A Facile Route to Cesium Lead Bromoiodide Perovskite Microcrystals and Their Potential Application as Sensors for Nitrophenol Explosives

被引:33
作者
Aamir, Muhammad [1 ,2 ]
Khan, Malik Dilshad [1 ]
Sher, Muhammad [2 ]
Bhosale, Sheshanath V. [3 ]
Malik, Mohammad Azad [1 ,4 ]
Akhtar, Javeed [5 ]
Revaprasadu, Neerish [1 ]
机构
[1] Univ Zululand, Dept Chem, Private Bag X1001, ZA-3886 Kwa Dlangezwa, South Africa
[2] Allama Iqbal Open Univ, Dept Chem, Islamabad, Pakistan
[3] RMIT Univ, Sch Sci, GPO Box 2476, Melbourne, Vic 3001, Australia
[4] Univ Manchester, Sch Mat, Oxford Rd, Manchester M13 9PL, Lancs, England
[5] COMSATS, Inst Informat Technol CIIT, Dept Phys, Polymers & Mat Synth PMS Lab, Islamabad, Pakistan
基金
新加坡国家研究基金会;
关键词
Perovskites; Antisolvents; Crystal growth; Sensors; LIGHT-EMITTING-DIODES; SELECTIVE DETECTION; HALIDE PEROVSKITES; SINGLE-CRYSTALS; SOLAR-CELLS; NANOCRYSTALS; CSPBBR3; PHASE; 2,4,6-TRINITROPHENOL; NANOPARTICLES;
D O I
10.1002/ejic.201700660
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
To achieve a material with pure phase and crystallinity, the use of antisolvents is found to be crucial. Herein, we report the synthesis of phase-pure CsPbBr2I microcrystals with defined morphologies by using trioctylphosphine (TOP) as an antisolvent and capping agent. The as-prepared inorganic perovskite has enhanced thermal stability and promising optical properties, displaying a band gap of 2.2 eV. The photoluminescence (PL) studies suggest high sensitivity of the as-prepared inorganic perovskites against nitrophenols, which makes them a potential candidate for the detection of nitrophenol.
引用
收藏
页码:3755 / 3760
页数:6
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