Comparison of Hybrid Blends for Solar Cell Application

Energies

Maria C. Lechmann¹  Dominik Koll³  Daniel Kessler²  Patrick Theato²  Wolfgang Tremel³ 

[1] Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany; E-Mail:;Institute for Organic Chemistry, Johannes Gutenberg University, Duisbergweg 10-14, 55099 Mainz, Germany; E-Mails:;Institute for Inorganic Chemistry and Analytical Chemistry, Johannes Gutenberg University, Duisbergweg 10-14, 55099 Mainz, Germany; E-Mails:

关键词: hybrid solar cell;    P3HT;    PTPA;    ambient condition;   

DOI  :  10.3390/en3030301

来源: mdpi

【 摘 要 】

In blended hybrid systems distinct micro- or nanostructured materials can be formed by phase separation. Network structures of particles or rods in a polymer matrix can be developed via self-assembly. We use this blending approach to compare active materials for application in solar cell devices. Blends were fabricated from either poly(hexylthiophene) P3HT or poly(triphenylamine) PTPA mixed with nanocrystalline TiO₂ rods. In this manner, we compare two different hole conducting polymers in their performance in photovoltaic devices, while experimental conditions are kept identical. We find that the choice of solvent and photovoltaic characterization conducted in inert atmosphere is of importance for blends prepared from P3HT/TiO₂ blends, but not for PTPA/TiO₂ blends. Even though prepared with the same TiO₂ rods, solar cells prepared from PTPA blends showed an enhanced efficiency when measured under ambient conditions. Furthermore, the PTPA/TiO₂ showed higher long-term stability.

【 授权许可】

CC BY   
© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.