Abstract
Photovoltaic properties of double-layer iso-type heterostructures based on pentacene, hexathiopentacene, and lead-phthalocyanine are studied. The heterostructures are prepared by thermal deposition on glass substrates at various substrate temperatures (T s ). Under modulated illumination, the sign reversal is observed in photovoltage spectra of pentacene/lead-phthalocyanine heterostructures deposited at T s = 300 K. The properties of these structures are well described by the van Opdorp model for inorganic iso-type heterojunctions. No sign reversal has been observed in pentacene/lead-phthalocyanine, pentacene/hexathiopentacene, and hexathiopentacene/lead-phthalocyanine heterostructures deposited at T s = 370 K, the magnitudes of photovoltage being higher than those in structures prepared at T s = 300 K.
| Original language | English |
|---|---|
| Pages (from-to) | 138-151 |
| Journal | Molecular Crystals and Liquid Crystals |
| Volume | 496 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2008 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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