| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 가을 (10/09 ~ 10/10, 일산킨텍스) |
| 권호 |
33권 2호 |
| 발표분야 |
고분자 구조 및 물성 |
| 제목 |
Control of the photocurrent and open-circuit voltage in organic solar cells with ultrathin dye interlayer |
| 초록 |
Organic photovoltaic (OPV) cells can be an essential component of future global energy production because of low cost, light weight, and mechanical flexibility. We controlled short-circuit current density (Jsc) and open-circuit voltage (Voc) of the OPV cells by inserting a phthalocyanine thin layer between the donor and acceptor layers. The HOMO and LUMO levels of the three materials form a cascade energy band structure such that an exciton formed in any of the three layers will dissociate into a free electron and a hole at the interface between two organic layers. In this cascade energy band structure, additionally-generated excitons in the interfacial layer could contribute to photocurrent. Furthermore, higher ionization potential of the phthalocyanine materials compared to the donor increased the Voc. |
| 저자 |
심명선, 이지황, 김종수, 박종환, 김주현, 심치영, 조길원
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| 소속 |
포항공대 |
| 키워드 |
organic photovoltaic; phthalocyanine; photocurrent; open-circuit voltage
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| E-Mail |
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