Pentacene: PTCDI-C13H27 molecular blends efficiently harvest light for solar cell applications

Pandey, Ajay K., Dabos-Seignon, Sylvie, & Nunzi, Jean-Michel (2006) Pentacene: PTCDI-C13H27 molecular blends efficiently harvest light for solar cell applications. Applied Physics Letters, 89(11), Article number-113506.

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Solar cells exhibiting efficient photon harvesting are built from molecular blends of pentacene: PTCDI-C13H27. Absorption of the composition spans the whole visible spectrum with an onset at 730 nm. External quantum efficiency approaches unity at the peak absorption of pentacene. A 2.0% power conversion efficiency is obtained under 80 mW cm-2 AM 1.5 illumination, with 8.6 mA cm-2 short-circuit current. The comparison with bilayer devices suggests directions of improvement in conversion efficiency such as controlled growth of the blend layers.

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ID Code: 95837
Item Type: Journal Article
Refereed: Yes
Keywords: Electron absorption, Light emission, Lighting, Molecular dynamics, Photons, Quantum theory, Spectrum analysis, Molecular blends, Pentacene, Photon harvesting, Solar cell applications, Solar cells
DOI: 10.1063/1.2352800
ISSN: 0003-6951
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Electronic and Magnetic Properties of Condensed Matter; Superconductivity (020404)
Divisions: Current > Research Centres > ARC Centre of Excellence for Robotic Vision
Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 29 May 2016 22:41
Last Modified: 30 May 2016 22:22

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