[PDF][PDF] Ultrasensitive SERS Detection by Defect Engineering on Single Cu2O Superstructure Particle
DOI: 10.1002/adma. 201604797 of matter-light interaction by multiple light scattering in
microarray. Bontempi et al. reported that the LOD of Si nanowire arrays SERS substrate for …
microarray. Bontempi et al. reported that the LOD of Si nanowire arrays SERS substrate for …
Large scale purification in semiconductors using Rydberg excitons
Improving the quantum coherence of solid-state systems is a decisive factor in realizing solid-
state quantum technologies. The key to optimize quantum coherence lies in reducing the …
state quantum technologies. The key to optimize quantum coherence lies in reducing the …
Neutralization of impurities by continuous-wave excitation of high- Rydberg excitons
We investigate the neutralization of charged defects in a Cu 2 O crystal experimentally with a
continuous-wave two-color pump-probe setup. We demonstrate that the excitation of high …
continuous-wave two-color pump-probe setup. We demonstrate that the excitation of high …
Homogeneous linewidth broadening and exciton dephasing mechanism in
Spectroscopic studies of mechanically exfoliated monolayer MoT e 2 were performed over a
wide temperature range from 4.2 to 300 K. At a low temperature, the photoluminescence …
wide temperature range from 4.2 to 300 K. At a low temperature, the photoluminescence …
Spectrally resolved single particle photoluminescence microscopy reveals heterogeneous photocorrosion activity of cuprous oxide microcrystals
Photocorrosion of cuprous oxide (Cu2O) has notably limited its application as an efficient
photocatalyst. We report a facile approach to visualize in situ formation of copper and …
photocatalyst. We report a facile approach to visualize in situ formation of copper and …
Influence of surface defect density on the ultrafast hot carrier relaxation and transport in photoelectrodes
L Grad, Z Novotny, M Hengsberger, J Osterwalder - Scientific reports, 2020 - nature.com
Cuprous oxide (Cu 2 O) is a promising material for photoelectrochemical energy conversion
due to its small direct band gap, high absorbance, and its Earth-abundant constituents. High …
due to its small direct band gap, high absorbance, and its Earth-abundant constituents. High …
Importance of surface oxygen vacancies for ultrafast hot carrier relaxation and transport in O
C Ricca, L Grad, M Hengsberger, J Osterwalder… - Physical review …, 2021 - APS
Cu 2 O has appealing properties as an electrode for photoelectrochemical water splitting,
yet its practical performance is severely limited by inefficient charge extraction at the …
yet its practical performance is severely limited by inefficient charge extraction at the …
Neutralization of impurities by cw-excitation of high- Rydberg-excitons
We investigate the neutralization of charged defects in a Cu $ _2 $ O crystal experimentally
with a cw two-color pump-probe setup. We demonstrate that the excitation of high-lying …
with a cw two-color pump-probe setup. We demonstrate that the excitation of high-lying …
Cu2O1–x-Superlattices Induced Oxygen Vacancy for Localized Surface Plasmon Resonance
C Yao, H Feng, S Weng, J Li, YF Huo, W Yan… - Nano Letters, 2025 - ACS Publications
Metallic oxide can induce localized surface plasmon resonance (LSPR) through creating
vacancies, which effectively achieve high carrier concentrations and offer advantages such …
vacancies, which effectively achieve high carrier concentrations and offer advantages such …
Taming Charged Defects: Large Scale Purification in Semiconductors using Rydberg Excitons
We investigate the interaction between highly excited Rydberg excitons and charged
impurities in the semiconductor Cuprous Oxide. We find that it is long-ranged and based on …
impurities in the semiconductor Cuprous Oxide. We find that it is long-ranged and based on …