User profiles for Waldemar Kaiser
Waldemar KaiserTechnische Universität München Verified email at tum.de Cited by 498 |
Reaction mechanism of photocatalytic hydrogen production at water/tin halide perovskite interfaces
While instability in aqueous environment has long impeded employment of metal halide
perovskites for heterogeneous photocatalysis, recent reports have shown that some particular …
perovskites for heterogeneous photocatalysis, recent reports have shown that some particular …
Stability of tin-versus lead-halide perovskites: Ab initio molecular dynamics simulations of perovskite/water interfaces
Tin-halide perovskites (THPs) have emerged as promising lead-free perovskites for photovoltaics
and photocatalysis applications but still fall short in terms of stability and efficiency with …
and photocatalysis applications but still fall short in terms of stability and efficiency with …
Origin of broad emission induced by rigid aromatic ditopic cations in low-dimensional metal halide perovskites
The development of broadband emitters based on metal halide perovskites (MHPs) requires
the elucidation of structure–emission property correlations. Herein, we report a combined …
the elucidation of structure–emission property correlations. Herein, we report a combined …
Synergistic Role of Water and Oxygen Leads to Degradation in Formamidinium-Based Halide Perovskites
Mixed-cation metal halide perovskites have shown remarkable progress in photovoltaic
applications with high power conversion efficiencies. However, to achieve large-scale …
applications with high power conversion efficiencies. However, to achieve large-scale …
Intermolecular interactions of A-site cations modulate stability of 2D metal halide perovskites
Controlling the chemical properties of A-site cations in 2D metal halide perovskites (MHPs)
and in 2D/3D assemblies is key to stable and efficient optoelectronic devices. Here, we …
and in 2D/3D assemblies is key to stable and efficient optoelectronic devices. Here, we …
[HTML][HTML] Defect formation and healing at grain boundaries in lead-halide perovskites
Polycrystalline perovskite solar cells show high power conversion efficiencies despite the
presence of grain boundaries (GBs). The benign nature of GBs on the electronic properties …
presence of grain boundaries (GBs). The benign nature of GBs on the electronic properties …
[HTML][HTML] Band gap tuning through cation and halide alloying in mechanochemically synthesized Cs 3 (Sb 1− x Bi x) 2 Br 9 and Cs 3 Sb 2 (I 1− x Br x) 9 solid solutions
Modulation of the optical properties of lead-free defective perovskites can contribute to the
design of optimized materials for several applications ranging from photodetection to …
design of optimized materials for several applications ranging from photodetection to …
Cu/Ag–Sb–I Rudorffite Thin Films for Photovoltaic Applications
In the search for lead-free perovskites, silver pnictohalides recently gained attention as novel
perovskite-inspired materials for photovoltaics due to their high stability, low toxicity, and …
perovskite-inspired materials for photovoltaics due to their high stability, low toxicity, and …
[HTML][HTML] Generalized kinetic Monte Carlo framework for organic electronics
In this paper, we present our generalized kinetic Monte Carlo (kMC) framework for the simulation
of organic semiconductors and electronic devices such as solar cells (OSCs) and light-…
of organic semiconductors and electronic devices such as solar cells (OSCs) and light-…
Tuning Structure and Excitonic Properties of 2D Ruddlesden–Popper Germanium, Tin, and Lead Iodide Perovskites via Interplay between Cations
The compositional tunability of 2D metal halide perovskites enables exploration of diverse
semiconducting materials with different structural features. However, rationally tuning the 2D …
semiconducting materials with different structural features. However, rationally tuning the 2D …