Disubstituted beta-porphyrin organic photovoltaic material as well as preparation method and application thereof

The invention belongs to the field of organic small molecule photovoltaic materials, and discloses a disubstituted beta-porphyrin organic photovoltaic material and a preparation method and application thereof. According to the disubstituted beta-site porphyrin photovoltaic material, a porphyrin ring serves as a central power supply unit, two beta sites of tetraphenylporphyrin are connected with power absorption units to synthesize target molecules, a push-pull electron effect is formed, intramolecular charge transfer and broadening absorption can be effectively enhanced, and the structural formula is shown in the specification. According to the invention, by changing the porphyrin ring and the side group of the electricity absorption unit, the absorption and energy level of molecules are effectively adjusted, and the purpose of further optimizing the material performance is achieved. The modification property of the porphyrin beta site is proved, and a new direction is provided for the molecular design of the