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1

Ion Implantation for Poly-Si Passivated Back-Junction Back-Contacted Solar Cells

Romer, Udo, Peibst, Robby, Ohrdes, Tobias, Lim, Bianca, Krugener, Jan, Wietler, Tobias, Brendel, Rolf

Journal:

IEEE Journal of Photovoltaics

Year:

2015

Language:

english

File:

PDF, 847 KB

english, 2015

2

Influence of the boron emitter profile on V OC and J SC losses in fully ion implanted n-type PERT solar cells

Kiefer, Fabian, Peibst, Robby, Ohrdes, Tobias, Dullweber, Thorsten, Krügener, Jan, Osten, H. Jörg, Schöllhorn, Claus, Grohe, Andreas, Brendel, Rolf

Journal:

physica status solidi (a)

Year:

2015

Language:

english

File:

PDF, 532 KB

english, 2015

3

A control system for ultrasound devices utilized for inactivating E. coli in wastewater

Ohrdes, H., Ille, I., Twiefel, J., Wallaschek, J., Nogueira, R., Rosenwinkel, K.-H.

Journal:

Ultrasonics Sonochemistry

Year:

2017

Language:

english

File:

PDF, 2.19 MB

english, 2017

4

19% Efficient Thin-Film Crystalline Silicon Solar Cells From Layer Transfer Using Porous Silicon: A Loss Analysis by Means of Three-Dimensional Simulations

Petermann, J.H., Ohrdes, T., Altermatt, P.P., Eidelloth, S., Brendel, R.

Journal:

IEEE Transactions on Electron Devices

Year:

2012

Language:

english

File:

PDF, 886 KB

english, 2012

5

Solar cell emitter design with PV-tailored implantation

T. Ohrdes, S. Steingrube, H. Wagner, C. Zechner, G. Letay, R. Chen, S.T. Dunham, P.P. Altermatt

Journal:

Energy Procedia

Year:

2011

Language:

english

File:

PDF, 626 KB

english, 2011

6

Injection dependence of the effective lifetime of n-type Si passivated by Al2O3: An edge effect?

Veith, Boris, Ohrdes, Tobias, Werner, Florian, Brendel, Rolf, Altermatt, Pietro P., Harder, Nils-Peter, Schmidt, Jan

Journal:

Solar Energy Materials and Solar Cells

Year:

2014

Language:

english

File:

PDF, 1.08 MB

english, 2014

7

Aluminum-oxide-based inversion layer solar cells on n-type crystalline silicon: Fundamental properties and efficiency potential

Werner, Florian, Larionova, Yevgeniya, Zielke, Dimitri, Ohrdes, Tobias, Schmidt, Jan

Journal:

Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 1.66 MB

english, 2014

8

[IEEE 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) - Tampa, FL, USA (2013.06.16-2013.06.21)] 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) - Overcoming phosphorus emitter limitations in PERC Si solar cells by using a gallium-phosphide heteroemitter

Wagner, Hannes, Ohrdes, Tobias, Dastgheib-Shirazi, Amir, Puthen-Veettil, Binesh, Konig, Dirk, Altermatt, Pietro P.

Year:

2013

Language:

english

File:

PDF, 204 KB

english, 2013

9

Recombination behavior and contact resistance of n+ and p+ poly-crystalline Si/mono-crystalline Si junctions

Römer, Udo, Peibst, Robby, Ohrdes, Tobias, Lim, Bianca, Krügener, Jan, Bugiel, Eberhard, Wietler, Tobias, Brendel, Rolf

Journal:

Solar Energy Materials and Solar Cells

Year:

2014

Language:

english

File:

PDF, 1.57 MB

english, 2014

10

[IEEE 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) - Denver, CO, USA (2014.6.8-2014.6.13)] 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) - Building blocks for back-junction back-contacted cells and modules with ion-implanted poly-Si junctions

Peibst, Robby, Romer, Udo, Larionova, Yevgeniya, Schulte-Huxel, Henning, Ohrdes, Tobias, Haberle, Michael, Lim, Bianca, Krugener, Jan, Stichtenoth, Daniel, Wutherich, Tobias, Schollhorn, Claus, Graff,

Year:

2014

Language:

english

File:

PDF, 866 KB

english, 2014

11

Reverse Saturation Current Density Imaging of Highly Doped Regions in Silicon Employing Photoluminescence Measurements

Müller, J., Bothe, K., Herlufsen, S., Ohrdes, T., Brendel, R.

Journal:

IEEE Journal of Photovoltaics

Year:

2012

Language:

english

File:

PDF, 611 KB

english, 2012

12

[IEEE 2009 34th IEEE Photovoltaic Specialists Conference (PVSC) - Philadelphia, PA, USA (2009.06.7-2009.06.12)] 2009 34th IEEE Photovoltaic Specialists Conference (PVSC) - Characterisation and implications of the boron rich layer resulting from open-tube liquid source BBR3 boron diffusion processes

Kessler, Michael Andreas, Ohrdes, Tobias, Wolpensinger, Bettina, Bock, Robert, Harder, Nils-P.

