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Download Hi-Res ImageDownload to MS-PowerPointCite This:ACS Materials Lett. 2024, 6, 5, 1968-1976
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    Polypropylene-Derived Luminescent Carbon Dots
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    • Yongqi Yang
      Yongqi Yang
      Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, New Jersey 08854, United States
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    • Sneha Sreekumar
      Sneha Sreekumar
      Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, New Jersey 08854, United States
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    • Robert V. Chimenti
      Robert V. Chimenti
      Department of Physics & Astronomy, Rowan University, 201 Mullica Hill Rd., Glassboro, New Jersey 08028, United States
      Advanced Materials & Manufacturing Institute (AMMI), Rowan University, 201 Mullica Hill Rd., Glassboro, New Jersey 08028, United States
      More by Robert V. Chimenti
      Orcidhttps://orcid.org/0000-0002-5119-2140
    • Maxim Veksler
      Maxim Veksler
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
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    • Kai Song
      Kai Song
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
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    • Sofia Zhang
      Sofia Zhang
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
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    • Daphne Rodas
      Daphne Rodas
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
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    • Victoria Christianson
      Victoria Christianson
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
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    • Deirdre M. O’Carroll*
      Deirdre M. O’Carroll
      Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, New Jersey 08854, United States
      The Governor’s School of New Jersey in Engineering and Technology, Piscataway, New Jersey 08854, United States
      Department of Materials Science and Engineering, Rutgers University, 607 Taylor Road, Piscataway, New Jersey 08854, United States
      *Email: [email protected]
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      Orcidhttps://orcid.org/0000-0001-7209-4278
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    ACS Materials Letters

    Cite this: ACS Materials Lett. 2024, 6, 5, 1968–1976
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    https://doi.org/10.1021/acsmaterialslett.3c01419
    Published April 12, 2024
    Copyright © 2024 American Chemical Society
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    Abstract

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    Polypropylene is one of the most challenging plastics to recycle or upcycle due to its excellent chemical and thermal stability. Here, we report an effective two-step synthesis to prepare carbon dots (CDs) from polypropylene (PP). In the first step, bulk PP is converted to PP nanoparticles (PP-NPs) by using a reprecipitation process. In the second step, the PP-NPs are carbonized by a hydrothermal treatment. The size, structure, and photonic properties of the PP-CDs vary significantly with hydrothermal treatment temperature. At higher temperature, the PP-CDs product is ∼2.5 nm in diameter with a quantum yield of 10.3% and is free from unconverted PP. At lower temperature (120 °C), the PP-CDs are large in size (∼70 nm) and exhibit low quantum yield (0.2%). This work demonstrates an effective method to fully convert polypropylene to carbon dots and shows a high degree of tunability in the size, structure, and photonic properties of the product.

    Copyright © 2024 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acsmaterialslett.3c01419

    • Introduction to the literature on plastic polymers for upcycling to carbon dots (CDs); materials and experiment methods; DLS results; photographs of PP-CDs and absorption spectra of PP-NPs and mixed solvents for NIPS method; photoluminescence spectra of samples at different purification stages; optical spectra of dialyzed PP-CDs; FT-IR absorbance spectra of PP-CDs; PXRD patterns of PP-CDs, Raman spectra of PP-CDs, graphite, PP-NPs, and the Si substrate; XPS spectra of PP-CDs and graphite; and results of CDs from 120 °C, 14 h reaction (PDF)

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    Cited By

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    This article is cited by 2 publications.

    1. Tanima Bhattacharya, Rahul Joshi, Lemma Teshome Tufa, Mahendra Goddati, Jaebeom Lee, Ameeta Tewari, Byoung-Kwan Cho. l-Cysteine-Modified Carbon Dots Derived from Hibiscus rosa-sinensis for Thiram Pesticides Identification on Edible Perilla Leaves. ACS Omega 2024, 9 (48) , 47647-47660. https://doi.org/10.1021/acsomega.4c07090
    2. Li Zhao, Tianjian Sha, Yufu Liu, Qingsong Mei, Haibin Li, Pinghua Sun, Haibo Zhou, Huaihong Cai. Rapid and Large-Scale Synthesis of Chiral and Fluorescent Sulfur Quantum Dots for Intracellular Temperature Monitoring. Chemical & Biomedical Imaging 2024, Article ASAP.
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    ACS Materials Letters

    Cite this: ACS Materials Lett. 2024, 6, 5, 1968–1976
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acsmaterialslett.3c01419
    Published April 12, 2024
    Copyright © 2024 American Chemical Society
    Request reuse permissions

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