Unified model for probing solar cell dynamics via cyclic voltammetry and impedance spectroscopy

V Lopez-Richard, LA Meneghetti Jr, GL Nogueira… - Physical Review B, 2024 - APS
Despite the remarkable progress in emerging solar cell technologies such as hybrid organic-
inorganic perovskites, there are still significant limitations related to the stability of the …

Tuning the conductance topology in solids

V Lopez-Richard, RS Wengenroth Silva… - Journal of Applied …, 2023 - pubs.aip.org
The inertia of trapping and detrapping of nonequilibrium charge carriers affects the
electrochemical and transport properties of both bulk and nanoscopic structures in a very …

[HTML][HTML] Beyond equivalent circuit representations in nonlinear systems with inherent memory

V Lopez-Richard, S Pradhan… - Journal of Applied …, 2024 - pubs.aip.org
Basic multimode impedance analysis, based on the availability of nonequilibrium charge
carriers and their delayed return to equilibrium, is employed to assess the state of equivalent …

[HTML][HTML] Accuracy bottlenecks in impedance spectroscopy due to transient effects

V Lopez-Richard, S Pradhan, LK Castelano… - Journal of Applied …, 2024 - pubs.aip.org
Impedance spectroscopy is vital for material characterization and assessing electrochemical
device performance. It provides real-time analysis of dynamic processes such as electrode …

Inadequacy of equivalent circuits in nonlinear systems with inherent memory

V Lopez-Richard, RS Silva, O Lipan… - arXiv preprint arXiv …, 2023 - arxiv.org
Basic multimode impedance analysis grounded in the availability of nonequilibrium charge
carriers and their retarded path towards equilibrium is used to access the inadequacy of …

Simplified Simulations and Experiments to Determine Impedance Trends for Parallel Circuits in Series and in Parallel

Y Jin, RA Gerhardt - SoutheastCon 2023, 2023 - ieeexplore.ieee.org
The frequency response of impedance and admittance of a sample or a device can be
expressed by a generalized mathematical formula if the low frequency response and high …