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논문 기본 정보

자료유형
학술저널
저자정보
Seungsun Choi (Kangwon National University) Hyunbok Lee (Kangwon National University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.33 No.4
발행연도
2024.7
수록면
87 - 90 (4page)

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초록· 키워드

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Poly(3,4-ethylenedioxythiophene)−polystyrene sulfonate (PEDOT:PSS) has been extensively investigated as a polymeric electrode material for flexible, stretchable electronic devices. The addition of dimethyl sulfoxide (DMSO) increases the conductivity of PEDOT:PSS. However, the addition can also alter the surface electronic structure and affect its energy-level alignment with organic semiconductors, which is crucial for device performance. In this study, the impact of DMSO on the energy-level alignment of the PEDOT:PSS/C<SUB>60</SUB> interface was investigated. Insitu ultraviolet and X-ray photoelectron spectroscopy analyses revealed that DMSO increases the work function of PEDOT:PSS by 0.15 eV and alters the electron and hole-injection barriers to C<SUB>60</SUB>. In pristine PEDOT:PSS, the electron and hole-injection barriers were 0.72 and 1.53 eV, respectively. In DMSO-modified PEDOT:PSS, these barriers were 0.81 and 1.44 eV, respectively. These results highlight the effect of additive modifications on the energy-level alignment of PEDOT:PSS.

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ABSTRACT
1. Introduction
2. Experimental details
3. Results and discussion
4. Conclusion
References

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