19% Efficient Thin-Film Crystalline Silicon Solar Cells From Layer Transfer Using Porous Silicon: A Loss Analysis by Means of Three-Dimensional Simulations von Petermann, J. H., Ohrdes, T., Altermatt, P. P., Eidelloth, S., Brendel, R.

Volltext

Reverse Saturation Current Density Imaging of Highly Doped Regions in Silicon Employing Photoluminescence Measurements von Müller, J., Bothe, K., Herlufsen, S., Ohrdes, T., Brendel, R.

Volltext

Solar cell emitter design with PV-tailored implantation von Ohrdes, T., Steingrube, S., Wagner, H., Zechner, C., Letay, G., Chen, R., Dunham, S.T., Altermatt, P.P.

Volltext

Characterisation and implications of the boron rich layer resulting from open-tube liquid source BBR3 boron diffusion processes von Kessler, M.A., Ohrdes, T., Wolpensinger, B., Bock, R., Harder, N.-P.

Volltext

Dataset on electrical single-family house and heat pump load profiles in Germany von Schlemminger, Marlon, Ohrdes, Tobias, Schneider, Elisabeth, Knoop, Michael

Volltext

Recombination behavior and contact resistance of n+ and p+ poly-crystalline Si/mono-crystalline Si junctions von Römer, Udo, Peibst, Robby, Ohrdes, Tobias, Lim, Bianca, Krügener, Jan, Bugiel, Eberhard, Wietler, Tobias, Brendel, Rolf

Volltext

Aluminum-oxide-based inversion layer solar cells on n -type crystalline silicon: Fundamental properties and efficiency potential von Werner, Florian, Larionova, Yevgeniya, Zielke, Dimitri, Ohrdes, Tobias, Schmidt, Jan

Volltext

Ion Implantation for Poly-Si Passivated Back-Junction Back-Contacted Solar Cells von Romer, Udo, Peibst, Robby, Ohrdes, Tobias, Lim, Bianca, Krugener, Jan, Wietler, Tobias, Brendel, Rolf

Volltext

A numerical simulation study of gallium-phosphide/silicon heterojunction passivated emitter and rear solar cells von Wagner, Hannes, Ohrdes, Tobias, Dastgheib-Shirazi, Amir, Puthen-Veettil, Binesh, König, Dirk, Altermatt, Pietro P.

Volltext

Closed loop cavitation control – A step towards sonomechatronics von Saalbach, Kai-Alexander, Ohrdes, Hendrik, Twiefel, Jens

Volltext

A control system for ultrasound devices utilized for inactivating E. coli in wastewater von Ohrdes, H., Ille, I., Twiefel, J., Wallaschek, J., Nogueira, R., Rosenwinkel, K.-H.

Volltext

Injection dependence of the effective lifetime of n-type Si passivated by Al2O3: An edge effect? von Veith, Boris, Ohrdes, Tobias, Werner, Florian, Brendel, Rolf, Altermatt, Pietro P., Harder, Nils-Peter, Schmidt, Jan

Volltext

Influence of the ultrasonic vibration amplitude on the melt pool dynamics and the weld shape of laser beam welded EN AW-6082 utilizing a new excitation system for laser beam weldin... von Ohrdes, H., Nothdurft, S., Nowroth, C., Grajczak, J., Twiefel, J., Hermsdorf, J., Kaierle, S., Wallaschek, J.

Volltext

The effect of sample edge recombination on the averaged injection-dependent carrier lifetime in silicon von Kessler, Michael, Ohrdes, Tobias, Altermatt, Pietro P., Brendel, Rolf

Volltext

Charge carrier lifetime degradation in Cz silicon through the formation of a boron-rich layer during BBr3 diffusion processes von Kessler, Michael Andreas, Ohrdes, Tobias, Wolpensinger, Bettina, Harder, Nils-Peter

Volltext

Surface integrity of turned laser-welded hybrid shafts von Denkena, B., Breidenstein, B., Grove, T., Prasanthan, V., Overmeyer, L., Nothdurft, S., Kaierle, S., Wallaschek, J., Twiefel, J., Ohrdes, H., Maier, H. J., Hassel, T., Mildebrath, M.

Volltext

Investigation of the composite strength of hybrid steel-steel semi-finished products manufactured by laser beam welding and friction welding von Behrens, B-A, Chugreev, A, Matthias, T, Nothdurft, S, Hermsdorf, J, Kaierle, S, Ohrdes, H, Twiefel, J, Wallaschek, J, Mildebrath, M, Hassel, T

Volltext

Influence of ultrasonic amplitude and position in the vibration distribution on the microstructure of a laser beam welded aluminum alloy von Nothdurft, Sarah, Ohrdes, Hendrik, Twiefel, Jens, Wallaschek, Jörg, Mildebrath, Maximilian, Maier, Hans Jürgen, Hassel, Thomas, Overmeyer, Ludger, Kaierle, Stefan

Volltext

Improving the mechanical properties of laser beam welded hybrid workpieces by deformation processing von Behrens, B.-A., Amiri, A., Duran, D., Nothdurft, S., Hermsdorf, J., Kaierle, S., Ohrdes, H., Wallaschek, J., Hassel, T.

Volltext

Surface Integrity of Laser Beam Welded Steel–Aluminium Alloy Hybrid Shafts after Turning von Nothdurft, Sarah, Prasanthan, Vannila, Denkena, Berend, Breidenstein, Bernd, Grove, Thilo, Ohrdes, Hendrik, Twiefel, Jens, Wallaschek, Jörg, Hassel, Thomas, Hermsdorf, Jörg, Overmeyer, Ludger, Kaierle, Stefan

Volltext