Incorporation of black phosphorus into P3HT:PCBM/n-type Si devices resulting in improvement in electrical and optoelectronic performances

The effect of the incorporation of black phosphorus (BP) into poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) on the electrical conduction mechanisms in the rectifying current–voltage characteristics of P3HT:PCBM/n-type Si devices was investigated. It is found that the...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2016-11, Vol.122 (11), p.1-5, Article 974
Main Authors: Lin, Yow-Jon, Lin, Hong-Zhi, Yan, Nian-Hao, Tang, Zhi-Hui, Chang, Hsing-Cheng
Format: Article
Language:English
Subjects:
Applied physics
Butyric acid
Characterization and Evaluation of Materials
Collection
Condensed Matter Physics
Current voltage characteristics
Devices
Electrical conduction
Electrical resistivity
Emissions control
Energy conversion efficiency
Esters
Incorporation
Machines
Manufacturing
Materials science
Nanotechnology
Optical and Electronic Materials
Optoelectronic devices
Phosphorus
Physics
Physics and Astronomy
Processes
Surface roughness
Surfaces and Interfaces
Thermionic emission
Thin Films
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Summary:The effect of the incorporation of black phosphorus (BP) into poly(3-hexylthiophene):[6,6]-phenyl-C61-butyric acid methyl ester (P3HT:PCBM) on the electrical conduction mechanisms in the rectifying current–voltage characteristics of P3HT:PCBM/n-type Si devices was investigated. It is found that the forward-voltage currents are limited by thermionic emission mechanism. The incorporation of BP into P3HT:PCBM leads to a combined effect of a reduction in resistivity and an increase in the surface roughness, resulting in improvement in the electrical and optoelectronic performances of P3HT:PCBM/n-type Si devices. The findings show that high responsivity originates from the external light injection efficiency, internal power conversion efficiency, and carrier collection.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-016-0490-0