A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor

M. J. Bryant, J. M. Skelton, L. E. Hatcher, C. Stubbs, E. Madrid, A. R. Pallipurath, L. H. Thomas, C. H. Woodall, J. Christensen, S. Fuertes, T. P. Robinson, C. M. Beavers, S. J. Teat, M. R. Warren, F. Pradaux-Caggiano, A. Walsh, F. Marken, D. R. Carbery, S. C. Parker, N. B. McKeownR. Malpass-Evans, M. Carta, P. R. Raithby

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Selective, robust and cost-effective chemical sensors for detecting small volatile-organic compounds (VOCs) have widespread applications in industry, healthcare and environmental monitoring. Here we design a Pt(II) pincer-Type material with selective absorptive and emissive responses to methanol and water. The yellow anhydrous form converts reversibly on a subsecond timescale to a red hydrate in the presence of parts-per-Thousand levels of atmospheric water vapour. Exposure to methanol induces a similarly-rapid and reversible colour change to a blue methanol solvate. Stable smart coatings on glass demonstrate robust switching over 104 cycles, and flexible microporous polymer membranes incorporating microcrystals of the complex show identical vapochromic behaviour. The rapid vapochromic response can be rationalised from the crystal structure, and in combination with quantum-chemical modelling, we provide a complete microscopic picture of the switching mechanism. We discuss how this multiscale design approach can be used to obtain new compounds with tailored VOC selectivity and spectral responses.

Original languageEnglish
Article number1800
JournalNature communications
Volume8
Issue number1
DOIs
Publication statusPublished - 2017 Dec 1

Fingerprint

Chemical sensors
Methanol
Volatile Organic Compounds
methyl alcohol
volatile organic compounds
sensors
Microcrystals
Health Care Sector
environmental monitoring
Environmental Monitoring
microcrystals
Steam
Hydrates
spectral sensitivity
hydrates
Glass
water vapor
Polymers
Color
Crystal structure

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Bryant, M. J., Skelton, J. M., Hatcher, L. E., Stubbs, C., Madrid, E., Pallipurath, A. R., ... Raithby, P. R. (2017). A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor. Nature communications, 8(1), [1800]. https://doi.org/10.1038/s41467-017-01941-2
Bryant, M. J. ; Skelton, J. M. ; Hatcher, L. E. ; Stubbs, C. ; Madrid, E. ; Pallipurath, A. R. ; Thomas, L. H. ; Woodall, C. H. ; Christensen, J. ; Fuertes, S. ; Robinson, T. P. ; Beavers, C. M. ; Teat, S. J. ; Warren, M. R. ; Pradaux-Caggiano, F. ; Walsh, A. ; Marken, F. ; Carbery, D. R. ; Parker, S. C. ; McKeown, N. B. ; Malpass-Evans, R. ; Carta, M. ; Raithby, P. R. / A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor. In: Nature communications. 2017 ; Vol. 8, No. 1.
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abstract = "Selective, robust and cost-effective chemical sensors for detecting small volatile-organic compounds (VOCs) have widespread applications in industry, healthcare and environmental monitoring. Here we design a Pt(II) pincer-Type material with selective absorptive and emissive responses to methanol and water. The yellow anhydrous form converts reversibly on a subsecond timescale to a red hydrate in the presence of parts-per-Thousand levels of atmospheric water vapour. Exposure to methanol induces a similarly-rapid and reversible colour change to a blue methanol solvate. Stable smart coatings on glass demonstrate robust switching over 104 cycles, and flexible microporous polymer membranes incorporating microcrystals of the complex show identical vapochromic behaviour. The rapid vapochromic response can be rationalised from the crystal structure, and in combination with quantum-chemical modelling, we provide a complete microscopic picture of the switching mechanism. We discuss how this multiscale design approach can be used to obtain new compounds with tailored VOC selectivity and spectral responses.",
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Bryant, MJ, Skelton, JM, Hatcher, LE, Stubbs, C, Madrid, E, Pallipurath, AR, Thomas, LH, Woodall, CH, Christensen, J, Fuertes, S, Robinson, TP, Beavers, CM, Teat, SJ, Warren, MR, Pradaux-Caggiano, F, Walsh, A, Marken, F, Carbery, DR, Parker, SC, McKeown, NB, Malpass-Evans, R, Carta, M & Raithby, PR 2017, 'A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor', Nature communications, vol. 8, no. 1, 1800. https://doi.org/10.1038/s41467-017-01941-2

A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor. / Bryant, M. J.; Skelton, J. M.; Hatcher, L. E.; Stubbs, C.; Madrid, E.; Pallipurath, A. R.; Thomas, L. H.; Woodall, C. H.; Christensen, J.; Fuertes, S.; Robinson, T. P.; Beavers, C. M.; Teat, S. J.; Warren, M. R.; Pradaux-Caggiano, F.; Walsh, A.; Marken, F.; Carbery, D. R.; Parker, S. C.; McKeown, N. B.; Malpass-Evans, R.; Carta, M.; Raithby, P. R.

In: Nature communications, Vol. 8, No. 1, 1800, 01.12.2017.

Research output: Contribution to journalArticle

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AU - Bryant, M. J.

AU - Skelton, J. M.

AU - Hatcher, L. E.

AU - Stubbs, C.

AU - Madrid, E.

AU - Pallipurath, A. R.

AU - Thomas, L. H.

AU - Woodall, C. H.

AU - Christensen, J.

AU - Fuertes, S.

AU - Robinson, T. P.

AU - Beavers, C. M.

AU - Teat, S. J.

AU - Warren, M. R.

AU - Pradaux-Caggiano, F.

AU - Walsh, A.

AU - Marken, F.

AU - Carbery, D. R.

AU - Parker, S. C.

AU - McKeown, N. B.

AU - Malpass-Evans, R.

AU - Carta, M.

AU - Raithby, P. R.

PY - 2017/12/1

Y1 - 2017/12/1

N2 - Selective, robust and cost-effective chemical sensors for detecting small volatile-organic compounds (VOCs) have widespread applications in industry, healthcare and environmental monitoring. Here we design a Pt(II) pincer-Type material with selective absorptive and emissive responses to methanol and water. The yellow anhydrous form converts reversibly on a subsecond timescale to a red hydrate in the presence of parts-per-Thousand levels of atmospheric water vapour. Exposure to methanol induces a similarly-rapid and reversible colour change to a blue methanol solvate. Stable smart coatings on glass demonstrate robust switching over 104 cycles, and flexible microporous polymer membranes incorporating microcrystals of the complex show identical vapochromic behaviour. The rapid vapochromic response can be rationalised from the crystal structure, and in combination with quantum-chemical modelling, we provide a complete microscopic picture of the switching mechanism. We discuss how this multiscale design approach can be used to obtain new compounds with tailored VOC selectivity and spectral responses.

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Bryant MJ, Skelton JM, Hatcher LE, Stubbs C, Madrid E, Pallipurath AR et al. A rapidly-reversible absorptive and emissive vapochromic Pt(II) pincer-based chemical sensor. Nature communications. 2017 Dec 1;8(1). 1800. https://doi.org/10.1038/s41467-017-01941-2