Sulfonated Thiophene Derivative Stabilized Aqueous Poly(3- hexylthiophene):Phenyl‑C61-butyric Acid Methyl Ester Nanoparticle Dispersion for Organic Solar Cell Applications

Subianto, S, Balu, R, de Campo, L, Sokolova, A, Dutta, N and Choudhury, N 2018, 'Sulfonated Thiophene Derivative Stabilized Aqueous Poly(3- hexylthiophene):Phenyl‑C61-butyric Acid Methyl Ester Nanoparticle Dispersion for Organic Solar Cell Applications', ACS Applied Materials and Interfaces, vol. 10, no. 50, pp. 44116-44125.


Document type: Journal Article
Collection: Journal Articles

Title Sulfonated Thiophene Derivative Stabilized Aqueous Poly(3- hexylthiophene):Phenyl‑C61-butyric Acid Methyl Ester Nanoparticle Dispersion for Organic Solar Cell Applications
Author(s) Subianto, S
Balu, R
de Campo, L
Sokolova, A
Dutta, N
Choudhury, N
Year 2018
Journal name ACS Applied Materials and Interfaces
Volume number 10
Issue number 50
Start page 44116
End page 44125
Total pages 10
Publisher American Chemical Society
Abstract Aqueous dispersions of poly(3-hexylthiophene):phenyl-C61-butyric acid methyl ester (P3HT:PCBM) nanoparticles (NPs) have been fabricated using a thiophene-based surfactant 2-(3-thienyl)ethyloxybutylsulfonate sodium salt (TEBS) for the first time via the mini-emulsion process. The use of TEBS resulted in a stable colloidal dispersion of P3HT:PCBM NPs, of which the effect of various fabrication parameters is investigated. The fabricated NPs were characterized by dynamic light scattering, scanning electron microscopy, UV-visible spectroscopy, contrast-variation small and ultra-small angle neutron scattering, and cyclic voltammetry. The internal structure and electrochemical performance of TEBS-stabilized P3HT:PCBM NPs were compared to those of sodium dodecyl sulfate-stabilized core-shell (PCBM-P3HT) NPs at the same surfactant concentration. Neutron scattering and cyclic voltammetry results reveal a homogeneous distribution of small de-mixed P3HT and PCBM domains in the internal structure of TEBS-stabilized P3HT:PCBM NPs, reminiscent of cast film. Moreover, electron microscopy images show evidence of diffused NP surface/interface upon drying (without annealing), which indicates that the thiophene-containing TEBS may improve compatibility and film-forming properties of fabricated P3HT:PCBM NPs, and consequently be more suited for conventional film-processing methods for organic solar cell applications.
Subject Materials Engineering not elsewhere classified
Nanomaterials
Keyword(s) P3HT
PCBM
TEBS
aqueous nanoparticle dispersion
small-angle neutron scattering
organic solar cells
DOI - identifier 10.1021/acsami.8b15589
Copyright notice © 2018 American Chemical Society
ISSN 1944-8244
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