Review Article

Advancements in n-Type Base Crystalline Silicon Solar Cells and Their Emergence in the Photovoltaic Industry

Table 1

Best results for various n-type high efficiency cell structures.

TypeStructureMetallization (mV)Efficiency (%)References

Front surface field (FSF)
rear emitter cells
n+np+ PERT
(rear emitter cell)
Plated Ag metallization70222.7[32]
n+np+ (Al rear emitter)Front evaporated TiPdAg,
Rear full area evaporated
64920.1[28]
n+np+ (back contacts)Screen printed64720.0[33]

Back surface field (BSF)
front emitter cells
IBC ā€‰72124.2[34]
PERL (p+nn+)Evaporated front grid,
rear full area evaporated
70523.9[35]
PERT (p+nn+)Evaporated front grid + plating,
rear full area evaporated
69521.9[36]
p+nn+ (PANDA cell) Stencil printed64920.0[37]
MWT (p+nn+)
(back contacts)
Screen printed64419.7[38]

Heterojunction with intrinsic
thin layer (HIT) solar cell
HIT cellScreen printed74523.7[39]

Ion implanted emitter cellsIBCEvaporated
Al/Ti/Pd/Ag
650.120.0[40]