A two-dimensional bilayered Dion-Jacobson-type perovskite hybrid with a narrow bandgap for broadband photodetection

A two-dimensional bilayered Dion-Jacobson-type perovskite hybrid with a narrow bandgap for broadband photodetection

A novel 2D bilayered Dion-Jacobson (DJ) type hybrid perovskite, (2-methyl-1,5-diaminopentane)(methylammonium)Pb 2 I 7 ( 1 ), with a narrow band gap of 1.96 eV has been reported, and such a DJ-type hybrid has been for the first time demonstrated to exhibit broadband photoresponsive properties with hi...

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Veröffentlicht in:Inorganic chemistry frontiers 2020-03, Vol.7 (6), p.1394-1399
Hauptverfasser: Fu, Dongying, Yuan, Jianrong, Wu, Shichao, Yao, Yunpeng, Zhang, Xinyuan, Zhang, Xian-Ming
Format: Artikel
Sprache:eng
Schlagworte:
Broadband
Crystallography
Energy gap
Inorganic chemistry
Perovskites
Photoelectricity
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Zusammenfassung:A novel 2D bilayered Dion-Jacobson (DJ) type hybrid perovskite, (2-methyl-1,5-diaminopentane)(methylammonium)Pb 2 I 7 ( 1 ), with a narrow band gap of 1.96 eV has been reported, and such a DJ-type hybrid has been for the first time demonstrated to exhibit broadband photoresponsive properties with high photoresponsivity (13 A W −1 under a 10 V bias) and considerable switching ratios (>10 3 ). A unique 2D bilayered Dion-Jacobson type perovskite hybrid semiconductor shows broadband photodetection.
ISSN:2052-1553
2052-1545
2052-1553
DOI:10.1039/c9qi01540j