Influence of solvents on the morphology of Langmuir and Langmuir–Schaefer films of PCBM and PCBM-based oligomers and polymers

Roncaselli, Lucas Kaique Martins; Silva, Edilene Assunção da; Braunger, Maria Luisa; Ramanitra, Hasina H.; Stephen, Meera; Lima, Lucas Kennedy Silva; Fernandes, José Diego; Simõis, André Vítor Santos; Constantino, Carlos J. L.; Agostini, Deuber Lincon da Silva; Bégué, Didier; Hiorns, Roger C.; Olivati, Clarissa de Almeida

doi:10.1039/d1cp05408b

Phys. Chem. Chem. Phys.

2022

DOI: 10.1039/d1cp05408b

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Influence of solvents on the morphology of Langmuir and Langmuir–Schaefer films of PCBM and PCBM-based oligomers and polymers

Lucas Kaique Martins Roncaselli

Edilene Assunção da Silva²,

Maria Luisa Braunger

et al.

Abstract: Fullerente-based polymers and oligomers combine with non-fullerene acceptors are showing extremely high efficiencies in organic photovoltaic devices. Furthermore, these materials are of interest for use in anti-cancer and anti-viral treatments,...

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Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀

de Lima Citolino,

Santos Silva,

Silva Agostini

et al. 2023

Physica Rapid Research Ltrs

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Understanding the morphology and electronic properties of poly(fullerene)s is crucial for the development of new organic devices. This work addresses the fabrication and characterization of Langmuir–Schaefer (LS) films of poly(fullerene)s based on C60 with short (HSS8) and long (HSS16) sidechains, solubilized in chloroform or xylene. In addition, density functional theory (DFT) calculations are used to optimize the molecular geometries, determine energies, and investigate the influence of solvent applied. Depending on the organic solvent, floating material isotherms indicate the formation of disordered aggregates in the aqueous subphase. The influence of solvent in LS films is also evidenced by way of atomic force microscopy (AFM), UV‐vis, and cyclic voltammetry (CV) measurements. From DFT calculations, the arms of the poly(fullerene)s start to extend from an initial position of surrounding the fullerene sphere. In AFM measurements, depending on the organic solvent, the roughness significantly reduces, while the homogeneity is much higher. In UV‐vis and CV measurements, the propensity to form aggregates depends mainly on the polarization of the solvent and is directly related to the maximum absorption, oxidation, and reduction peaks. From the optical bandgap energy values, the poly(fullerene)s studied here present high potential for application in organic electronic devices.

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Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀

de Lima Citolino,

Santos Silva,

Silva Agostini

et al. 2023

Physica Rapid Research Ltrs

View full text Add to dashboard Cite

show abstract

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Influence of solvents on the morphology of Langmuir and Langmuir–Schaefer films of PCBM and PCBM-based oligomers and polymers

Abstract: Fullerente-based polymers and oligomers combine with non-fullerene acceptors are showing extremely high efficiencies in organic photovoltaic devices. Furthermore, these materials are of interest for use in anti-cancer and anti-viral treatments,...

Cited by 1 publication

References 78 publications

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀

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Influence of solvents on the morphology of Langmuir and Langmuir–Schaefer films of PCBM and PCBM-based oligomers and polymers

Abstract: Fullerente-based polymers and oligomers combine with non-fullerene acceptors are showing extremely high efficiencies in organic photovoltaic devices. Furthermore, these materials are of interest for use in anti-cancer and anti-viral treatments,...

Cited by 1 publication

References 78 publications

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C60

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C60

Contact Info

Product

Resources

About

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀

Solvent Impact on Langmuir and Langmuir–Schaefer Films of Soluble Main‐Chain Poly(fullerene)s Based on C₆₀