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Cited by 31Perovskite Materials and ApplicationsBiosensors and Analytical DetectionMolecular Sensors and Ion Detection

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3D printed optical sensor for highly sensitive detection of picric acid using perovskite nanocrystals and mechanism of photo-electron transfer

Kumar, Anshu, Nath, Prathul, Kumar, Vishal, Kumar Tailor, Naveen, Satapathi, Soumitra·2023·Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
DOI 10.1016/j.saa.2022.121956
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Abstract

Hand-held, compact and portable sensors for on-site detection of environmental contaminants are in high demand for industry 4.0. Here, we have developed a sensor based on luminescent organic-inorganic metal halide hybrid perovskites nanocrystals (CH 3 NH 3 PbBr 3) with p-xylylenediamine as an additional capping agent for highly sensitive and selective detection of picric acid (PA), with a good linear range of 1.8 μM-14.3 μM achieving detection of limit (LOD) of 0.3 μM. The electrostatic interaction between PA and the capping ligand of perovskite nanocrystals resulted in significant fluorescence quenching, as revealed by the steady-state and time-resolved spectroscopy. The applicability of the developed sensor for PA detection was validated with a 3D printed device integrating surface mounting device (SMD) and paper microfluidics. This prototype device was successfully applied as a fluorescence turn-off sensor to detect PA, showing great potential for on-site detection. This 3D-printed paper-based microfluidic optical sensor proved very efficient for naked-eye detection of PA with an inbuilt excitation source, avoiding the requirement of expensive and complex instrumentation.

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Metadata

Authors
Kumar, A., Nath, P., Kumar, V., Kumar Tailor, N., & Satapathi, S.
Affiliations
Indian Institute of Technology Roorkee (IN)
Corresponding author
Satapathi, Soumitra
ORCID
Venue
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Publisher
Elsevier BV
Published
2023-02
Volume
286
Pages
121956
ISSN
1386-1425 (ISSN-L)
DOI
10.1016/j.saa.2022.121956
OpenAlex
W4304080183
Cited by
31
References
0
Citations by year
2026: 4 · 2025: 5 · 2024: 11 · 2023: 11
FWCI
1.85
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Indian Institute of Technology Roorkee
  • Ministry of Education, India
  • Science and Engineering Research Board (IPA/2021/000096)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Perovskite Materials and Applications
  • Physical Sciences › Engineering › Biomedical Engineering › Biosensors and Analytical Detection
  • Physical Sciences › Chemistry › Spectroscopy › Molecular Sensors and Ion Detection
Keywords
picric acid detection, 3D-printed sensors, perovskite nanocrystals, MAPbBr3, fluorescence quenching, paper-based microfluidics, handheld sensor, environmental contaminant detection, naked-eye detection
MeSH terms
Electrons, Oxides, Picrates, Titanium, Calcium Compounds, Metal Nanoparticles, Printing, Three-Dimensional

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CoChat. (2026). Citation check: 3D printed optical sensor for highly sensitive detection of picric acid using perovskite nanocrystals and mechanism of photo-electron transfer. https://app.cochat.ai/papers/10.1016/j.saa.2022.121956
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Kumar, A., Nath, P., Kumar, V., Kumar Tailor, N., & Satapathi, S. (2023). 3D printed optical sensor for highly sensitive detection of picric acid using perovskite nanocrystals and mechanism of photo-electron transfer. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. https://doi.org/10.1016/j.saa.2022.121956