Ten donor-acceptor based (D-A) cyano-stilbene derivatives were synthesized and their structure was confirmed by 1H NMR, GC-MS, FT-IR. The absorption was calculated by UV-visible spectrometer. From the UV-Vis study, stilbenes are having broad and strong absorption in the UV-visible region. The strong and broad absorption in the UV-visible region is the desired property for the high power conversion efficiency organic photovoltaic cells.
- Organic photovoltaic
- Power conversion efficiency