User profiles for M. Hermle

Martin Hermle

Head of Research Program Perovskite-Silicon Tandem Photovoltaics
Verified email at ise.fraunhofer.de
Cited by 20333

Input parameters for the simulation of silicon solar cells in 2014

…, M Müller, B Min, KC Fong, M Hermle… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
… Schmiga, and M. Hermle, “Effect of incomplete ionization for the description of highly aluminum-…
Maruyama, and M. Tanaka, “Temperature dependence of amorphous/crystalline silicon …

Recent progress in monolithic two-terminal perovskite-based triple-junction solar cells

…, J Hohl-Ebinger, F Schindler, M Hermle… - Energy & …, 2024 - pubs.rsc.org
Multi-junction solar cells are the most famous approach to overcome the power conversion
efficiency (PCE) limit of single-junction solar cells. Metal halide perovskite absorber materials …

Passivating contacts and tandem concepts: Approaches for the highest silicon-based solar cell efficiencies

M Hermle, F Feldmann, M Bivour… - Applied Physics …, 2020 - pubs.aip.org
The efficiency of photovoltaic energy conversion is a decisive factor for low-cost electricity from
renewable energies. In recent years, the efficiency of crystalline silicon solar cells in mass …

Passivated rear contacts for high-efficiency n-type Si solar cells providing high interface passivation quality and excellent transport characteristics

F Feldmann, M Bivour, C Reichel, M Hermle… - Solar energy materials …, 2014 - Elsevier
In this work passivated rear contacts are used to replace point contact passivation schemes
for high-efficiency n-type crystalline silicon solar cells. Our structure is based on an ultra-thin …

Reassessment of the limiting efficiency for crystalline silicon solar cells

A Richter, M Hermle, SW Glunz - IEEE journal of photovoltaics, 2013 - ieeexplore.ieee.org
… cell ideality factor m [32]. To some extent, therefore, the FF reduction can be explained by
the VOC reduction at high doping concentrations. However, it is well known that m can vary sig…

Design rules for high-efficiency both-sides-contacted silicon solar cells with balanced charge carrier transport and recombination losses

…, B Steinhauser, C Reichel, A Fell, M Bivour, M Hermle… - Nature energy, 2021 - nature.com
… g–l, Average Δn MPP normalized to N dop (logarithmic scale) for the simulations shown in
m–r. m–r, Power output of the different FJ and BJ cells as a function of the c-Si bulk resistivity …

n-Type Si solar cells with passivating electron contact: Identifying sources for efficiency limitations by wafer thickness and resistivity variation

…, J Benick, F Feldmann, A Fell, M Hermle… - Solar Energy Materials …, 2017 - Elsevier
In this work, the efficiency of n-type silicon solar cells with a front side boron-doped emitter
and a full-area tunnel oxide passivating electron contact was studied experimentally as a …

Tunnel oxide passivated contacts as an alternative to partial rear contacts

…, M Bivour, C Reichel, H Steinkemper, M Hermle… - Solar Energy Materials …, 2014 - Elsevier
Recently, n-type Si solar cells featuring a passivated rear contact, called TOPCon (Tunnel
Oxide Passivated Contact) were reported. The high conversion efficiency of 24.4% and very …

Molybdenum and tungsten oxide: High work function wide band gap contact materials for hole selective contacts of silicon solar cells

…, J Temmler, H Steinkemper, M Hermle - Solar Energy Materials and …, 2015 - Elsevier
The high work function metal oxides, tungsten oxide (WO x ) and molybdenum oxide (MoO x
), were investigated regarding their ability to form a hole-selective contact for a crystalline …

Tunnel oxide passivated carrier-selective contacts based on ultra-thin SiO2 layers grown by photo-oxidation or wet-chemical oxidation in ozonized water

…, M Zimmer, J Rentsch, M Hermle - 2015 IEEE 42nd …, 2015 - ieeexplore.ieee.org
… an n-type silicon PERL solar cell with B-diffused emitter, the passivated contact enabled
a high Voc of 719 m V and very high fill factors of 83.4% due to its excellent carrier-selectivity …