Charge Transfer Hybrids of Graphene Oxide and the Intrinsically Microporous Polymer PIM-1

Yuanyang Rong; Matthew J. Large; Manoj Tripathi; Sean P. Ogilvie; Aline Amorim Graf; Boyang Mao; Jacob Tunesi; Jonathan P. Salvage; Alice A.K. King; Alessia Pasquazi; Marco Peccianti; Richard Malpass-Evans; Neil B. Mckeown; Frank Marken; Alan B. Dalton

doi:10.1021/acsami.9b09832

Charge Transfer Hybrids of Graphene Oxide and the Intrinsically Microporous Polymer PIM-1

Yuanyang Rong, Matthew J. Large, Manoj Tripathi, Sean P. Ogilvie, Aline Amorim Graf, Boyang Mao, Jacob Tunesi, Jonathan P. Salvage, Alice A.K. King, Alessia Pasquazi, Marco Peccianti, Richard Malpass-Evans, Neil B. Mckeown, Frank Marken, Alan B. Dalton

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12 Citations (SciVal)

Abstract

Nanohybrid materials based on nanoparticles of the intrinsically microporous polymer PIM-1 and graphene oxide (GO) are prepared from aqueous dispersions with a reprecipitation method, resulting in the surface of the GO sheets being decorated with nanoparticles of PIM-1. The significant blueshift in fluorescence signals for the GO/PIM-1 nanohybrids indicates modification of the optoelectronic properties of the PIM-1 in the presence of the GO due to their strong interactions. The stiffening in the Raman G peak of GO (by nearly 6 cm^-1) further indicates p-doping of the GO in the presence of PIM. Kelvin probe force microscopy (KPFM) and electrochemical reduction measurements of the nanohybrids provide direct evidence for charge transfer between the PIM-1 nanoparticles and the GO nanosheets. These observations will be of importance for future applications of GO-PIM-1 nanohybrids as substrates and promoters in catalysis and sensing.

Original language	English
Pages (from-to)	31191-31199
Number of pages	9
Journal	ACS Applied Materials and Interfaces
Volume	11
Issue number	34
Early online date	2 Aug 2019
DOIs	https://doi.org/10.1021/acsami.9b09832
Publication status	Published - 28 Aug 2019

Funding

This work is supported by strategic development funding from the University of Sussex.

Keywords

catalysis
charge transfer
graphene oxide
microporous polymers
nanoparticles

ASJC Scopus subject areas

General Materials Science

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10.1021/acsami.9b09832

https://research.brighton.ac.uk/en/publications/charge-transfer-hybrids-of-graphene-oxide-and-the-intrinsically-m

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Rong, Y., Large, M. J., Tripathi, M., Ogilvie, S. P., Amorim Graf, A., Mao, B., Tunesi, J., Salvage, J. P., King, A. A. K., Pasquazi, A., Peccianti, M., Malpass-Evans, R., Mckeown, N. B., Marken, F., & Dalton, A. B. (2019). Charge Transfer Hybrids of Graphene Oxide and the Intrinsically Microporous Polymer PIM-1. ACS Applied Materials and Interfaces, 11(34), 31191-31199. https://doi.org/10.1021/acsami.9b09832

Rong, Y, Large, MJ, Tripathi, M, Ogilvie, SP, Amorim Graf, A, Mao, B, Tunesi, J, Salvage, JP, King, AAK, Pasquazi, A, Peccianti, M, Malpass-Evans, R, Mckeown, NB, Marken, F & Dalton, AB 2019, 'Charge Transfer Hybrids of Graphene Oxide and the Intrinsically Microporous Polymer PIM-1', ACS Applied Materials and Interfaces, vol. 11, no. 34, pp. 31191-31199. https://doi.org/10.1021/acsami.9b09832

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abstract = "Nanohybrid materials based on nanoparticles of the intrinsically microporous polymer PIM-1 and graphene oxide (GO) are prepared from aqueous dispersions with a reprecipitation method, resulting in the surface of the GO sheets being decorated with nanoparticles of PIM-1. The significant blueshift in fluorescence signals for the GO/PIM-1 nanohybrids indicates modification of the optoelectronic properties of the PIM-1 in the presence of the GO due to their strong interactions. The stiffening in the Raman G peak of GO (by nearly 6 cm-1) further indicates p-doping of the GO in the presence of PIM. Kelvin probe force microscopy (KPFM) and electrochemical reduction measurements of the nanohybrids provide direct evidence for charge transfer between the PIM-1 nanoparticles and the GO nanosheets. These observations will be of importance for future applications of GO-PIM-1 nanohybrids as substrates and promoters in catalysis and sensing.",

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AU - Amorim Graf, Aline

AU - Mao, Boyang

AU - Tunesi, Jacob

AU - Salvage, Jonathan P.

AU - King, Alice A.K.

AU - Pasquazi, Alessia

AU - Peccianti, Marco

AU - Malpass-Evans, Richard

AU - Mckeown, Neil B.

AU - Marken, Frank

AU - Dalton, Alan B.

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N2 - Nanohybrid materials based on nanoparticles of the intrinsically microporous polymer PIM-1 and graphene oxide (GO) are prepared from aqueous dispersions with a reprecipitation method, resulting in the surface of the GO sheets being decorated with nanoparticles of PIM-1. The significant blueshift in fluorescence signals for the GO/PIM-1 nanohybrids indicates modification of the optoelectronic properties of the PIM-1 in the presence of the GO due to their strong interactions. The stiffening in the Raman G peak of GO (by nearly 6 cm-1) further indicates p-doping of the GO in the presence of PIM. Kelvin probe force microscopy (KPFM) and electrochemical reduction measurements of the nanohybrids provide direct evidence for charge transfer between the PIM-1 nanoparticles and the GO nanosheets. These observations will be of importance for future applications of GO-PIM-1 nanohybrids as substrates and promoters in catalysis and sensing.

AB - Nanohybrid materials based on nanoparticles of the intrinsically microporous polymer PIM-1 and graphene oxide (GO) are prepared from aqueous dispersions with a reprecipitation method, resulting in the surface of the GO sheets being decorated with nanoparticles of PIM-1. The significant blueshift in fluorescence signals for the GO/PIM-1 nanohybrids indicates modification of the optoelectronic properties of the PIM-1 in the presence of the GO due to their strong interactions. The stiffening in the Raman G peak of GO (by nearly 6 cm-1) further indicates p-doping of the GO in the presence of PIM. Kelvin probe force microscopy (KPFM) and electrochemical reduction measurements of the nanohybrids provide direct evidence for charge transfer between the PIM-1 nanoparticles and the GO nanosheets. These observations will be of importance for future applications of GO-PIM-1 nanohybrids as substrates and promoters in catalysis and sensing.

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Charge Transfer Hybrids of Graphene Oxide and the Intrinsically Microporous Polymer PIM-1

Abstract

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Keywords

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