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Energy Spotlight. Stabilization of Perovskite Solar Cells
(American Chemical Society, 2021-11-12)
Long-term operational stability remains a major challenge in the commercialization of perovskite solar cells (PSCs). While the major thrust of recent research effort has been on understanding the degradation mechanism, ...
In Operando, Photovoltaic, and Microscopic Evaluation of Recombination Centers in Halide Perovskite-Based Solar Cells
(American Chemical Society, 2022-08-03)
The origin of the low densities of electrically active defects in Pb halide perovskite (HaP), a crucial factor for their use in photovoltaics, light emission, and radiation detection, remains a matter of discussion, in ...
Impedance Spectroscopy of Metal Halide Perovskite Solar Cells from the Perspective of Equivalent Circuits
(American Chemical Society, 2021-12-08)
Impedance spectroscopy (IS) provides a detailed understanding of the
dynamic phenomena underlying the operation of photovoltaic and optoelectronic devices.
Here we provide a broad summary of the application of IS to metal ...
Neuroinflammation as a possible link between attention-deficit/ hyperactivity disorder (ADHD) and pain
(ELSEVIER, 2021)
Attention-deficit/hyperactivity disorder (ADHD) and pathological pain are two complex syndromes of multifactorial origin. Despite their prevalence and broad impacts, these conditions are seldom recognized and managed ...
Chemical Inductor
(American Chemical Society, 2022-03-22)
A multitude of chemical, biological, and material systems present an inductive behavior that is not electromagnetic in origin. Here, it is termed a chemical inductor. We show that the structure of the chemical inductor ...
Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency Techniques
(American Chemical Society, 2020-09-21)
Small perturbation techniques have proven to be useful tools for the investigation of perovskite solar cells. A correct interpretation of the spectra given by impedance spectroscopy (IS), intensity-modulated photocurrent ...
Quantifying the Absorption Onset in the Quantum Efficiency of Emerging Photovoltaic Devices
(Wiley, 2021-04-28)
The external quantum efficiency (EQE), also known as incident-photon-to-collected-electron spectra are typically used to access the energy dependent photocurrent losses for photovoltaic devices. The integral over the EQE ...
Spectral properties of the dynamic state transition in metal halide perovskite-based memristor exhibiting negative capacitance
(American Institute of Physics, 2021-02-15)
The evolution of device properties in memristor switching between high- and low-resistance states is critical for applications and is still highly subjected to significant ambiguity. Here, we present the dynamic state ...
Insights into synaptic functionality and resistive switching in lead iodide flexible memristor devices
(Royal Society of Chemistry, 2024-01)
Neuromorphic platforms are gaining popularity due to their superior efficiency, low power consumption, and adaptable parallel signal processing capabilities, overcoming the limitations of traditional von Neumann architecture. ...
Ballistic-like space-charge-limited currents in halide perovskites at room temperature
(American Institute of Physics, 2021-12-13)
The emergence of halide perovskites in photovoltaics has diversified the research on this material family and extended their application toward several fields in the optoelectronics, such as photo- and ionizing-radiation ...