Enhanced performance of organic solar cells with multifunctional silica-coated Au nanobowtie core-shell structure
Source abstract
Abstract
The multifunctional silica-coated Au nanobowtie (GNB@SiO2) core-shell structure was embedded in organic solar cells (OSCs), and an intense performance promotion of the devices was achieved by optimizing the shape and the size of the GNB@SiO2. The light absorption of the active layer was increased with GNB@SiO2 doping concentration increasing until the doping concentration exceeds 10 nM. The devices obtain the best J-V characteristics when GNB@SiO2 doping concentration is 10 nM. Comparing with that of the control cells, the optimal performance of the devices with GNB@SiO2 incorporated was significantly increased by 47%. The finite-difference time-domain method was used to simulate the special asymmetry shape and the size of the multifunctional GNB@SiO2 impact on the performance of the OSCs. The electric field intensity |E|2 in the different planes revealed that the local surface plasmon resonance (LSPR) and far-field scattering effect played an important role in the light absorption of the devices. The cooperation effect of LSPR near-field and the far-field scattering resulted in the electric field redistribution of the active layer as the result of the absorption enhanced.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Nanowire Synthesis and Applications · Molecular Junctions and Nanostructures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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