Polymers of intrinsic microporosity in electrochemistry: Anion uptake and transport effects in thin film electrodes and in free-standing ionic diode membranes

Yuanyang Rong; Adam Kolodziej; Elena Madrid; Mariolino Carta; Richard Malpass-Evans; Neil B. McKeown; Frank Marken

doi:10.1016/j.jelechem.2015.11.038

Polymers of intrinsic microporosity in electrochemistry: Anion uptake and transport effects in thin film electrodes and in free-standing ionic diode membranes

Yuanyang Rong, Adam Kolodziej, Elena Madrid, Mariolino Carta, Richard Malpass-Evans, Neil B. McKeown, Frank Marken^*

^*Corresponding author for this work

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

Anion uptake and charge transport in a polymer of intrinsic microporosity (here PIM-EA-TB) is investigated for three cases: (i) the oxidation of ferrocene embedded into a thin film of PIM-EA-TB on a glassy carbon electrode, (ii) the reduction of protons absorbed into a thin film of PIM-EA-TB on a platinum electrode, and (iii) the potential-driven transport of anions and protons in an asymmetrically deposited free-standing PIM-EA-TB membrane working as a current rectifier or "ionic diode". In all three cases the competing effects of the diameter and hydrophobicity (size and hydration energy) of the anion are important. For free-standing membranes very high ionic diode rectification ratios (>10(3) at +/- 1 V) are observed in particular for thicker deposits of PIM-EA-TB and for chloride or perchlorate containing electrolyte. (C) 2015 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	241-249
Number of pages	9
Journal	Journal of electroanalytical chemistry
Volume	779
DOIs	https://doi.org/10.1016/j.jelechem.2015.11.038
Publication status	Published - 30 Nov 2015

Keywords / Materials (for Non-textual outputs)

Catalysis
Ion exchange
Voltammetry
Ferrocene
Permselectivity
Water
HYDROGEN STORAGE
PERCHLORATE
SEPARATIONS
OXIDATION
SALINITY

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10.1016/j.jelechem.2015.11.038

20170224 Mckeown V2 Marken_JEACAccepted author manuscript, 1.67 MB

http://www.sciencedirect.com/science/article/pii/S1572665715302162

Cite this

@article{312e0672d58e4726b1cdf9f96b90a4cb,

title = "Polymers of intrinsic microporosity in electrochemistry: Anion uptake and transport effects in thin film electrodes and in free-standing ionic diode membranes",

abstract = "Anion uptake and charge transport in a polymer of intrinsic microporosity (here PIM-EA-TB) is investigated for three cases: (i) the oxidation of ferrocene embedded into a thin film of PIM-EA-TB on a glassy carbon electrode, (ii) the reduction of protons absorbed into a thin film of PIM-EA-TB on a platinum electrode, and (iii) the potential-driven transport of anions and protons in an asymmetrically deposited free-standing PIM-EA-TB membrane working as a current rectifier or {"}ionic diode{"}. In all three cases the competing effects of the diameter and hydrophobicity (size and hydration energy) of the anion are important. For free-standing membranes very high ionic diode rectification ratios (>10(3) at +/- 1 V) are observed in particular for thicker deposits of PIM-EA-TB and for chloride or perchlorate containing electrolyte. (C) 2015 Elsevier B.V. All rights reserved.",

keywords = "Catalysis, Ion exchange, Voltammetry, Ferrocene, Permselectivity, Water, HYDROGEN STORAGE, PERCHLORATE, SEPARATIONS, OXIDATION, SALINITY",

author = "Yuanyang Rong and Adam Kolodziej and Elena Madrid and Mariolino Carta and Richard Malpass-Evans and McKeown, {Neil B.} and Frank Marken",

year = "2015",

month = nov,

day = "30",

doi = "10.1016/j.jelechem.2015.11.038",

language = "English",

volume = "779",

pages = "241--249",

journal = "Journal of electroanalytical chemistry",

issn = "1572-6657",

publisher = "Elsevier",

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TY - JOUR

T1 - Polymers of intrinsic microporosity in electrochemistry

T2 - Anion uptake and transport effects in thin film electrodes and in free-standing ionic diode membranes

AU - Rong, Yuanyang

AU - Kolodziej, Adam

AU - Madrid, Elena

AU - Carta, Mariolino

AU - Malpass-Evans, Richard

AU - McKeown, Neil B.

AU - Marken, Frank

PY - 2015/11/30

Y1 - 2015/11/30

N2 - Anion uptake and charge transport in a polymer of intrinsic microporosity (here PIM-EA-TB) is investigated for three cases: (i) the oxidation of ferrocene embedded into a thin film of PIM-EA-TB on a glassy carbon electrode, (ii) the reduction of protons absorbed into a thin film of PIM-EA-TB on a platinum electrode, and (iii) the potential-driven transport of anions and protons in an asymmetrically deposited free-standing PIM-EA-TB membrane working as a current rectifier or "ionic diode". In all three cases the competing effects of the diameter and hydrophobicity (size and hydration energy) of the anion are important. For free-standing membranes very high ionic diode rectification ratios (>10(3) at +/- 1 V) are observed in particular for thicker deposits of PIM-EA-TB and for chloride or perchlorate containing electrolyte. (C) 2015 Elsevier B.V. All rights reserved.

AB - Anion uptake and charge transport in a polymer of intrinsic microporosity (here PIM-EA-TB) is investigated for three cases: (i) the oxidation of ferrocene embedded into a thin film of PIM-EA-TB on a glassy carbon electrode, (ii) the reduction of protons absorbed into a thin film of PIM-EA-TB on a platinum electrode, and (iii) the potential-driven transport of anions and protons in an asymmetrically deposited free-standing PIM-EA-TB membrane working as a current rectifier or "ionic diode". In all three cases the competing effects of the diameter and hydrophobicity (size and hydration energy) of the anion are important. For free-standing membranes very high ionic diode rectification ratios (>10(3) at +/- 1 V) are observed in particular for thicker deposits of PIM-EA-TB and for chloride or perchlorate containing electrolyte. (C) 2015 Elsevier B.V. All rights reserved.

KW - Catalysis

KW - Ion exchange

KW - Voltammetry

KW - Ferrocene

KW - Permselectivity

KW - Water

KW - HYDROGEN STORAGE

KW - PERCHLORATE

KW - SEPARATIONS

KW - OXIDATION

KW - SALINITY

U2 - 10.1016/j.jelechem.2015.11.038

DO - 10.1016/j.jelechem.2015.11.038

M3 - Article

SN - 1572-6657

VL - 779

SP - 241

EP - 249

JO - Journal of electroanalytical chemistry

JF - Journal of electroanalytical chemistry

ER -

Polymers of intrinsic microporosity in electrochemistry: Anion uptake and transport effects in thin film electrodes and in free-standing ionic diode membranes

Abstract

Keywords / Materials (for Non-textual outputs)

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