Enhanced vapour sensing using silicon nanowire devices coated with Pt nanoparticle functionalized porous organic frameworks

Anping Cao, Meixia Shan, Laura Paltrinieri, Wiel H. Evers, Liangyong Chu, Lukasz Poltorak, Johan H. Klootwijk, Beatriz Seoane, Jorge Gascon, Ernst J.R. Sudhölter, Louis C.P.M. De Smet

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

Recently various porous organic frameworks (POFs, crystalline or amorphous materials) have been discovered, and used for a wide range of applications, including molecular separations and catalysis. Silicon nanowires (SiNWs) have been extensively studied for diverse applications, including as transistors, solar cells, lithium ion batteries and sensors. Here we demonstrate the functionalization of SiNW surfaces with POFs and explore its effect on the electrical sensing properties of SiNW-based devices. The surface modification by POFs was easily achieved by polycondensation on amine-modified SiNWs. Platinum nanoparticles were formed in these POFs by impregnation with chloroplatinic acid followed by chemical reduction. The final hybrid system showed highly enhanced sensitivity for methanol vapour detection. We envisage that the integration of SiNWs with POF selector layers, loaded with different metal nanoparticles will open up new avenues, not only in chemical and biosensing, but also in separations and catalysis.

Original languageEnglish
Pages (from-to)6884-6891
Number of pages8
JournalNanoscale
Volume10
Issue number15
DOIs
Publication statusPublished - 21 Apr 2018

Fingerprint

Silicon
Nanowires
Vapors
Nanoparticles
Catalysis
Metal nanoparticles
Polycondensation
Platinum
Hybrid systems
Impregnation
Amines
Methanol
Surface treatment
Solar cells
Transistors
Crystalline materials
Acids
Sensors

Cite this

Cao, A., Shan, M., Paltrinieri, L., Evers, W. H., Chu, L., Poltorak, L., ... De Smet, L. C. P. M. (2018). Enhanced vapour sensing using silicon nanowire devices coated with Pt nanoparticle functionalized porous organic frameworks. Nanoscale, 10(15), 6884-6891. https://doi.org/10.1039/c7nr07745a
Cao, Anping ; Shan, Meixia ; Paltrinieri, Laura ; Evers, Wiel H. ; Chu, Liangyong ; Poltorak, Lukasz ; Klootwijk, Johan H. ; Seoane, Beatriz ; Gascon, Jorge ; Sudhölter, Ernst J.R. ; De Smet, Louis C.P.M. / Enhanced vapour sensing using silicon nanowire devices coated with Pt nanoparticle functionalized porous organic frameworks. In: Nanoscale. 2018 ; Vol. 10, No. 15. pp. 6884-6891.
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Cao, A, Shan, M, Paltrinieri, L, Evers, WH, Chu, L, Poltorak, L, Klootwijk, JH, Seoane, B, Gascon, J, Sudhölter, EJR & De Smet, LCPM 2018, 'Enhanced vapour sensing using silicon nanowire devices coated with Pt nanoparticle functionalized porous organic frameworks', Nanoscale, vol. 10, no. 15, pp. 6884-6891. https://doi.org/10.1039/c7nr07745a

Enhanced vapour sensing using silicon nanowire devices coated with Pt nanoparticle functionalized porous organic frameworks. / Cao, Anping; Shan, Meixia; Paltrinieri, Laura; Evers, Wiel H.; Chu, Liangyong; Poltorak, Lukasz; Klootwijk, Johan H.; Seoane, Beatriz; Gascon, Jorge; Sudhölter, Ernst J.R.; De Smet, Louis C.P.M.

In: Nanoscale, Vol. 10, No. 15, 21.04.2018, p. 6884-6891.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - De Smet, Louis C.P.M.

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