Photoinduced Electron Injection from Zinc Phthalocyanines into Zinc Oxide Nanorods: Aggregation Effects

Autor: Tomás Torres, Nikolai V. Tkachenko, Lara Tejerina, V. Golovanov, Mine Ince, Maxence Urbani, Hanna Hakola, M. Victoria Martínez-Díaz, Kirsi Virkki, Viktoria Golovanova

Publikováno v: Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
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Phthalocyanines (Pc) are well-known light-harvesting compounds. However, despite the tremendous efforts on phthalocyanine synthesis, the achieved energy conversion efficiencies for Pc-based dye-sensitized solar cells are moderate. To cast light on th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d33f98e826649ab7975ca2d701dde99c
https://doi.org/10.1021/acs.jpcc.7b01562

Comparison of electron injection and recombination on TiO2 nanoparticles and ZnO nanorods photosensitized by phthalocyanine

Autor: Nikolai V. Tkachenko, Kirsi Virkki, Mine Ince, E. Tervola, Tomás Torres

Publikováno v: Repositorio Institucional del Instituto Madrileño de Estudios Avanzados en Nanociencia
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Royal Society Open Science
Royal Society Open Science, Vol 5, Iss 7 (2018)
Biblos-e Archivo. Repositorio Institucional de la UAM

Titanium dioxide (TiO2) and zinc oxide (ZnO) semiconductors have similar band gap positions but TiO2performs better as an anode material in dye-sensitized solar cell applications. We compared two electrodes made of TiO2nanoparticles and ZnO nanorods

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1eabf16f96ff3feaf15b3743da743ce2
https://trepo.tuni.fi/handle/10024/126601

Photoinduced Electron Transfer in CdSe/ZnS Quantum Dot–Fullerene Hybrids

Autor: Sinem Demir, Nikolai V. Tkachenko, Kirsi Virkki, Helge Lemmetyinen

Publikováno v: The Journal of Physical Chemistry C. 119:17561-17572

Photoinduced electron transfer (ET) in CdSe/ZnS core–shell quantum dot (QD) – fullerene (COOH–C60) hybrids was studied by the means of time-resolved emission and absorption spectroscopy techniques. A series of four QDs with emission in the rang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4e7c2ffc26e89039c9c72e5a7ffcbeb
https://doi.org/10.1021/acs.jpcc.5b04251

Excited State Intramolecular Proton Transfer in π-Expanded Phenazine-Derived Phenols

Autor: Daniel T. Gryko, Bartłomiej Sadowski, Helge Lemmetyinen, Nikolai V. Tkachenko, Joanna Piechowska, Kirsi Virkki

Publikováno v: The Journal of Physical Chemistry A. 118:144-151

Two previously inaccessible analogs of 10-hydroxybenzo[h]quinoline were prepared via a straightforward strategy comprising the formation of π-expanded phenazines skeleton followed by C-H acetoxylation at position 10. Two bis-phenols possessing C2 an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cce352f54c36cabc8abdd6e00e4cb6b0
https://doi.org/10.1021/jp411395c

Organic-Semiconductor Quantum Dot Hybrids: Controlling Photoinduced Energy and Electron Transfer

Autor: Nikolai V. Tkachenko, Kirsi Virkki, Maedeh Arvani, Kati Stranius, Alexander Efimov, Donald Lupo

Publikováno v: ECS Meeting Abstracts. :995-995

Self-assembled monolayes of photoactive compounds on semiconductor surfaces have been a subject of active research for a few decades already [1]. Apart from fundamental interest in electronic interactions at organic-semiconductor interfaces, the driv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efbec87f2c7bac1eaccb4112e365d299
https://doi.org/10.1149/ma2015-01/11/995