This leads to a negligible electric field in device no. 5, and a flat-band condition already exists in short-circuit condition, rendering the device a nearly zero-field PV.中有两处不是很明白:(short-circuit 的连字符应该不影响意思吧…………)
1. flat-band condition 是什么?平带么??不是很明白是什么意思…………
2. zero-field PV 是什么东西??
求诸位不吝赐教…………