Year:

2009

Language:

english

File:

PDF, 1.34 MB

english, 2009

13

[IEEE 2014 IEEE 40th Photovoltaic Specialists Conference (PVSC) - Denver, CO, USA (2014.6.8-2014.6.13)] 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) - Emitter recombination current densities of boron emitters with silver/aluminum pastes

Kiefer, Fabian, Peibst, Robby, Ohrdes, Tobias, Krugener, Jan, Osten, H. Jorg, Brendel, Rolf

Year:

2014

Language:

english

File:

PDF, 382 KB

english, 2014

14

Electrical and Structural Analysis of Crystal Defects After High-Temperature Rapid Thermal Annealing of Highly Boron Ion-Implanted Emitters

Krugener, Jan, Peibst, Robby, Alexander Wolf, F., Bugiel, Eberhard, Ohrdes, Tobias, Kiefer, Fabian, Schollhorn, Claus, Grohe, Andreas, Brendel, Rolf, Osten, H. Jorg

Journal:

IEEE Journal of Photovoltaics

Year:

2015

Language:

english

File:

PDF, 799 KB

english, 2015

15

A numerical simulation study of gallium-phosphide/silicon heterojunction passivated emitter and rear solar cells

Wagner, Hannes, Ohrdes, Tobias, Dastgheib-Shirazi, Amir, Puthen-Veettil, Binesh, König, Dirk, Altermatt, Pietro P.

Journal:

Journal of Applied Physics

Year:

2014

Language:

english

File:

PDF, 1.19 MB

english, 2014

16

[IEEE 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) - Tampa, FL, USA (2013.06.16-2013.06.21)] 2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) - Counterdoping with patterned ion implantation

Romer, Udo, Peibst, Robby, Ohrdes, Tobias, Larionova, Yevgeniya, Harder, Nils-Peter, Brendel, Rolf, Grohe, Andreas, Stichtenoth, Daniel, Wutherich, Tobias, Schollhorn, Claus, Krokoszinski, Hans-Joachi

Year:

2013

Language:

english

File:

PDF, 799 KB

english, 2013

17

[IEEE 2014 20th International Conference on Ion Implantation Technology (IIT) - Portland, OR, USA (2014.6.26-2014.7.4)] 2014 20th International Conference on Ion Implantation Technology (IIT) - Structural investigation of ion implantation of boron on random pyramid textured Si(100) for photovoltaic applications

Krugener, Jan, Bugiel, Eberhard, Osten, H. Jorg, Peibst, Robby, Kiefer, Fabian, Ohrdes, Tobias, Brendel, Rolf

Year:

2014

Language:

english

File:

PDF, 1.19 MB

english, 2014

18

Structural analysis of textured silicon surfaces after ion implantation under tilted angle

Krügener, Jan, Bugiel, Eberhard, Peibst, Robby, Kiefer, Fabian, Ohrdes, Tobias, Brendel, Rolf, Jörg Osten, H

Journal:

Semiconductor Science and Technology

Year:

2014

Language:

english

File:

PDF, 941 KB

english, 2014

19

Conceptual Comparison between Standard Si Solar Cells and back Contacted Cells

Ali, Adnan, Ohrdes, Tobias, Wagner, Hannes, Altermatt, Pietro P.

Journal:

Energy Procedia

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

20

Closed loop cavitation control – A step towards sonomechatronics

Saalbach, Kai-Alexander, Ohrdes, Hendrik, Twiefel, Jens

Journal:

Ultrasonics Sonochemistry

Year:

2018

Language:

english

File:

PDF, 1.74 MB

english, 2018

21

Investigation of the joining zone of laser welded and cross wedge rolled hybrid parts

Blohm, Thoms, Nothdurft, Sarah, Mildebrath, Maximilian, Ohrdes, Hendrik, Richter, Johannes, Stonis, Malte, Langner, Jan, Springer, André, Kaierle, Stefan, Hassel, Thomas, Wallaschek, Jörg, Overmeyer,

Journal:

International Journal of Material Forming

Year:

2017

Language:

english

File:

PDF, 5.27 MB

english, 2017

22

Laser welding of dissimilar low-alloyed steel-steel butt joints and the effects of beam position and ultrasound excitation on the microstructure

Nothdurft, Sarah, Springer, André, Kaierle, Stefan, Ohrdes, Hendrik, Twiefel, Jens, Wallaschek, Jörg, Mildebrath, Maximilian, Maier, Hans Jürgen, Hassel, Thomas, Overmeyer, Ludger

Journal:

Journal of Laser Applications

Year:

2018

Language:

english

File:

PDF, 6.48 MB

english, 2018

23

Surface integrity of turned laser-welded hybrid shafts

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.

Journal:

Production Engineering

Year:

2018

Language:

english

File:

PDF, 3.34 MB

english, 2018

24

Surface Integrity of Laser Beam Welded Steel–Aluminium Alloy Hybrid Shafts after Turning

Nothdurft, Sarah, Prasanthan, Vannila, Denkena, Berend, Breidenstein, Bernd, Grove, Thilo, Ohrdes, Hendrik, Twiefel, Jens, Wallaschek, Jörg, Hassel, Thomas, Hermsdorf, Jörg, Overmeyer, Ludger, Kaierle

Journal:

Year:

2019

Language:

english

File:

PDF, 4.65 MB

english, 2019

25

AIP Conference Proceedings [AIP Publishing PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019 - Vitoria-Gasteiz, Spain (8–10 May 2019)] PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019 - Improving the mechanical properties of laser beam welded hybrid workpieces by deformation processing

Behrens, B.-A., Amiri, A., Duran, D., Nothdurft, S., Hermsdorf, J., Kaierle, S., Ohrdes, H., Wallaschek, J., Hassel, T.

Year:

2019

Language:

english

File:

PDF, 1.21 MB

english, 2019

26

AIP Conference Proceedings [AIP Publishing PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019 - Vitoria-Gasteiz, Spain (8–10 May 2019)] PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019 - Improving the mechanical properties of laser beam welded hybrid workpieces by deformation processing

Behrens, B.-A., Amiri, A., Duran, D., Nothdurft, S., Hermsdorf, J., Kaierle, S., Ohrdes, H., Wallaschek, J., Hassel, T.

Year:

2019

File:

PDF, 1.21 MB

2019