초록 |
Organic solar cells is a technique to show the rapid growth of renewable energy technologies of interest with the advent of the energy crisis and environment. Organic solar cells have the potential advantage of application flexibility and price competitiveness, the process is very high. Most pressing issues is the improvement of efficiency in technology development issues of organic solar cell. To overcome this absorption limitation, synthesizing new low band gap materials is planned to improve PCE of organic solar cells. Commonly, low band gap molecules consist of D (electron-donating unit) and A (electron-accepting unit) alternative structure. In this work, we have synthesized new low band gap A-D-A type molecules, and their optical and electrochemical properties will be presented along with their application to organic solar cells. |