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Эта публикация цитируется в 1 научной статье (всего в 1 статье)
Нанофотоника International Conference ''PCNSPA 2018 -- Photonic Colloidal Nanostructures: Synthesis, Properties, and Applications'', Saint Petersburg, Russia, June 4--8, 2018
Quantum dots improve photovoltaic properties of purple membranes under near-infrared excitation
V. A. Krivenkovab, P. S. Samokhvalova, A. A. Chistyakovc, I. Nabievad a Laboratory of Nano-Bioengineering, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
b Laboratory of Hybrid Photonic Nanomaterials, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
c Department of Physics of Micro- and Nanosystems, National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
d Laboratoire de Recherche en Nanosciences, LRN-EA4682, Université de Reims Champagne–Ardenne, 51100 Reims, France
Аннотация:
Purple membrane (PMs), in which the photosensitive protein bacteriorhodopsin (bR) naturally occurs, have photovoltaic properties and are promising for optoelectronic applications. However, PMs cannot effectively absorb light in the NIR spectral region. Semiconductor quantum dots (QDs), which have high two-photon absorption cross-sections in the NIR region, can significantly improve the light sensitivity of PMs by means of Forster resonance energy transfer (FRET) from QDs to bR inside PMs. The purpose of this study was to improve the photovoltaic properties of PMs by means of FRET from QDs to bR under NIR two-photon excitation. We made the QD-PM complexes and showed high FRET efficiency in them. Finally, we found that the current signal from the QD-PM material was higher than that in the case of PMs alone under NIR excitation. The obtained results clearly demonstrate improvement of the photovoltaic properties of PMs under NIR two-photon excitation due to the FRET from QDs to bR and show the prospect of designing new photosensitive bio-nano hybrid devices.
Поступила в редакцию: 06.07.2018
Образец цитирования:
V. A. Krivenkov, P. S. Samokhvalov, A. A. Chistyakov, I. Nabiev, “Quantum dots improve photovoltaic properties of purple membranes under near-infrared excitation”, Оптика и спектроскопия, 125:5 (2018), 679; Optics and Spectroscopy, 125:5 (2018), 747–750
Образцы ссылок на эту страницу:
https://www.mathnet.ru/rus/os861 https://www.mathnet.ru/rus/os/v125/i5/p679
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