Proceedings of nanoGe Fall Meeting19 (NFM19)
DOI: https://doi.org/10.29363/nanoge.nfm.2019.001
Publication date: 18th July 2019
The recent rapid demand for large-volume X-ray and γ-ray spectrometers and imaging
arrays have triggered tremendous opportunities in the field of astronomy and high energy
physics, nuclear medicine, industrial on-line monitoring, and national security. The large
mobility and carrier lifetime of perovskite single crystals and the high atomic numbers of Pb,
I and Br make them ideal for X-ray and γ-ray detection. Here, we report centimeter-sized
detector-grade APbBr3 (A=Methylammonium, Cs) perovskite crystals grown using solution
method. The resulting single crystals exhibited high X-ray sensitivity and mobility lifetime
products (μτ). In addition, we demonstrate a potential candidate the 0-D perovskite material
Cs2TeI6 grown by electrostatic assisted spray (E-spray) deposition, as a sensitive all-inorganic
X-ray photoconductor for direct photon-to-current conversion X-Ray detectors. The
electrospray apparatus can be readily automated and fully integrated with the existing display
systems based on TFT or CMOS, which will help to implement and scale up this device for
manufacturing next generation of flat panel X-ray imagers.
nanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.
Previously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.
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