Improved efficiency of organic solar cells using Au NPs incorporated into PEDOT:PSS buffer layer | Zendy

Francis Otieno | Zendy; Ndivhuwo P. Shumbula | Zendy; Mildred Airo | Zendy; Mbuso Mlambo | Zendy; Nosipho Moloto | Zendy; Rudolph Erasmus | Zendy; Alexander Quandt | Zendy; Daniel Wamwangi | Zendy

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Improved efficiency of organic solar cells using Au NPs incorporated into PEDOT:PSS buffer layer

Author(s) -

Francis Otieno,

Ndivhuwo P. Shumbula,

Mildred Airo,

Mbuso Mlambo,

Nosipho Moloto,

Rudolph Erasmus,

Alexander Quandt,

Daniel Wamwangi

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4995803

Subject(s) - pedot:pss , materials science , organic solar cell , photocurrent , chemical engineering , nanoparticle , plasmon , layer (electronics) , photoactive layer , solar cell , dielectric spectroscopy , nanotechnology , polymer solar cell , optoelectronics , polymer , electrode , electrochemistry , chemistry , composite material , engineering

Au based plasmonic phenomenon inside the hole transport layer poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) of an organic solar cell based on blend of poly(3-hexylthiophene) (P3HT) and [6:6]-phenyl-C61-butyric acid (PCBM) is investigated. The concentration of the Au nanoparticles synthesized by wet chemical reduction is one of the key factors to strong light trapping when the spherical gold nanoparticles are blended into the PEDOT:PSS solution. Studies of the influence of the concentration of nanoparticles distribution in the PEDOT:PSS were carried out using UV–Vis spectroscopy and atomic force microscopy. Electrical characteristics of the pristine device and of device with metallic nanostructures were analyzed from J –V characteristics to observe the plasmonic effects on the performance in the P3HT:PCBM organic solar cells. The origin of the photocurrent enhancements with varying Au nanoparticles concentrations on PEDOT:PSS are discussed

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