Surface crafting and entrapment of CsPbBr3 perovskite QDs in ZIF-8 for ammonia recognition

Imtiaz Ahmad; Mohammed Abohashrh; Abdur Rahim; Sadia Ahmad; Tahir Muhmood; Hongli Wen

doi:10.1016/j.saa.2023.123091

Surface crafting and entrapment of CsPbBr₃ perovskite QDs in ZIF-8 for ammonia recognition

Spectrochim Acta A Mol Biomol Spectrosc. 2023 Dec 5:302:123091. doi: 10.1016/j.saa.2023.123091. Epub 2023 Jun 29.

Authors

Imtiaz Ahmad¹, Mohammed Abohashrh², Abdur Rahim³, Sadia Ahmad⁴, Tahir Muhmood⁵, Hongli Wen⁶

Affiliations

¹ Membrane Science and Technology Research Group, Chemistry Department, Faculty of Science and Technology, Universitas Airlangga, Surabaya, Indonesia; Department of Chemistry, Fatima Jinnah Woman University, The Mall, Rawalpindi, Pakistan. Electronic address: imtiaz.ahmad14@outlook.com.
² Department of Basic Medical Sciences, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia.
³ Department of Zoology, University of Malakand, Pakistan.
⁴ Department of Chemistry, Fatima Jinnah Woman University, The Mall, Rawalpindi, Pakistan.
⁵ College of Science, Nanjing Forestry University, Nanjing 210037 PR China. Electronic address: muhmoodtahir@njfu.edu.cn.
⁶ Key Laboratory of Clean Chemistry Technology of Guangdong Regular Higher Education Institutions, School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China. Electronic address: hongliwen@gdut.edu.cn.

PMID: 37453386
DOI: 10.1016/j.saa.2023.123091

Abstract

The substantial optical features of perovskite quantum dots (PQD) lead to rapid growth in the investigation of their surface and lattice doping for optoelectronic and biochemical sensor advancements. Herein, we have used the surface ligand crafting model of PQD by ammonia and its optimum response to recognise ammonia in the sensing cellulose paper. The PQD with acetyl amine and octanoic acid capped were synthesized and entrapped in zeolites imidazole framework to delay the instant quenching and envisaged response to ammonia with high sensitivity. The hybrid perovskite quantum dots and Zeolite imidazolate framework-8 (PQD@ZIF-8) materials were further immersed in cellulose paper for solid-state sensor fabrication for the detection of ammonia by naked-eye and a Xiaomi Note-5 mobile camera. The ammonia was measured with high sensitivity at ambient conditions, with a detection limit of 16 ppm and a linear detection range of 1 to 500 ppm. This research provides a new platform for designing sensor selectivity and sensitivity, which could be used to further develop fluorescent nanomaterials-based sensors for small molecule detection.

Keywords: Ammonia absorption; Ammonia sensor; Encapsulation of Quantum dots; Gas detection; Metal Organic Framework (MOF); Perovskite quantum dots; Surface ligand Exchange; Zeolite imidazole framework (ZIF-8).