Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis

Francesco Tassinari, Wilbert Mtangi, Koyel Banerjee-Ghosh, Beatrice Adelizzi, Francesca Parenti, Kiran Vankayala, Anja Palmans, Andreas Vargas Jentzsch, Claudio Fontanesi, Adele Mucci, E.W. Meijer, Ron Naaman

Research output: Contribution to journalMeeting AbstractAcademic

Abstract

Hydrogen is the ecologically ideal energy vector. Efficient photo-electrochemical production of hydrogen from water could be the optimal solution to the energy storage problems related to renewable sources. However, in the water splitting reaction the electric potential required to initiate the process significantly exceeds the thermodynamic limit. By controlling the spins of the electrons that are transferred from the solution to the anode, and ensuring that they are coaligned, the threshold voltage for the process can in theory be decreased to that of the thermodynamic voltage. In the present study, by using TiO2 anodes coated with chiral materials, we explore what are the effects of having a spin-polarized current on water electrolysis. The spin-polarization arises from exploiting what is known as Chiral Induced Spin Selectivity effect by using chiral molecules as spin filters.
When using chiral molecules instead of a non-chiral analogue, the hydrogen production from water is enhanced, the threshold voltage is reduced and the by-product formation of hydrogen peroxide is suppressed.
Original languageEnglish
Article number492
JournalAbstracts of Papers of the American Chemical Society
Volume255
Publication statusPublished - 18 Mar 2018
Event

255th ACS National Meeting

- New Orleans Convention Center, New Orleans, United States
Duration: 18 Mar 201822 Mar 2018

Cite this

Tassinari, F., Mtangi, W., Banerjee-Ghosh, K., Adelizzi, B., Parenti, F., Vankayala, K., ... Naaman, R. (2018). Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis. Abstracts of Papers of the American Chemical Society, 255, [492].
Tassinari, Francesco ; Mtangi, Wilbert ; Banerjee-Ghosh, Koyel ; Adelizzi, Beatrice ; Parenti, Francesca ; Vankayala, Kiran ; Palmans, Anja ; Jentzsch, Andreas Vargas ; Fontanesi, Claudio ; Mucci, Adele ; Meijer, E.W. ; Naaman, Ron. / Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis. In: Abstracts of Papers of the American Chemical Society. 2018 ; Vol. 255.
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abstract = "Hydrogen is the ecologically ideal energy vector. Efficient photo-electrochemical production of hydrogen from water could be the optimal solution to the energy storage problems related to renewable sources. However, in the water splitting reaction the electric potential required to initiate the process significantly exceeds the thermodynamic limit. By controlling the spins of the electrons that are transferred from the solution to the anode, and ensuring that they are coaligned, the threshold voltage for the process can in theory be decreased to that of the thermodynamic voltage. In the present study, by using TiO2 anodes coated with chiral materials, we explore what are the effects of having a spin-polarized current on water electrolysis. The spin-polarization arises from exploiting what is known as Chiral Induced Spin Selectivity effect by using chiral molecules as spin filters. When using chiral molecules instead of a non-chiral analogue, the hydrogen production from water is enhanced, the threshold voltage is reduced and the by-product formation of hydrogen peroxide is suppressed.",
author = "Francesco Tassinari and Wilbert Mtangi and Koyel Banerjee-Ghosh and Beatrice Adelizzi and Francesca Parenti and Kiran Vankayala and Anja Palmans and Jentzsch, {Andreas Vargas} and Claudio Fontanesi and Adele Mucci and E.W. Meijer and Ron Naaman",
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Tassinari, F, Mtangi, W, Banerjee-Ghosh, K, Adelizzi, B, Parenti, F, Vankayala, K, Palmans, A, Jentzsch, AV, Fontanesi, C, Mucci, A, Meijer, EW & Naaman, R 2018, 'Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis', Abstracts of Papers of the American Chemical Society, vol. 255, 492.

Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis. / Tassinari, Francesco; Mtangi, Wilbert; Banerjee-Ghosh, Koyel; Adelizzi, Beatrice; Parenti, Francesca; Vankayala, Kiran; Palmans, Anja; Jentzsch, Andreas Vargas; Fontanesi, Claudio; Mucci, Adele; Meijer, E.W.; Naaman, Ron.

In: Abstracts of Papers of the American Chemical Society, Vol. 255, 492, 18.03.2018.

Research output: Contribution to journalMeeting AbstractAcademic

TY - JOUR

T1 - Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis

AU - Tassinari, Francesco

AU - Mtangi, Wilbert

AU - Banerjee-Ghosh, Koyel

AU - Adelizzi, Beatrice

AU - Parenti, Francesca

AU - Vankayala, Kiran

AU - Palmans, Anja

AU - Jentzsch, Andreas Vargas

AU - Fontanesi, Claudio

AU - Mucci, Adele

AU - Meijer, E.W.

AU - Naaman, Ron

PY - 2018/3/18

Y1 - 2018/3/18

N2 - Hydrogen is the ecologically ideal energy vector. Efficient photo-electrochemical production of hydrogen from water could be the optimal solution to the energy storage problems related to renewable sources. However, in the water splitting reaction the electric potential required to initiate the process significantly exceeds the thermodynamic limit. By controlling the spins of the electrons that are transferred from the solution to the anode, and ensuring that they are coaligned, the threshold voltage for the process can in theory be decreased to that of the thermodynamic voltage. In the present study, by using TiO2 anodes coated with chiral materials, we explore what are the effects of having a spin-polarized current on water electrolysis. The spin-polarization arises from exploiting what is known as Chiral Induced Spin Selectivity effect by using chiral molecules as spin filters. When using chiral molecules instead of a non-chiral analogue, the hydrogen production from water is enhanced, the threshold voltage is reduced and the by-product formation of hydrogen peroxide is suppressed.

AB - Hydrogen is the ecologically ideal energy vector. Efficient photo-electrochemical production of hydrogen from water could be the optimal solution to the energy storage problems related to renewable sources. However, in the water splitting reaction the electric potential required to initiate the process significantly exceeds the thermodynamic limit. By controlling the spins of the electrons that are transferred from the solution to the anode, and ensuring that they are coaligned, the threshold voltage for the process can in theory be decreased to that of the thermodynamic voltage. In the present study, by using TiO2 anodes coated with chiral materials, we explore what are the effects of having a spin-polarized current on water electrolysis. The spin-polarization arises from exploiting what is known as Chiral Induced Spin Selectivity effect by using chiral molecules as spin filters. When using chiral molecules instead of a non-chiral analogue, the hydrogen production from water is enhanced, the threshold voltage is reduced and the by-product formation of hydrogen peroxide is suppressed.

M3 - Meeting Abstract

VL - 255

JO - Abstracts of Papers of the American Chemical Society

JF - Abstracts of Papers of the American Chemical Society

SN - 0065-7727

M1 - 492

ER -

Tassinari F, Mtangi W, Banerjee-Ghosh K, Adelizzi B, Parenti F, Vankayala K et al. Spin-controlled electrochemistry using chiral electrodes: effects on water electrolysis. Abstracts of Papers of the American Chemical Society. 2018 Mar 18;255. 492.