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US 8,802,812 B2Granted
Photovoltaic polymer material, preparation method and use thereof
AssigneeOcean's King Lighting Science & Technology Co., Ltd.
InventorsMingjie Zhou, Ping Wang, Zhenhua Zhang, Lusheng Liang
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Abstract
A photovoltaic polymer material, preparation method and use thereof are provided. Said photovoltaic polymer material has the following formula (I). The photovoltaic polymer material has the thiophene-phenylene-thiophene (TPT) derivative as the basic structure unit, and by the introduction of D1 and D2 structures to modify the TPT, and the photovoltaic polymer material has the characters of higher hole mobility, narrower band gap and broader absorption region.
Claims4
A photovoltaic polymer material, having the following structural formula:
- wherein D1 is one selected from the following structures:
- D2 is one selected from the following structures:
- n is an arbitrary natural number from 6 to 20, x is an arbitrary natural number from 1 to 50, y is an arbitrary natural number from 1 to 50, 2≦x+y≦100.
Dependencies are inferred from the claim text.