Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Irén Juhász Junger"'
Autor:
Christian Hellert, Christian Klemt, Uta Scheidt, Irén Juhász Junger, Eva Schwenzfeier-Hellkamp, Andrea Ehrmann
Publikováno v:
AIMS Energy, Vol 5, Iss 3, Pp 397-403 (2017)
Dye sensitized solar cells (DSSCs) are silicon free, simply producible solar cells. Longevity, however, is a longstanding problem for DSSCs. Due to liquid electrolytes being commonly used, evaporation of the electrolyte causes a dramatic drop in elec
Externí odkaz:
https://doaj.org/article/659d1e9935b542ffac96403112f0e3d5
Influence of the pH value of anthocyanins on the electrical properties of dye-sensitized solar cells
Autor:
Irén Juhász Junger, Sarah Vanessa Homburg, Hubert Meissner, Thomas Grethe, Anne Schwarz Pfeiffer, Johannes Fiedler, Andreas Herrmann, Tomasz Blachowicz, Andrea Ehrmann
Publikováno v:
AIMS Energy, Vol 5, Iss 2, Pp 258-267 (2017)
In recent years the harvesting of renewable energies became of great importance. This led to a rapid development of dye-sensitized solar cells which can be produced from low-purity materials. The best electrical properties are provided by cells prepa
Externí odkaz:
https://doaj.org/article/7a0c4ebb3a8f41fa981493e32469369f
Autor:
Devika Sudsom, Irén Juhász Junger, Christoph Döpke, Tomasz Blachowicz, Lothar Hahn, Andrea Ehrmann
Publikováno v:
Condensed Matter, Vol 5, Iss 1, p 5 (2020)
Magnetic vortex structures are of high technological relevance due to their possible application in magnetic memory. Moreover, investigating magnetization reversal via vortex formation is an important topic in basic research. Typically, such vortices
Externí odkaz:
https://doaj.org/article/f202aa5e805c41f7a9371dbcbfd1c126
Publikováno v:
Advances in Mechanical Engineering, Vol 10 (2018)
Adding three-dimensional printed objects on existing surfaces enables creation of multi-material objects with tailored mechanical properties. Especially, the tensile strength of a textile fabric is advantageous in comparison with three-dimensional pr
Externí odkaz:
https://doaj.org/article/a94f532030e648b0881ca46efd8295f7
Publikováno v:
Catalysts, Vol 9, Iss 12, p 975 (2019)
Dye-sensitized solar cells (DSSCs) offer new possibilities to harvest solar energy by using non-toxic inexpensive materials. Since they can generally be produced on flexible substrates, several research groups investigated possibilities to integrate
Externí odkaz:
https://doaj.org/article/606748c3dc4c4f17a44b2d21f0bbd00d
Autor:
Irén Juhász Junger, Suphawit Udomrungkhajornchai, Nils Grimmelsmann, Tomasz Blachowicz, Andrea Ehrmann
Publikováno v:
Materials, Vol 12, Iss 17, p 2692 (2019)
Caffeine is known to influence the absorbance spectrum of anthocyanin dyes. Such dyes are often used as sensitizers in dye-sensitized solar cells (DSSCs). Natural dyes, like anthocyanins, yield only small DSSC efficiencies, but are of high interest s
Externí odkaz:
https://doaj.org/article/edb7f243cf624e839522989b05eed8f0
Autor:
Timo Grothe, Lilia Sabantina, Michaela Klöcker, Irén Juhász Junger, Christoph Döpke, Andrea Ehrmann
Publikováno v:
Technologies, Vol 7, Iss 1, p 23 (2019)
Electrospinning can be used to produce nanofiber mats. One of the often used polymers for electrospinning is polyacrylonitrile (PAN), especially for the production of carbon nanofibers, but also for a diverse number of other applications. For some of
Externí odkaz:
https://doaj.org/article/c5f973962ae94453896da70a286cc0bd
Autor:
Irén Juhász Junger, Daria Wehlage, Robin Böttjer, Timo Grothe, László Juhász, Carsten Grassmann, Tomasz Blachowicz, Andrea Ehrmann
Publikováno v:
Materials, Vol 11, Iss 9, p 1604 (2018)
Textile-based dye-sensitized solar cells (DSSCs) can be created by building the necessary layers on a textile fabric or around fibers which are afterwards used to prepare a textile layer, typically by weaving. Another approach is using electrospun na
Externí odkaz:
https://doaj.org/article/a7c14008530d45a88ccd0c30fb1a0781
Autor:
László Juhász, Irén Juhász Junger
Publikováno v:
Materials, Vol 11, Iss 9, p 1623 (2018)
Linearized equivalent electrical-circuit representation of dye-sensitized solar cells is helpful both for the better understanding of the physical processes in the cell as well as for various optimizations of the cells. White-box and grey-box modelli
Externí odkaz:
https://doaj.org/article/284fa81bc2794d8f989bde49f5e3f160
Autor:
Angela Wiens, Abdelkarim Ahmedi, Andrea Ehrmann, Eva Schwenzfeier-Hellkamp, Daniel Werner, Irén Juhász Junger
Publikováno v:
Optik. 186:309-314
During the last decade, generating renewable energy has become more and more important, and so did solar cells. This led to a swift development of dye-sensitized solar cells (DSSCs). The highest efficiencies are achieved by cells which use synthetic