| abstract |
The invention discloses a two-dimensional naphthodifuran compound and a naphthodifuran conjugated organic small molecule compound as well as a preparation method and application; the naphthodifuran conjugated organic small molecule compound contains a large rigid planar conjugated system , containing polar groups such as furan, thiophene, cyano and ester groups at the same time, it has good solubility, is easy to process, and has a wide spectral absorption and good stability. It is used as a donor material for the preparation of organic Photovoltaic devices, showing good photovoltaic performance, the photoelectric conversion efficiency of single-layer devices reaches 4.6%, and the preparation method of naphthodifuran conjugated organic small molecule compounds is simple, the conditions are easy to control, and the purification and separation are easy, which is conducive to expansion production application. |