Impedance spectroscopy (IS) provides a detailed understanding of the dynamic phenomena
underlying the operation of photovoltaic and optoelectronic devices. Here we provide a …

The memristor, a composite word of memory and resistor, has become one of the most
important electronic components for brain‐inspired neuromorphic computing in recent years …

The rapid development of information technology has led to urgent requirements for high
efficiency and ultralow power consumption. In the past few decades, neuromorphic …

Ion migration has been regarded as one of the most interesting and mysterious processes in
halide‐perovskite‐based electronic devices. On the one hand, ion migration contributes to …

Defects in perovskite films and the suboptimal interface contact largely limit the performance
and stability of inverted perovskite solar cells (PSCs). A simple surface post‐treatment with N …

Traps in the photoactive layer or interface can critically influence photovoltaic device
characteristics and stabilities. Here, traps passivation and retardation on device degradation …

Photovoltaic devices based on metal hybrid perovskite materials have been extensively
explored in recent years for the exceptional power-conversion efficiency and the potential …

In recent years, perovskite light‐emitting diodes (PeLEDs) have emerged as a promising
new lighting technology with high external quantum efficiency, color purity, and wavelength …

Kelvin probe force microscopy (KPFM) could identify the local work function of surface at
nanoscale with high-resolution on the basis of simultaneous visualization of surface …

The extensive research and development in perovskite solar cells (PSCs) have rekindled
the hopes of converting solar energy into electricity. An elusive understanding of underlying …