EDITORIAL

1. Preface to the Special Topic on In-Situ and in-operando Characterization of Semiconductor Materials and Devices
2. In-situ/operando characterization techniques for organic semiconductors and devices

RESEARCH HIGHLIGHTS

1. Inorganic electron-transport materials in perovskite solar cells
2. Stabilizing α-phase FAPbI3 solar cells
3. Frontier applications of perovskites beyond photovoltaics

REVIEWS

1. Comprehensive, in operando, and correlative investigation of defects and their impact on device performance
2. Study of structure-property relationship of semiconductor nanomaterials by off-axis electron holography
3. In-situ monitoring of dynamic behavior of catalyst materials and reaction intermediates in semiconductor catalytic processes
4. Structural evolution of low-dimensional metal oxide semiconductors under external stress
5. Recent progress on advanced transmission electron microscopy characterization for halide perovskite semiconductors

ARTICLES

1. DASP: Defect and Dopant ab-initio Simulation Package
2. Janus VXY monolayers with tunable large Berry curvature