activity
20192024
most citedAbsolute energy level positions in tin and lead based halide perovskites

718 citations · 746 across the 7 of their papers we have counts for

collaborators

7 papers

physics.chem-ph2024

Chemical interaction and molecular growth of a highly dipolar merocyanine molecule on metal surfaces: A photoelectron spectroscopy study

Baris Oecal, Philipp Weitkamp, Klaus Meerholz +1

The growth and ordering of molecules on surfaces is an intriguing research topic as insights gained here can be of significant relevance for organic electronic devices. While often…

cond-mat.mtrl-sci2024★ 3 cited

NiOx passivation in perovskite solar cells: from surface reactivity to device performance

John Mohanraj, Bipasa Samanta, Osbel Almora +8

Non-stoichiometric nickel oxide (NiOx) is the only metal oxide successfully used as hole transport material in p-i-n type perovskite solar cells (PSCs). Its favorable opto-electron…

physics.app-ph2024★ 1 cited

Unveiling the GeI2-Assisted Oriented Growth of Perovskite Crystallite for High-Performance Flexible Sn Perovskite Solar Cells

Huagui Lai, Selina Olthof, Shengqiang Ren +7

Tin perovskites are emerging as promising alternatives to their lead-based counterparts for high-performance and flexible perovskite solar cells (PSCs). However, their rapid crysta…

physics.app-ph2024★ 16 cited

Degradation Analysis of Perovskite Solar Cells via Short-Circuit Impedance Spectroscopy: A case study on NiOx passivation

Osbel Almora, Pilar López-Varo, Renán Escalante +4

Perovskite solar cells (PSCs) continue to be the front runner technology among emerging photovoltaic devices in terms of power conversion efficiency and application versatility. Ho…

physics.app-ph2022

Revealing the role of tin fluoride additive in narrow bandgap Pb-Sn perovskites for highly efficient flexible all-perovskite tandem cells

Johnpaul K. Pious, Yannick Zwirner, Huagui Lai +11

Tin fluoride (SnF2) is an indispensable additive for high-efficiency Pb-Sn perovskite solar cells (PSCs). However, the spatial distribution of SnF2 in the perovskite absorber is se…

physics.app-ph2022★ 8 cited

High-Performance Flexible All-Perovskite Tandem Solar Cells with Reduced VOC-Deficit in Wide-Bandgap Subcell

Huagui Lai, Jincheng Luo, Yannick Zwirner +22

Among various types of perovskite-based tandem solar cells (TSCs), all-perovskite TSCs are of particular attractiveness for building- and vehicle-integrated photovoltaics, or space…

cond-mat.mtrl-sci2019★ 718 cited

Absolute energy level positions in tin and lead based halide perovskites

Shuxia Tao, Ines Schmidt, Geert Brocks +4

Metal-halide perovskites are promising materials for future optoelectronic applications. One intriguing property, important for many applications, is the tunability of the band gap…