logo
CanyamAI summaries for academic research
language
MobileMobile
  • Phone FeatureWeChat Mini Program
EnglishEnglish
noticeNotice
BlogBlog
delete
arrow
Back
G

Gerald Siefer

Fraunhofer Institute for Solar Energy Systems ISE

41H-index
184Paper Count
9.4KCitation Count
Published Papers 49
Publication Date
logo
Traceable Efficiency Determination of Large-Area Perovskite on Silicon Tandem Modules—Insights From a Calibration Laboratories Perspective
errProgress in Photovoltaics: Research and Applications
IF0
err2025-05-21
err0
errOAAI
errDavid Chojniak; Alexandra Schmid; Jochen Hohl-Ebinger; Gerald Siefer; Stefan W. Glunz
errShare
errSave
Subcell-Resolved EQE Method Using Reverse Voltage Biasing for Multijunction Photovoltaics With Overlapping Subcell Absorptance
errProgress in Photovoltaics: Research and Applications
IF0
err2025-04-21
err0
errOAAI
errMeghan N. Beattie; Michael Schachtner; Gerald Siefer; David Lackner; Oliver Höhn; Karin Hinzer; Henning Helmers
errShare
errSave
Rear-heterojunction GaInP laser power converter with 59% monochromatic efficiency at 590 nm
errAPL PHOTONICS
IF5.3
err2025-04-18
err0
errOAAI
errKlitzke, Malte; Hoehn, Oliver; Siefer, Gerald; Helmers, Henning; Dimroth, Frank; Lackner, David
errShare
errSave
Measuring the External Quantum Efficiency of Tandem Photovoltaic Modules Using an LED-Based Solar Simulator
errSOLAR RRL
IF4.7
err2024-12-05
err0
PREAI
errChojniak, David; Schmid, Alexandra; Hohl-Ebinger, Jochen; Reichmuth, Sebastian Kasimir; Siefer, Gerald; Kirk, Daniel; Case, Chris; Glunz, Stefan W.
errShare
errSave
Solar Cell Efficiency Tables (Version 65)
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2024-11-19
err14
PREAI
errGreen, Martin A.; Dunlop, Ewan D.; Yoshita, Masahiro; Kopidakis, Nikos; Bothe, Karsten; Siefer, Gerald; Hao, Xiaojing; Jiang, Jessica Yajie
errShare
errSave
Measuring the device-level EQE of multi-junction photonic power converters
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2024-07-18
err0
errOAAI
errSchachtner, Michael; Beattie, Meghan N.; Reichmuth, S. Kasimir; Wekkeli, Alexander; Siefer, Gerald; Helmers, Henning
errShare
errSave
Solar cell efficiency tables (Version 64)
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2024-07-02
err225
errOAAI
errGreen, Martin A.; Dunlop, Ewan D.; Yoshita, Masahiro; Kopidakis, Nikos; Bothe, Karsten; Siefer, Gerald; Hinken, David; Rauer, Michael; Hohl-Ebinger, Jochen; Hao, Xiaojing
errShare
errSave
Sheet Resistance Optimization in (Al)GaInP Solar Cells for Concentrator Quadruple-Junction Solar Cells
errSOLAR RRL
IF4.7
err2024-04-21
err0
errOAAI
errKlitzke, Malte; Schygulla, Patrick; Schoen, Jonas; Hoehn, Oliver; Siefer, Gerald; Helmers, Henning; Dimroth, Frank; Lackner, David
errShare
errSave
A precise method for the spectral adjustment of LED and multi-light source solar simulators
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2024-01-26
err4
errOAAI
errChojniak, David; Schachtner, Michael; Reichmuth, S. Kasimir; Bett, Alexander J.; Rauer, Michael; Hohl-Ebinger, Jochen; Schmid, Alexandra; Siefer, Gerald; Glunz, Stefan W.
errShare
errSave
Wafer-bonded two-terminal III-V//Si triple-junction solar cell with power conversion efficiency of 36.1% at AM1.5g
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2024-01-09
err12
errOAAI
errSchygulla, Patrick; Mueller, Ralph; Hoehn, Oliver; Schachtner, Michael; Chojniak, David; Cordaro, Andrea; Tabernig, Stefan; Blaesi, Benedikt; Polman, Albert; Siefer, Gerald; Lackner, David; Dimroth, Frank
errShare
errSave
Spectrometric Characterization for Triple-Junction Solar Cells
