Influence of the Organic Chain on the Optical Properties of Two-Dimensional Organic-Inorganic Hybrid Lead Iodide Perovskites

被引：14

作者：

Liu, Guangyou ^{[1
]}

Qiu, Chuntian ^{[1
]}

Tian, Bingbing ^{[1
]}

Pan, Xiangning ^{[1
]}

Ding, Dong ^{[1
]}

Chen, Yu ^{[1
]}

Ren, Can ^{[3
]}

He, Tingchao ^{[3
]}

Shi, Yumeng ^{[1
]}

Su, Chenliang ^{[1
,2
]}

Li, Ying ^{[1
,2
]}

Gao, Yanxia ^{[3
]}

Fan, Dianyuan ^{[1
,2
]}

机构：

[1] Shenzhen Univ, SZU NUS Collaborat Innovat Ctr Optoelect Sci & Te, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Inst Microscale Optoelect,Minist Educ, Shenzhen 518060, Peoples R China

[2] Shenzhen Univ, Engn Technol Res Ctr 2D Mat Informat Funct Device, Shenzhen 518060, Peoples R China

[3] Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China

来源：

ACS APPLIED ELECTRONIC MATERIALS | 2019年 / 1卷 / 11期

关键词：

organic-inorganic hybrid perovskite; organic chains; 2D materials; tunable optoelectronics properties; photodetector; HALIDE PEROVSKITES; PHOTODETECTORS; SENSITIZERS; EMISSION; CRYSTALS;

D O I：

10.1021/acsaelm.9b00466

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Two-dimensional (2D) organic inorganic hybrid perovskites (OIHPs) have recently drawn great interest due to their easy synthesis and excellent photoelectric properties. With tunable bandgaps, 2D OIHPs have been widely investigated for use in optoelectronic sensors, photodetectors, and solar cells. In this work, we synthesized three types of 2D perovskites with different organic chains, (CH3(CH2)(3)NH3)(2)PbI4 (C4, (BA)(2)PbI4), (CH3(CH2)(5)NH3)(2)PbI4 (C6, (HA)(2)PbI4), and (CH3(CH2)(7)NH3)(2)PbI4 (C8, (OA)(2)PbI4), and investigated their photoelectric properties. With increasing organic chain length, the interlayer spacing, bandgaps, and stability in air increased correspondingly. In addition, tunable optoelectronic properties were achieved when these three perovskites with different organic chain cations were employed to fabricate photodetectors. The results provide an effective method for synthesizing various OIHPs via tuning different organic cations and are helpful to broaden the applications of OIHPs in photoelectric devices.

引用

页码：2253 / 2259

页数：13

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