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Ultrafast, Highly Sensitive, and Selective Detection of p-Xylene at Room Temperature by Peptide-Hydrogel-Based Composite Material AITranslate

Nilotpal Singha; Samya Neogi; Bapan Pramanik; Saurav Das; Antara Dasgupta; Ranajit Ghosh; Debapratim Das;
Indian Institute of Technology Guwahati;CSIR-Central Mechanical Engineering Research Institute (CMERI); Indian Institute of Technology Guwahati; Indian Institute of Technology Guwahati; Indian Institute of Technology Guwahati;CSIR-Central Mechanical Engineering Research Institute (CMERI); Indian Institute of Technology Guwahati
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Publisher: ACS
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Abstract AITranslate

A peptide/carbon dot (CD) composite xerogel is used as a selective p-xylene VOC (volatile organic compound) sensor. The fiber formation by the peptide allows us to attain a semiconducting property, whereas the presence of the CD amplifies the sensitivity. The selective detection of p-xylene is achieved at a very low concentration (response ≈ 96% for 50 ppm) with an ultrafast response (630 ms) and recovery (540 ms). The sensor is also able to detect p-xylene within crude oil, proving its industrial application. In comparison with the available VOC sensors, this work stands out as a low-cost, sensitive, and selective room-temperature p-xylene sensor with ultrafast sensing ability.

KeyWords AITranslate

pxylene sensor hydrogel organic semiconductor napthalenediimide VOC sensor peptide amphiphile
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00594

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Citation Information:

A peptide/carbon dot (CD) composite xerogel is used as a selective p-xylene VOC (volatile organic compound) sensor. The fiber formation by the peptide allows us to attain a semiconducting property, whereas the presence of the CD amplifies the sensitivity. The selective detection of p-xylene is achieved at a very low concentration (response ≈ 96% for 50 ppm) with an ultrafast response (630 ms) and recovery (540 ms). The sensor is also able to detect p-xylene within crude oil, proving its industrial application. In comparison with the available VOC sensors, this work stands out as a low-cost, sensitive, and selective room-temperature p-xylene sensor with ultrafast sensing ability.

quote

GB/T 7714-2015 [1] Nilotpal Singha, Samya Neogi, Bapan Pramanik, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00594.
MLA [1] Nilotpal Singha, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00594.
APA [1] Nilotpal Singha, Samya Neogi, Bapan Pramanik, Saurav Das, Antara Dasgupta, Ranajit Ghosh, & Debapratim Das. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00594
IEEE [1] Nilotpal Singha, Samya Neogi, Bapan Pramanik, Saurav Das, Antara Dasgupta, Ranajit Ghosh, and Debapratim Das, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00594. keywords: {pxylene sensor;hydrogel;organic semiconductor;napthalenediimide;VOC sensor;peptide amphiphile}