A surface science view onto cuprous oxide: Growth, termination, electronic structure and optical response

N Nilius, J Goniakowski, C Noguera - Surface Science Reports, 2024 - Elsevier
The oxides of copper have attracted the attention of scientists already for more than hundred
years. This fascination is fueled by many outstanding properties of the material, for example …

Rydberg excitons in Cu2O microcrystals grown on a silicon platform

S Steinhauer, MAM Versteegh, S Gyger… - Communications …, 2020 - nature.com
Cuprous oxide (Cu2O) is a semiconductor with large exciton binding energy and significant
technological importance in applications such as photovoltaics and solar water splitting. It is …

Rydberg excitons in synthetic cuprous oxide

SA Lynch, C Hodges, S Mandal, W Langbein… - Physical Review …, 2021 - APS
High-lying Rydberg states of Mott-Wannier excitons are receiving considerable interest due
to the possibility of adding long-range interactions to the physics of excitons. Here, we study …

Single-phase Cu2O and CuO thin films obtained by low-temperature oxidation processes

C Guillén, J Herrero - Journal of Alloys and Compounds, 2018 - Elsevier
The optical and electrical characteristics of copper oxide thin films are greatly dependent on
the preparation procedure, which determines the crystallite size and the density of native …

Controlling exciton-phonon interactions via electromagnetically induced transparency

V Walther, P Grünwald, T Pohl - Physical Review Letters, 2020 - APS
Highly excited Rydberg states of excitons in Cu 2 O semiconductors provide a promising
approach to explore and control strong particle interactions in a solid-state environment. A …

Experimental limitation in extending the exciton series in towards higher principal quantum numbers

J Heckötter, D Janas, R Schwartz, M Aßmann, M Bayer - Physical Review B, 2020 - APS
So far, the observation of the yellow P exciton series in cuprous oxide has been limited to
principal quantum numbers up to n max= 25 at a crystal temperature of T= 1.35 K. Here, we …

Temperature dependence on p-Cu2O thin film electrochemically deposited onto copper substrate

MC Huang, TH Wang, WS Chang, JC Lin, CC Wu… - Applied surface …, 2014 - Elsevier
In this study, we attempted to quantitatively interpret the effect of electrodeposition
temperature on Cu 2 O film's microstructure, optical and photoelectrochemical properties …

Bottom-up fabrication of 2D Rydberg exciton arrays in cuprous oxide

K Barua, S Peana, AD Keni, V Mkhitaryan… - Communications …, 2025 - nature.com
Solid-state platforms provide exceptional opportunities for advancing on-chip quantum
technologies by enhancing interaction strengths through coupling, scalability, and …

Strong photon interactions from weakly interacting particles

A Camacho-Guardian, M Bastarrachea-Magnani… - Physical Review B, 2022 - APS
The hybridization of light and matter excitations in the form of polaritons has enabled major
advances in understanding and controlling optical nonlinearities. Entering the quantum …

Excitonic Effects in Emerging Photovoltaic Materials: A Case Study in Cu2O

ST Omelchenko, Y Tolstova, HA Atwater… - ACS Energy …, 2017 - ACS Publications
Excitonic effects account for a fundamental photoconversion and charge transport
mechanism in Cu2O; hence, the universally adopted “free carrier” model substantially …