Inorganic–organic metal halide perovskite light harvester-based perovskite solar cells (PSCs) have come to the limelight of solar cell research due to their rapid growth in efficiency. At present, ...

Then, the identification method of EF appeared for the first time in the 1973 edition of ChP. In the 1985 edition of ChP, the EF identification method was officially determined as hydrochloric acid ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.