Surface photovoltage, Space charge and Point charges

by arrektor
Tags: charge, charges, photovoltage, point, space, surface
arrektor is offline
Jan21-14, 02:51 PM
P: 14
The surface photovoltage effect suggests that the potential at the surface of a semiconductor will change when it is illuminated since hole-electron pairs are created.

The regions near the surface (depletion regions) contains defects that create a built-in voltage and built-in potential and the mobile carriers are emptied from this region (creates a "band-bending").

I am thinking about the situation where metal nano-particles are embeeded within two semiconductors (organic). If these nanoparticles are restricted within a thin layer, would this create a photovoltage across that interface when light hits this system?
Phys.Org News Partner Physics news on
Researchers find tin selenide shows promise for efficiently converting waste heat into electrical energy
After 13 years, progress in pitch-drop experiment (w/ video)
Global scientific team 'visualizes' a new crystallization process (w/ video)

Register to reply

Related Discussions
Finding the Force on One Point Charge Due to Multiple Point Charges Introductory Physics Homework 13
What is point charge and test charge?Why coulomb's law is for point charges only? General Physics 4
Surface charge density on conducting cone with point charge inside Advanced Physics Homework 0
Fast multipole method question. Point charges vs surface charges Classical Physics 0
Find the charge of 2 point charges, given Uelec and total charge Introductory Physics Homework 0