Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
Publication date: 20th April 2022
In addition to steady-state fluorescence investigations, time-resolved photoluminescence measurements with pulsed light sources are a powerful tool to get more information about the nature, characteristics and environment of molecules and nano-structures. Their emission lifetime can be affected by various processes such as Energy Transfer (ET), charge transfer, or molecular orientation and interfaces.
The spectral region between 260 – 340 nm is significant for biology, life and materials science, as many organic and inorganic molecules and structures can be excited in this range. Whereas the photoluminescence and lifetime of these materials is very sensitive to molecule interactions or changes in it’s structure and composites.
Here we present the differences in steady state and time-resolved photoluminescence measurements when using a regular pulsed UV-LED and new pulsed high-power UV-LED with a photoluminescence spectrometer. Next to the significant enhanced photoluminescence signal by a factor of 100x, we can use the same pulsed UV-LED to detect emission lifetimes even up to milliseconds in a few minutes, which is not possible with regular pulsed LEDs.
Using these new pulsed high-power UV-LEDs for UV-absorbing nano-structures and small molecule excitation allows investigating really low concentrated solutions, thin films and even powders with short acquisition times both in steady-state as well as time-resolved measurements from picoseconds up to milliseconds.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.