Two-Dimensional Halide Perovskites Incorporating Straight Chain Symmetric Diammonium Ions, (NH3 C m H2 m NH3 )(CH3 NH3 ) n-1 Pb n I3 n+1 ( m = 4-9; n = 1-4)

Journal of the American Chemical Society
Xiaotong LiMercouri G Kanatzidis

Abstract

Low-dimensional halide perovskites have recently attracted intense interest as alternatives to the three-dimensional (3D) perovskites because of their greater tunability and higher environmental stability. Herein, we present the new homologous 2D series (NH3C mH2 mNH3)(CH3NH3) n-1Pb nI3 n+1 ( m = 4-9; n = 1-4), where m represents the carbon-chain number and n equals layer-thickness number. Multilayer ( n > 1) 2D perovskites incorporating diammonium cations were successfully synthesized by the solid-state grinding method for m = 4 and 6 and by the solution method for m = 7-9. Structural characterization by single-crystal X-ray diffraction for the m = 8 and m = 9 series ( n = 1-4) reveals that these compounds adopt the Cc space group for even n members and Pc for odd n members. The optical bandgaps are 2.15 eV for two-layer ( n = 2), 2.01 eV for three-layer ( n = 3), and 1.90 eV for four-layer ( n = 4). The materials exhibit excellent solution processability, and casting thin-films of the n = 3 members was successfully accomplished. The films show a clear tendency for the higher- m members to have preferred orientation on the glass substrate, with m = 8 exhibiting almost perfect vertical layer orientation and m = 9 displaying bot...Continue Reading

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Citations

Sep 21, 2019·Angewandte Chemie·Nicolas Mercier
Jun 24, 2020·Reports on Progress in Physics·Chintam HanmandluChih-Wei Chu
Oct 31, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Jason A McNultyPhilip Lightfoot
Nov 4, 2020·Chemical Communications : Chem Comm·Dongying FuXian-Ming Zhang
Nov 18, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Yuan-Yuan GuoPhilip Lightfoot
Feb 4, 2021·Journal of the American Chemical Society·Eugenia S VasileiadouMercouri G Kanatzidis
Jan 28, 2021·ACS Applied Materials & Interfaces·Jiahui HouShikuan Yang
Feb 11, 2021·The Journal of Physical Chemistry Letters·Zhuo XuShengzhong Frank Liu
Dec 6, 2020·Nature Nanotechnology·Jean-Christophe BlanconAditya D Mohite
Jun 8, 2021·Chemical Science·Justin M HoffmanMercouri G Kanatzidis
Jul 13, 2021·Chemical Reviews·Jie ChenOsman M Bakr
Aug 4, 2021·Journal of the American Chemical Society·Lili GaoMercouri G Kanatzidis
Aug 7, 2021·Journal of the American Chemical Society·Ruiyang LyuYiying Wu
Apr 14, 2020·Journal of the American Chemical Society·Lingling MaoMercouri G Kanatzidis
Nov 9, 2019·Accounts of Chemical Research·Daniel ProchowiczJanusz Lewiński
Jun 4, 2020·Journal of the American Chemical Society·Xiaotong LiMercouri G Kanatzidis
Feb 11, 2020·The Journal of Physical Chemistry Letters·Yangyang DangXutang Tao
Apr 14, 2020·Journal of the American Chemical Society·Ioannis SpanopoulosMercouri G Kanatzidis
Nov 21, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Mi-Hee Jung
Nov 7, 2018·Journal of the American Chemical Society·Lingling MaoMercouri G Kanatzidis
Aug 25, 2021·Journal of the American Chemical Society·Yu PengJunhua Luo
Sep 20, 2019·The Journal of Physical Chemistry Letters·Kaibo Zheng, Tönu Pullerits
Mar 17, 2020·Journal of the American Chemical Society·Xiaotong LiMercouri G Kanatzidis
Jul 18, 2019·Journal of the American Chemical Society·Xiaotong LiMercouri G Kanatzidis
May 8, 2019·Journal of the American Chemical Society·Weijun KeMercouri G Kanatzidis
Sep 2, 2020·Inorganic Chemistry·Dan-Na SongRun Zhang
Mar 28, 2020·The Journal of Physical Chemistry Letters·Chenkai DengQuanlin Liu
Apr 11, 2020·ACS Applied Materials & Interfaces·Qing TuVinayak P Dravid
Jun 28, 2019·Journal of the American Chemical Society·Justin M HoffmanMercouri G Kanatzidis

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