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Search by tag «Research Paper» 5 results
St. Petersburg Scientists Propose a Technology That Can Reduce the Cost of High-Efficiency Solar Cells
A group of St. Petersburg scientists has proposed and experimentally tested a technology for the fabrication of high-efficiency solar cells based on A3B5 semiconductors integrated on a silicon substrate, which in the future may increase the efficiency of the existing single-junction photovoltaic converters by 1.5 times. The development of the technology was forecasted by the Nobel Laureate Zhores Alferov. The results have been published in the journal Solar Energy Materials and Solar Cells.
Scientists Propose an Inkjet Printing Technology for Battery Elements to Make Them Compact and Flexible
A group of St. Petersburg scientists has proposed a new method of manufacturing electrodes for lithium-ion batteries that power laptops, smartphones and tablets. The researchers have shown that these elements can be printed on an inkjet printer, which will reduce the electrodes’ thickness by 10–20 times and open up new opportunities for manufacturers of compact electronics. Their article has been published in the journal Energy Technology.
An international group of scientists from Russia, Germany and France, including those from ITMO University, conducted a large research at the intersection of materials science and photonics. The research is dedicated to the study of a hybrid nanostructure, a plasmonic golden sponge (Au), the pores of which are filled with crystalline silicon (Si). The peculiarity of this material is that when excited by a laser beam, nanostructures generate broadband radiation which covers the visible range of the spectrum and partially the near-infrared range. The hybrid nanostructure can be used in broadband near-field microscopy. The results of the research and its application prospects have been published in the Nanoscale journal.
ITMO University scientists in collaboration with their colleagues from the Swedish University of Agricultural Sciences (SLU University), Uppsala, Sweden, have developed biocomposites made of proteins based on natural spider silk and optically active nanoparticles. What is remarkable about the new material is that it combines the properties of natural silk fiber and synthetic particles. The biocomposite has unique mechanical characteristics and can give a detectable optical response when exposed to infrared radiation, which makes it a potential candidate for biomedical applications. This article was published in ACS Applied Materials & Interfaces.
An international group of scientists from ITMO University, University of Amsterdam, and Indian Institute of Science continue their pioneering research on crowd behavior. Based on data collected in the aftermath of the 2016 Indian religious festival Kumbh Mela, which lasted for two months and gathered more than 65 millions of pilgrims, the scientists have conducted a comprehensive analysis of how different types of obstacles impacted the flow of human crowds. The festival’s main venue attracting the largest number of pilgrims, the Mahakal Temple was chosen as a case example. Research findings were published in the Journal of Computational Science. The project was supported by the Ministry of Science and Higher Education of the Russian Federation as part of ‘Strategic research areas for Russia’s science and technology sector’ 2014-2020 federal target program.