Contact electrification (CE) was humanity's earliest and sole source of electricity until about the 18th century, but its real nature remains a mystery. Today, it is regarded as a critical component of technologies such as laser printers, LCD production processes, electrostatic painting, plastic sep
The study demonstrated that charge mosaics are a direct consequence of ESD.
For a long time, it was believed that two contacting/sliding materials charge in opposing and uniform directions. However, after CE, it was discovered that each of the separated surfaces carries both and charges. The formation of so-called charge mosaics was attributed to experiment irreproducibility, inherent inhomogeneities of contacting materials, or the general “stochastic nature” of CE.A research team, led by Professor Bartosz A.
Figure 1. Charge mosaics on contact-charged dielectrics. In a conventional view, two electrically neutral materials are brought into contact and then separated charge uniformly , one positive and one negative . In an alternative scenario , each surface develops a highly non-uniform ‘charge mosaic’ with neighboring domains of opposite charge polarities. Collage of charge mosaics reported in the literature .
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