소개글
[고체화학] 석유에너지 고갈과 고분자 태양전지의 연구(영문)에 대한 자료입니다.
목차
Introduction
Theory
Background
Conclusion
본문내용
◈ Solar cells placed is potential difference
at open-circuit state, when it receive the light.
◈ Maximum Voc is obtained by work function difference
between P-type material and N-type material.
◈ Voc,max = N-type material’s LUMO level
– P-type material’s HOMO level
→ higher bandgap!!
◈ Higher Voc → Higher efficiency of solar cell!!
◈ Reverse of current density(negative value)
at short-circuit state, when it receive the light.
◈ Jsc ∝ ηabs ηdiss ηout
(ηabs : the absorption efficiency of the materials
ηdiss : the efficiency of exciton dissociation
ηout : the collection efficiency of separated charge carriers)
◈ Sun light reflection should be reduced as much as possible
at solar cell’s surface, for high Jsc
◈ lower band gap → higher Jsc
→ Higher efficiency of solar cell!!