Defect passivation of CsPbI2Br perovskites through Zn(II) doping: toward efficient and stable solar cells

Defect passivation is an important strategy to achieve perovskite solar cells (PVSCs) with enhanced power conversion efficiencies (PCEs) and improved stability because the trap states induced by defects in the interfaces and grain boundaries of perovskites are harmful to both large open circuit volt...

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Veröffentlicht in:	Science China. Chemistry 2019-08, Vol.62 (8), p.1044-1050
Hauptverfasser:	Lu, Jiajun, Chen, Shan-Ci, Zheng, Qingdong
Format:	Artikel
Sprache:	eng
Schlagworte:	Charge transport Chemistry Chemistry and Materials Science Chemistry/Food Science Control equipment Crystal defects Defects Diffusion length Doping Energy conversion efficiency Glass substrates Grain boundaries Grain growth Interface stability Morphology Open circuit voltage Passivity Perovskites Phase transitions Photoelectric effect Photoelectric emission Photoluminescence Photovoltaic cells Science Solar cells
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