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Towards a Three-Terminal Perovskite/Silicon Tandem Solar Cell with Highest Efficiency
Michael Rienäcker;Somayeh Moghadamzadeh;Paul Fassl;Yevgeniya Larionova;Philipp Noack;Bianca Wattenberg;Ulrich Wilhelm Paetzold;Robby Peibst
2023 IEEE 50th Photovoltaic Specialists Conference (PVSC)
Year: 2023 | Conference Paper |
In this contribution, we aim to progress towards a 3T perovskite/POLO²-IBC tandem cell with highest efficiency. For this purpose, we describe the design considerations for a 3T perovskite/POLO²-IBC tandem cell with respect to the choice of the top and bottom cell configurations and their interconnection. We identify pin perovskite solar cells (PSCs) with a band gap of around 1.6 eV spin-coated on ...Show More
2D Surface Passivation in Semi-transparent Perovskite Top Solar Cells with Engineered Bandgap for Tandem Photovoltaics
Saba Gharibzadeh;Ihteaz M. Hossain;Paul Fassl;Adrian Mertens;Sören Schäfer;Michael Rienäcker;Tobias Wietler;Robby Peibst;Bryce S. Richards;Ulrich W. Paetzold
2020 47th IEEE Photovoltaic Specialists Conference (PVSC)
Year: 2020 | Conference Paper |
Wide-bandgap perovskite top solar cells (PSCs) with optimal bandgap (Eg) are key to boost the efficiency of perovskite/Si tandem devices beyond the Shockley-Queisser limit for single-junction solar cells. However, the large open circuit voltage (Voc) deficit in the optimal bandgap range and the poor transmission of the top semi-transparent perovskite solar cells (s-PSCs) restricts the development ...Show More
2D Surface Passivation in Semi-transparent Perovskite Top Solar Cells with Engineered Bandgap for Tandem Photovoltaics
Saba Gharibzadeh;Ihteaz M. Hossain;Paul Fassl;Adrian Mertens;Sören Schäfer;Michael Rienäcker;Tobias Wietler;Robby Peibst;Bryce S. Richards;Ulrich W. Paetzold
Year: 2020 | Conference Paper |
Fundamentals of three-terminal tandem solar cells: a comprehensive taxonomy
Emily L. Warren;William E. McMahon;Michael Rienäcker;Kaitlyn T. VanSant;Riley C. Whitehead;Robby Peibst;Adele C. Tamboli
2020 47th IEEE Photovoltaic Specialists Conference (PVSC)
Year: 2020 | Conference Paper |
Three-terminal tandem (3TT) solar cells can overcome some of the limitations of two- and four-terminal tandem designs. However, the coupled nature of the cells adds a degree of complexity to the devices themselves and the ways that their performance can be measured and reported. To facilitate understanding, we have developed a taxonomy which encompasses all types of 3TT devices, enabling a common ...Show More
III-V/Si Tandem Cells Utilizing Interdigitated Back Contact Si Cells and Varying Terminal Configurations
Manuel Schnabel;Michael Rienäcker;Agnes Merkle;Talysa R. Klein;Nikhil Jain;Stephanie Essig;Henning Schulte-Huxel;Emily Warren;Maikel F.A.M. van Hest;John Geisz;Jan Schmidt;Rolf Brendel;Robby Peibst;Paul Stradins;Adele Tamboli
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)
Year: 2019 | Conference Paper |
Cited by: Patents (2)
Integrating wide-bandgap III-V with Si solar cells has been shown to yield higher efficiencies than Si alone: As also presented at this conference, four-terminal efficiencies exceeding 32% have been attained. In this contribution, independent and electrically connected operation of the subcells in such tandem cells is examined. The optics of the tandem cell change significantly if a conducting int...Show More
III-V/Si Tandem Cells Utilizing Interdigitated Back Contact Si Cells and Varying Terminal Configurations
Manuel Schnabel;Michael Rienäcker;Agnes Merkle;Talysa R. Klein;Nikhil Jain;Stephanie Essig;Henning Schulte-Huxel;Emily Warren;Maikel F.A.M. van Hest;John Geisz;Jan Schmidt;Rolf Brendel;Robby Peibst;Paul Stradins;Adele Tamboli
Three-Terminal Bipolar Junction Bottom Cell as Simple as PERC: Towards Lean Tandem Cell Processing
M. Rienäcker;E. L. Warren;T. F. Wietler;P. Stradins;A. C. Tamboli;R. Peibst
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC)
Year: 2019 | Conference Paper |
Cited by: Papers (7)
Silicon-based tandem cells are a potential upgrade for the dominating PERC technology and can greatly increase the conversion efficiency. A novel approach, the three-terminal (3T) tandem using interdigitated back-contact (IBC) cells, was shown to combine the advantages of four- and two-terminal tandem cells at the expense of a more complex bottom cell fabrication process. In this paper, we propose...Show More
