Intrinsically Electrochromic Deep Eutectic Solvents

Hugo Cruz; Noémi Jordão; Madalena Dionísio; Fernando Pina; Luís C. Branco

doi:10.1002/slct.201801054

Intrinsically Electrochromic Deep Eutectic Solvents

Hugo Cruz, Noémi Jordão, Madalena Dionísio, Fernando Pina, Luís C. Branco

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

6 Citations (Scopus)

Abstract

Multi-colored intrinsically electrochromic based Deep Eutectic Solvents (IEDES) have been firstly developed. IEDES composed by the suitable mixing between viologen salt derivatives as HBA and ethylene glycol (EG), glycerol (Gly) and poly(ethylene glycol) (PEG) as HBD have been prepared and characterized by thermal and electrochemical studies. A detailed electrochemical characterization of the IEDES using cyclic voltammetry studies in 2-electrodes (ECDs) configuration cells were performed. The most promissory IEDES based on viologen salt derivatives can act simultaneously as electrolyte and electrochromic. Preliminary redox cycling studies showed a reversible and stable ECD composed by [(C₅O₂)₂bpy]I₂:EG at least until 1300 minutes. The coloration efficiency and reversibility can be tuned changing only the alcohol counterpart and/or the side chains and anion of the viologen derivatives. These IEDES can be explored as functional and efficient multi-colored ECDs. Also, these innovative materials can open attractive applications for material science and energy devices.

Original language	English
Pages (from-to)	1530-1534
Number of pages	5
Journal	ChemistrySelect
Volume	4
Issue number	4
DOIs	https://doi.org/10.1002/slct.201801054
Publication status	Published - 31 Jan 2019

Keywords

Deep Eutectic Solvents (DES)
Electrochromic Devices (ECDs)
Electrolyte; Intrinsically Electrochromic Deep Eutectic Solvents (IEDESs)

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title = "Intrinsically Electrochromic Deep Eutectic Solvents",

abstract = "Multi-colored intrinsically electrochromic based Deep Eutectic Solvents (IEDES) have been firstly developed. IEDES composed by the suitable mixing between viologen salt derivatives as HBA and ethylene glycol (EG), glycerol (Gly) and poly(ethylene glycol) (PEG) as HBD have been prepared and characterized by thermal and electrochemical studies. A detailed electrochemical characterization of the IEDES using cyclic voltammetry studies in 2-electrodes (ECDs) configuration cells were performed. The most promissory IEDES based on viologen salt derivatives can act simultaneously as electrolyte and electrochromic. Preliminary redox cycling studies showed a reversible and stable ECD composed by [(C5O2)2bpy]I2:EG at least until 1300 minutes. The coloration efficiency and reversibility can be tuned changing only the alcohol counterpart and/or the side chains and anion of the viologen derivatives. These IEDES can be explored as functional and efficient multi-colored ECDs. Also, these innovative materials can open attractive applications for material science and energy devices.",

keywords = "Deep Eutectic Solvents (DES), Electrochromic Devices (ECDs), Electrolyte; Intrinsically Electrochromic Deep Eutectic Solvents (IEDESs)",

author = "Hugo Cruz and No{\'e}mi Jord{\~a}o and Madalena Dion{\'i}sio and Fernando Pina and Branco, {Lu{\'i}s C.}",

note = "This work was performed under the project {"}SunStorage-Harvesting and storage of solar energy{"}, with reference POCI-01-0145-FEDER-016387, funded by European Regional Development Fund (ERDF), through COMPETE 2020-Operational Programme for Competitiveness and Internationalisation (OPCI), and by national funds (PTDC/QEQ-QFI/1971/2014), through FCT-Fundacao para a Ciencia e a Tecnologia. H. Cruz and L. C. Branco thanks to financial support of FCT/MCTES (Post-Doc grant SFRH/BPD/102705/2014 and IF/0041/2013/CP1161/CT00).",

year = "2019",

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doi = "10.1002/slct.201801054",

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T1 - Intrinsically Electrochromic Deep Eutectic Solvents

AU - Cruz, Hugo

AU - Jordão, Noémi

AU - Dionísio, Madalena

AU - Pina, Fernando

AU - Branco, Luís C.

N1 - This work was performed under the project "SunStorage-Harvesting and storage of solar energy", with reference POCI-01-0145-FEDER-016387, funded by European Regional Development Fund (ERDF), through COMPETE 2020-Operational Programme for Competitiveness and Internationalisation (OPCI), and by national funds (PTDC/QEQ-QFI/1971/2014), through FCT-Fundacao para a Ciencia e a Tecnologia. H. Cruz and L. C. Branco thanks to financial support of FCT/MCTES (Post-Doc grant SFRH/BPD/102705/2014 and IF/0041/2013/CP1161/CT00).

PY - 2019/1/31

Y1 - 2019/1/31

N2 - Multi-colored intrinsically electrochromic based Deep Eutectic Solvents (IEDES) have been firstly developed. IEDES composed by the suitable mixing between viologen salt derivatives as HBA and ethylene glycol (EG), glycerol (Gly) and poly(ethylene glycol) (PEG) as HBD have been prepared and characterized by thermal and electrochemical studies. A detailed electrochemical characterization of the IEDES using cyclic voltammetry studies in 2-electrodes (ECDs) configuration cells were performed. The most promissory IEDES based on viologen salt derivatives can act simultaneously as electrolyte and electrochromic. Preliminary redox cycling studies showed a reversible and stable ECD composed by [(C5O2)2bpy]I2:EG at least until 1300 minutes. The coloration efficiency and reversibility can be tuned changing only the alcohol counterpart and/or the side chains and anion of the viologen derivatives. These IEDES can be explored as functional and efficient multi-colored ECDs. Also, these innovative materials can open attractive applications for material science and energy devices.

AB - Multi-colored intrinsically electrochromic based Deep Eutectic Solvents (IEDES) have been firstly developed. IEDES composed by the suitable mixing between viologen salt derivatives as HBA and ethylene glycol (EG), glycerol (Gly) and poly(ethylene glycol) (PEG) as HBD have been prepared and characterized by thermal and electrochemical studies. A detailed electrochemical characterization of the IEDES using cyclic voltammetry studies in 2-electrodes (ECDs) configuration cells were performed. The most promissory IEDES based on viologen salt derivatives can act simultaneously as electrolyte and electrochromic. Preliminary redox cycling studies showed a reversible and stable ECD composed by [(C5O2)2bpy]I2:EG at least until 1300 minutes. The coloration efficiency and reversibility can be tuned changing only the alcohol counterpart and/or the side chains and anion of the viologen derivatives. These IEDES can be explored as functional and efficient multi-colored ECDs. Also, these innovative materials can open attractive applications for material science and energy devices.

KW - Deep Eutectic Solvents (DES)

KW - Electrochromic Devices (ECDs)

KW - Electrolyte; Intrinsically Electrochromic Deep Eutectic Solvents (IEDESs)

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DO - 10.1002/slct.201801054

M3 - Article

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SN - 2365-6549

VL - 4

SP - 1530

EP - 1534

JO - ChemistrySelect

JF - ChemistrySelect

IS - 4

ER -

Intrinsically Electrochromic Deep Eutectic Solvents

Abstract

Keywords

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