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Eco-sustainable and flexible SERS platform based on waste cellulose decorated by Ag nanoparticles.

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Title: Eco-sustainable and flexible SERS platform based on waste cellulose decorated by Ag nanoparticles.
Authors: Giuffrida, D.1 (AUTHOR), Spadaro, D.1 (AUTHOR), Strano, V.2 (AUTHOR), Trusso, S.1 (AUTHOR), Saladino, M.L.1,3 (AUTHOR), Armetta, F.1,3 (AUTHOR), Ponterio, R.C.1 (AUTHOR)
Source: Materials Chemistry & Physics. Jan2025, Vol. 329, pN.PAG-N.PAG. 1p.
Subjects: SERS spectroscopy, Sustainability, Pulsed laser deposition, Chemical detectors, Substrates (Materials science)
Abstract: This paper presents an innovative and environmentally friendly technology for the fabrication of low-cost SERS (Surface-Enhanced Raman Spectroscopy) sensors based on flexible substrates made of cellulose fibers reclaimed from waste. The substrates are decorated with nanostructured silver (Ag) thin films produced by pulsed laser deposition (PLD). In this process, the deposition conditions (laser fluence, gas pressure, target-substrate distance, deposition time, etc.) were optimized to enhance the SERS response. Different types of paper with different textures were tested, as it was also observed that the paper roughness significantly influences SERS efficiency. The samples were characterized using UV–Vis absorption spectroscopy, SEM microscopy, and surface profilometry to evaluate both the paper and the deposited films' morphologies. The SERS activity was assessed by detecting Rhodamine 6G in aqueous solutions drop-casted on the sensors, with concentrations ranging from 10−2 M to 10−10 M. Measurements were carried out using a handheld instrument equipped with dual excitation laser lines centered at 785 nm and 833 nm. The observed lower detection limit of 10−10 M was achieved across all paper types tested. These results demonstrate the potential of integrating smart, eco-friendly materials in the fabrication of chemical sensors for sustainable advancement in environmental monitoring and safety. The materials not only exhibit excellent sensing capabilities but also minimize ecological footprints through renewable sourcing and eco-friendly production processes. While the deposition protocol is well-established for other substrates, this study marks the first exploration of its use on biomass-derived substrates. [Display omitted] • Innovative approach by utilizing recycled cellulose as substrates for SERS sensors. • Optimization of SERS response through controlled deposition conditions. • Use of recycled paper through renewable sourcing and eco-friendly production processes. • Promotion the reuse of waste materials. • Fabrication process avoids harmful chemicals, utilizing natural drying methods and sustainable production practices. [ABSTRACT FROM AUTHOR]
Copyright of Materials Chemistry & Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 181603754
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  Data: Eco-sustainable and flexible SERS platform based on waste cellulose decorated by Ag nanoparticles.
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  Data: <searchLink fieldCode="AR" term="%22Giuffrida%2C+D%2E%22">Giuffrida, D.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Spadaro%2C+D%2E%22">Spadaro, D.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Strano%2C+V%2E%22">Strano, V.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Trusso%2C+S%2E%22">Trusso, S.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Saladino%2C+M%2EL%2E%22">Saladino, M.L.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Armetta%2C+F%2E%22">Armetta, F.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ponterio%2C+R%2EC%2E%22">Ponterio, R.C.</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Materials+Chemistry+%26+Physics%22">Materials Chemistry & Physics</searchLink>. Jan2025, Vol. 329, pN.PAG-N.PAG. 1p.
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  Data: This paper presents an innovative and environmentally friendly technology for the fabrication of low-cost SERS (Surface-Enhanced Raman Spectroscopy) sensors based on flexible substrates made of cellulose fibers reclaimed from waste. The substrates are decorated with nanostructured silver (Ag) thin films produced by pulsed laser deposition (PLD). In this process, the deposition conditions (laser fluence, gas pressure, target-substrate distance, deposition time, etc.) were optimized to enhance the SERS response. Different types of paper with different textures were tested, as it was also observed that the paper roughness significantly influences SERS efficiency. The samples were characterized using UV–Vis absorption spectroscopy, SEM microscopy, and surface profilometry to evaluate both the paper and the deposited films' morphologies. The SERS activity was assessed by detecting Rhodamine 6G in aqueous solutions drop-casted on the sensors, with concentrations ranging from 10−2 M to 10−10 M. Measurements were carried out using a handheld instrument equipped with dual excitation laser lines centered at 785 nm and 833 nm. The observed lower detection limit of 10−10 M was achieved across all paper types tested. These results demonstrate the potential of integrating smart, eco-friendly materials in the fabrication of chemical sensors for sustainable advancement in environmental monitoring and safety. The materials not only exhibit excellent sensing capabilities but also minimize ecological footprints through renewable sourcing and eco-friendly production processes. While the deposition protocol is well-established for other substrates, this study marks the first exploration of its use on biomass-derived substrates. [Display omitted] • Innovative approach by utilizing recycled cellulose as substrates for SERS sensors. • Optimization of SERS response through controlled deposition conditions. • Use of recycled paper through renewable sourcing and eco-friendly production processes. • Promotion the reuse of waste materials. • Fabrication process avoids harmful chemicals, utilizing natural drying methods and sustainable production practices. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Materials Chemistry & Physics is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.matchemphys.2024.130061
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: SERS spectroscopy
        Type: general
      – SubjectFull: Sustainability
        Type: general
      – SubjectFull: Pulsed laser deposition
        Type: general
      – SubjectFull: Chemical detectors
        Type: general
      – SubjectFull: Substrates (Materials science)
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      – TitleFull: Eco-sustainable and flexible SERS platform based on waste cellulose decorated by Ag nanoparticles.
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            NameFull: Giuffrida, D.
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          Dates:
            – D: 01
              M: 01
              Text: Jan2025
              Type: published
              Y: 2025
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              Value: 329
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