From PERC to Tandem: POLO- and p+/n+ Poly-Si Tunneling Junction as Interface Between Bottom and Top Cell
Robby Peibst;Michael Rienäcker;Byungsul Min;Christina Klamt;Raphael Niepelt;Tobias F. Wietler;Thorsten Dullweber;Eduard Sauter;Jens Hübner;Michael Oestreich;Rolf Brendel
IEEE Journal of Photovoltaics
Cited by: Papers (30)
We present a novel cell concept that combines the tandem cell approach with the passivated emitter and rear cells (PERC) mainstream technology. As an interface between Si bottom and top cell, we utilize passivating n+-type polysilicon on oxide (POLO) contacts and a p+ poly-Si/n+ poly-Si tunneling junction. Our full area PERC+ Si bottom cells are fabricated within a typical industrial process seque...Show More
p+/n+ polysilicon-on-oxide tunneling junctions as an interface of p-type PERC cells for tandem applications
Robby Peibst;Michael Rienäcker;Byungsul Min;Christina Klamt;Raphael Niepelt;Tobias Wietler;Thorsten Dullweber;Eduard Sauter;Jens Hïbner;Michael Oestreich;Rolf Brendel
We present a novel cell concept that combines the tandem cell approach with the PERC mainstream technology. As an interface between Si bottom and top cell, we utilize passivating n+-type polysilicon on oxide (POLO) contacts and a p+ poly-Si / n+ poly-Si tunneling junction. Our full area PERC+ Si bottom cells are fabricated within a typical industrial process sequence where the POCl3-diffusion and ...Show More
Equivalent Performance in Three-Terminal and Four-Terminal Tandem Solar Cells
Manuel Schnabel;Michael Rienäcker;Emily L. Warren;John F. Geisz;Robby Peibst;Paul Stradins;Adele C. Tamboli
IEEE Journal of Photovoltaics
Cited by: Papers (32)
Tandem or multijunction solar cells are a promising method to circumvent the efficiency limit of single-junction solar cells, but there is ongoing debate over how best to interconnect the subcells in a tandem cell. In addition to four-terminal and two-terminal tandem cell architectures, a new three-terminal tandem cell architecture has recently been demonstrated, which features a standard two-term...Show More
III- V/Si Tandem Cells Utilizing Interdigitated Back Contact Si Cells and Varying Terminal Configurations
Manuel Schnabel;Michael Rienacker;Agnes Merkle;Talysa R. Klein;Nikhil Jain;Stephanie Essig;Henning Schulte-Huxel;Emily Warren;Maikel F.A.M. van Hest;John Geisz;Jan Schmidt;Rolf Brendel;Robby Peibst;Paul Stradins;Adele Tamboli
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)
Year: 2017 | Conference Paper |
Cited by: Papers (7)
Integrating wide-bandgap III-V with Si solar cells has been shown to yield higher efficiencies than Si alone: As also presented at this conference, four-terminal efficiencies exceeding 32% have been attained. In this contribution, independent and electrically connected operation of the subcells in such tandem cells is examined. The optics of the tandem cell change significantly if a conducting int...Show More
III- V/Si Tandem Cells Utilizing Interdigitated Back Contact Si Cells and Varying Terminal Configurations
Manuel Schnabel;Michael Rienacker;Agnes Merkle;Talysa R. Klein;Nikhil Jain;Stephanie Essig;Henning Schulte-Huxel;Emily Warren;Maikel F.A.M. van Hest;John Geisz;Jan Schmidt;Rolf Brendel;Robby Peibst;Paul Stradins;Adele Tamboli
Year: 2017 | Conference Paper |
Notice of Removal: Junction resistivity of carrier selective polysilicon on oxide junctions and its impact on the solar cell performance
Michael Rienäcker;Marcel Bossmeyer;Agnes Merkle;Udo Römer;Felix Haase;Jan Krügener;Rolf Brendel;Robby Peibst
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)
Year: 2017 | Conference Paper |
Cited by: Papers (5)
Junction Resistivity of Carrier-Selective Polysilicon on Oxide Junctions and Its Impact on Solar Cell Performance
Michael Rienäcker;Marcel Bossmeyer;Agnes Merkle;Udo Römer;Felix Haase;Jan Krügener;Rolf Brendel;Robby Peibst
We investigate the junction resistivity of high-quality carrier-selective polysilicon on oxide (POLO) junctions with the transfer length method. We demonstrate n+ POLO junctions with a saturation current density JC,poly of 6.2 fA/cm2 and a junction resistivity ρc of 0.6 mΩcm2, counterdoped n+ POLO junctions with 2.7 fA/cm2 and 1.3 mΩcm2, and p+ POLO junctions with 6.7 fA/cm2 and 0.2 mΩcm2. Such lo...Show More
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