Unveiling Sodium Diffusion Kinetics and Locking Mechanisms for High‐Performance CZTSSe Photovoltaics

Unveiling Sodium Diffusion Kinetics and Locking Mechanisms for High‐Performance CZTSSe Photovoltaics

Abstract This work unveils a diffusion‐kinetic modulation strategy that fundamentally redefines sodium management in kesterite photovoltaics, enabling spatially controlled Na sequestration within Cu2ZnSn(S,Se)4 (CZTSSe) absorber layers through a thermally engineered “Na‐locking” mechanism. By establ...

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Bibliographic Details
Main Authors: Shuyu Li, Chaoran Li, Chu Liu, Jiachen Wu, Letu Siqin, Yuan Li, Guonan Cui, Yanchun Yang, Ruijian Liu, Hongmei Luan, Chengjun Zhu
Format: Article
Language:English
Published: Wiley 2025-08-01
Series:Advanced Science
Subjects:
Cu2ZnSn(S,Se)4
interface passivation
Na diffusion
Na locking
solar Cells
Online Access:https://doi.org/10.1002/advs.202504087
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https://doi.org/10.1002/advs.202504087

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