Enhancing Hybrid Solar Cell Performance with Conducting Polymer Thin Films Deposited by Oxidative Chemical Vapor Deposition

Guancheng Li, Varun S. Prasath, David Angel Trujillo, Kenneth K. S. Lau and Robert L. Opila ()
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Guancheng Li: Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
Varun S. Prasath: Department of Chemical Engineering, Rowan University, Glassboro, NJ 08033, USA
David Angel Trujillo: Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
Kenneth K. S. Lau: Department of Chemical Engineering, Rowan University, Glassboro, NJ 08033, USA
Robert L. Opila: Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA

Energies, 2025, vol. 18, issue 21, 1-10

Abstract: Hybrid solar cells, which combine inorganic and organic materials, offer a promising pathway to achieve low cost, flexible, high-performance photovoltaic devices. This work explores the application of oxidative chemical vapor deposition (oCVD) to deposit poly(3,4-ethylenedioxythiophene) (PEDOT) as a transparent hole transfer layer in hybrid solar cells. Unlike solution-processed PEDOT with polystyrene sulfonate solubilizer (PEDOT:PSS), oCVD allows for growing high-purity PEDOT that provides conformal coverage on textured substrates, enabling enhanced antireflective effects and improved charge extraction. We discuss the advantages of oCVD PEDOT in hybrid architecture, its compatibility with textured substrates, and its potential to achieve higher efficiency.

Keywords: solar cells; photovoltaics; oCVD; PEDOT; heterojunction (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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