(N‐doped) Carbon Nanotube Nanostructuring of the Hole Transport Electrode for Reduced Space‐Charge Accumulation in Polymer‐Fullerene Solar Cells | Zendy

Bepete George | Zendy; Khan Laila | Zendy; Chiguvare Zivayi | Zendy; Coville Neil J. | Zendy

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(N‐doped) Carbon Nanotube Nanostructuring of the Hole Transport Electrode for Reduced Space‐Charge Accumulation in Polymer‐Fullerene Solar Cells

Author(s) -

Bepete George,

Khan Laila,

Chiguvare Zivayi,

Coville Neil J.

Publication year - 2017

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201700137

Subject(s) - materials science , anode , polymer solar cell , carbon nanotube , electrode , polymer , optoelectronics , space charge , fullerene , solar cell , doping , current density , hybrid solar cell , nanotechnology , carbon fibers , composite material , chemistry , physics , electron , organic chemistry , quantum mechanics , composite number

Here, it is shown that by placing a thin film of N‐CNTs on top of the transparent ITO hole collecting electrode of a polymer solar cell, the short circuit current density and efficiency are enhanced by 25 and 50%, respectively, and the usual efficiency losses in polymer solar cells as a function of incident light illumination intensity are significantly reduced. Nanostructuring the anode improves the mobility and collection of holes toward the anode, and as a result reduces space‐charge accumulation in the polymer solar cell.

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