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- Title
Effects of p-Type Nickel Oxide Semiconductor and Gold Bilayer on Highly Efficient Polymer Solar Cell.
- Authors
Park, Jeong-Woo; Shin, Sang-Chul; Shim, Jae Won
- Abstract
In this study, we report a new hole-collecting interlayer ( HCI) comprising NiO/Au/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) ( PEDOT: PSS) for poly(3-hexylthiophene) ( P3HT) and phenyl- C61-butyric acid methyl ester ( PCBM)-based polymer solar cells ( PSCs). The insertion of a bilayer of NiO/Au between indium tin oxide ( ITO) and PEDOT: PSS improves the photocurrent generation of the PSCs. The NiO layer provides an intermediate step energy level between ITO and PEDOT: PSS, leading to enhanced hole collection. The ultrathin Au induces a surface plasmon resonance effect, allowing more photons to be absorbed by the photoactive layer and improving the hole-collecting properties by planarizing and doping the NiO. The PSCs with the NiO/Au/ PEDOT: PSS HCIs yield a power-conversion efficiency of 3.9 ± 0.2%, which is approximately 15% higher than that of PSCs with a PEDOT: PSS-only HCI, under a simulated air mass 1.5 global (G) 100 mW/cm2 illumination.
- Subjects
SOLAR cells; METHYL formate; INDIUM tin oxide; ENERGY levels (Quantum mechanics); SEMICONDUCTOR doping
- Publication
Bulletin of the Korean Chemical Society, 2016, Vol 37, Issue 10, p1652
- ISSN
0253-2964
- Publication type
Article
- DOI
10.1002/bkcs.10923