higher concentrations of the acceptor unit are required. The higher solubility and longer carbon chain also makes PCBH more compatible with polymers so that phase separations can be better controlled, resulting in improved film morphology and higher performing OPV devices.
PCB-Cn (n = 4, 6, 8) have been also a popular candidate for perovskite solar cells applications.
ITO/PEDOT:PSS (80 nm)/p-TPD (20 nm)/CH3NH3PbI3 (320 nm)/PCBM (50 nm)/Ba:Ag 
ITO/PEDOT:PSS (80 nm)/p-TPD (20 nm)/CH3NH3PbI3(320 nm)/PCBH (50 nm)/Ba:Ag 
|JSC (mA cm-2)||15.68||15.92|
|JSC (mA cm-2)||10.4|
Note: We also have PCBB (Phenyl-C61-butyric acid butyl ester) available, please enquire for information if interested.
|Molecular weight||981.01 g/mol|
|HOMO/LUMO||No data available; comparable to PCBM (HOMO 6.1 = eV, LUMO = 3.7 eV)|
|Synonyms||PCBH, PCBH, PCB-C6, Phenyl-C61-butyric acid hexyl ester, [6,6]-Phenyl-C61 butyric acid hexyl ester|
|Classification / Family||Fullerene derivatives, Electron transport materials (ETM), Acceptor materials, Organic photovoltaics (OPV), Organic electronics|
|Melting point / Thermal analysis||
Differential Scanning Calorimetry (DSC): Tg = 60.9 oC
|Colour||Dark brown powder|
Literature and Reviews
- Fullerene imposed high open-circuit voltage in efficient perovskite based solar cells, L. Gil-Escrig et al., J. Mater. Chem. A, 4, 3667 (2016); DOI: 10.1039/c5ta10574a.
- IMPROVEMENT OF EFFICIENCY OF POLYMER SOLAR CELLS WITH SOLUBLE FULLERENE DERIVATIVES, H-J. Lee et al., IEEE, 233-235 (2006).
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