Reduced Surface Roughness of P3HT: PCBM Thin Films with Different Ratios by Electrospray Deposition Methods

Takeshi FUKUDA; Kenji TAKAGI; Norihiko KAMATA; Jungmyoung JU; Yutaka YAMAGATA

doi:10.1587/transele.E96.C.362

Special Section on Recent Progress in Molecular and Organic Devices

Reduced Surface Roughness of P3HT: PCBM Thin Films with Different Ratios by Electrospray Deposition Methods

Takeshi FUKUDA, Kenji TAKAGI, Norihiko KAMATA, Jungmyoung JU, Yutaka YAMAGATA

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Keywords: electrospray deposition, organic photovoltaic cell, additive solvent, surface roughness

JOURNAL RESTRICTED ACCESS

2013 Volume E96.C Issue 3 Pages 362-364

DOI https://doi.org/10.1587/transele.E96.C.362

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Abstract

We demonstrated the reduced surface roughness of poly (3-hexylthiophene) (P3HT): (6,6)-phenyl-C61-butyric acid methyl ester (PCBM) thin films with different ratios fabricated by the electrospray deposition (ESD) method. Aggregated structures were observed at the lower voltage, and the uniformity became bad at the higher voltage. Anyway, the minimum root mean square (RMS) roughness was 1.46nm by optimizing the applied voltage.

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