A Two-Dimensional Ruddlesden-Popper Perovskite Nanowire Laser Array based on Ultrafast Light-Harvesting Quantum Wells

Haihua Zhang; Yishi Wu; Qing Liao; Zhaoyi Zhang; Yanping Liu; Qinggang Gao; Peng Liu; Meili Li; Jiannian Yao; Hongbing Fu

doi:10.1002/anie.201802515

A Two-Dimensional Ruddlesden-Popper Perovskite Nanowire Laser Array based on Ultrafast Light-Harvesting Quantum Wells

Angew Chem Int Ed Engl. 2018 Jun 25;57(26):7748-7752. doi: 10.1002/anie.201802515. Epub 2018 May 25.

Authors

Haihua Zhang^{1

2

3}, Yishi Wu², Qing Liao⁴, Zhaoyi Zhang⁴, Yanping Liu², Qinggang Gao⁴, Peng Liu¹, Meili Li¹, Jiannian Yao², Hongbing Fu^{1

4}

Affiliations

¹ Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, P. R. China.
² Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.
³ University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.
⁴ Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China.

PMID: 29697899
DOI: 10.1002/anie.201802515

Abstract

Miniaturized nanowire nanolasers of 3D perovskites feature a high gain coefficient; however, room-temperature optical gain and nanowire lasers from 2D layered perovskites have not been reported to date. A biomimetic approach is presented to construct an artificial ligh-harvesting system in mixed multiple quantum wells (QWs) of 2D-RPPs of (BA)₂ (FA)_n-1 Pb_n Br_3n+1 , achieving room-temperature ASE and nanowire (NW) lasing. Owing to the improvement of flexible and deformable characteristics provided by organic BA cation layers, high-density large-area NW laser arrays were fabricated with high photostability. Well-controlled dimensions and uniform geometries enabled 2D-RPPs NWs functioning as high-quality Fabry-Perot (FP) lasers with almost identical optical modes, high quality (Q) factor (ca. 1800), and similarly low lasing thresholds.

Keywords: 2D materials; Ruddlesden-Popper perovskites; antennas; light-harvesting; nanowire laser arrays.

Publication types

Research Support, Non-U.S. Gov't