DataVXACS Applied Electronic MaterialsPaper
journal article·2019-11-26

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

Guangyou Liu, Chuntian Qiu, Bingbing Tian, Xiangning Pan, Dong Ding, Yu Chen, Can Ren, Tingchao He, Yumeng Shi, Chenliang Su, Ying Li, Yanxia Gao, Dianyuan Fan

ACS Applied Electronic Materials· Volume 1· Issue 11
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Source abstract

Abstract

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)3NH3)2PbI4 (C4, (BA)2PbI4), (CH3(CH2)5NH3)2PbI4 (C6, (HA)2PbI4), and (CH3(CH2)7NH3)2PbI4 (C8, (OA)2PbI4), 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.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · 2D Materials and Applications · Conducting polymers and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China

College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China

Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, Shenzhen University, Shenzhen, 518060, China

Funding

Department of Education of Guangdong Province · Science and Technology Project of Shenzhen · Guangdong Province · Shenzhen Municipality

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