Three-step vapor Se/N2/vapor Se reaction of electrodeposited Cu/In/Ga precursor for preparing CuInGaSe2 thin films
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文摘

Solid Se source is used to provide Se atmosphere for selenizing Cu/In/Ga precursors.

Three-step reaction has been used to solve the common issue of Ga accumulation.

Selenization without CuGaSe2 phase formation in the first step favors the Ga diffusion.

Ga re-diffusion and significant grain growth happened during the second step.

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