errSOLAR RRL
IF4.7
err2023-12-12
err1
errOAAI
errAulich, Johanna; Chojniak, David; Bett, Alexander J.; Steiner, Marc; Schindler, Florian; Siefer, Gerald; Schubert, Martin C.; Goldschmidt, Jan Christoph; Glunz, Stefan W.
errShare
errSave
Outdoor measurements of a full-size bifacial Pero/Si tandem module under different spectral conditions
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2023-11-22
err3
errOAAI
errChojniak, David; Steiner, Marc; Reichmuth, Kasimir; Roessler, Torsten; Schmid, Alexandra; Siefer, Gerald; Glunz, Stefan W.
errShare
errSave
Indoor Photovoltaics for the Internet-of-Things - A Comparison of State-of-the-Art Devices from Different Photovoltaic Technologies
errACS APPLIED ENERGY MATERIALS
IF5.5
err2023-10-09
err13
PREAI
errMueller, David; Jiang, Ershuai; Rivas-Lazaro, Paula; Baretzky, Clemens; Loukeris, Georgios; Bogati, Shankar; Paetel, Stefan; Irvine, Stuart J. C.; Oklobia, Ochai; Jones, Steve; Lamb, Dan; Richter, Armin; Siefer, Gerald; Lackner, David; Helmers, Henning; Teixeira, Cristina; Forgacs, David; Freitag, Marina; Bradford, David; Shen, Zhongjin; Zimmermann, Birger; Wuerfel, Uli
errShare
errSave
Solar cell efficiency tables (version 62)
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2023-06-21
err388
errOAAI
errGreen, Martin A.; Dunlop, Ewan D.; Yoshita, Masahiro; Kopidakis, Nikos; Bothe, Karsten; Siefer, Gerald; Hao, Xiaojing
errShare
errSave
Translation of outdoor tandem PV module I-V measurements to a STC power rating
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2023-03-08
err1
errOAAI
errSteiner, Marc; Siefer, Gerald
errShare
errSave
Maximizing Current Density in Monolithic Perovskite Silicon Tandem Solar Cells
errSOLAR RRL
IF4.7
err2023-02-02
err28
errOAAI
errHeydarian, Minasadat; Messmer, Christoph; Bett, Alexander J.; Heydarian, Maryamsadat; Chojniak, David; Kabakli, Öezde S.; Tutsch, Leonard; Bivour, Martin; Siefer, Gerald; Schubert, Martin C.; Goldschmidt, Jan Christoph; Hermle, Martin; Glunz, Stefan W.; Schulze, Patricia S. C.
errShare
errSave
Low-cost outdoor spectral irradiances determination and its application on Concentrator Photovoltaic module power rating and energy yield calculation
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2022-12-18
err0
errOAAI
errSteiner, Marc; Martinez, Juan F.; Mathur, Paresh; Sarkar, Subrata; Siefer, Gerald
errShare
errSave
Spectrometric Characterization of Monolithic Perovskite/Silicon Tandem Solar Cells
errSOLAR RRL
IF4.7
err2022-12-07
err14
errOAAI
errBett, Alexander J.; Chojniak, David; Schachtner, Michael; Reichmuth, S. Kasimir; Kabakli, Ozde S.; Schulze, Patricia S. C.; Fischer, Oliver; Schindler, Florian; Hohl-Ebinger, Jochen; Siefer, Gerald; Schubert, Martin C.
errShare
errSave
Solar cell efficiency tables (Version 61)
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2022-11-21
err273
PREAI
errGreen, Martin A.; Dunlop, Ewan D.; Siefer, Gerald; Yoshita, Masahiro; Kopidakis, Nikos; Bothe, Karsten; Hao, Xiaojing
errShare
errSave
Improving the accuracy of energy yield calculations of tandem solar cell-based CPV-modules
errPROGRESS IN PHOTOVOLTAICS
IF7.6
err2021-09-29
err3
errOAAI
errSteiner, Marc; Mathur, Paresh; Sarkar, Subrata; Siefer, Gerald
errShare
errSave

Research Directions

No research directions
Co-authors
Cooperation Journals
M
Martin A. Green
H-index: 148 · Papers: 1.3K
A
Albert Polman
H-index: 106 · Papers: 558
V
Volker Straub
H-index: 101 · Papers: 959
L
Lars Samuelson
H-index: 95 · Papers: 1.1K
S
Stefan W. Glunz
H-index: 73 · Papers: 600
View more