Composite electrode based on inorganic metal salt interfacial material and organic solar cell
CN116598066BActive Publication Date: 2026-08-28ZHEJIANG UNIV
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Patent Information
- Application Number
- CN202310600798.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-05-25
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2043-05-25
AI Technical Summary
Technical Problem
在有机太阳电池中，目前使用的阳极界面修饰材料局限于导电聚合物PEDOT:PSS等，然而，PEDOT:PSS具有较强的酸性和吸湿性；同时，PEDOT:PSS由于两相间具有极性差异，易发生热致相分离，严重影响有机太阳能电池的稳定性
Benefits of technology
[0020]本发明利用一步简单合成方法，利用废弃电子材料制备了InCl3无机金属盐小分子界面修饰材料。通过调节表面氯含量，在ITO表面可以形成不同的界面偶极，改变ITO的能级排布。以修饰过的ITO作为有机太阳电池的阳极时，可有效提高有机太阳电池的性能。修饰可以提升ITO的功函，使ITO的导带与有机聚合物给体的HOMO能级更加匹配，降低空穴传输势垒，提高了界面处载流子的提取率，减少载流子的复合。
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Abstract
The application discloses a kind of composite electrode and organic solar cell based on inorganic metal salt interface material, belong to energy material field.The interface modification material indium trichloride InCl3 of the present application is obtained by one-step synthesis of NH4Cl powder and indium tin oxide powder.The interface modification material is modified to the surface of indium tin oxide through chemical-physical effect, optimizes interface work function, reduces hole transport barrier, and improves the photoelectric conversion efficiency and stability of solar cell device.Compared with the traditional PEDOT: PSS interface modification layer material, the efficiency of solar device based on interface modification material InCl3 is increased from 18.39% to 18.92%.In addition, the efficiency of the device prepared after the electrode modified with the material is continuously subjected to thermal stress for 1080h can still maintain more than 90% of the initial value.
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