Research Article
Enhancing Charge Transfer and Photoelectric Characteristics for Organic Solar Cells
Figure 6
Molecular electrostatic potential plots of dyes ZHG5, ZHG6, and ZHG7 under uniform standards, where the red color depicts negative (electron-rich) regions (the preferred areas of electrophilic attack) and blue color depicts positive (electron-poor) regions (which preferred areas of nucleophilic attack).