Solar-Powered Molecular Crystal micro-Motor Based on an Anthracene-Thiazolidinedione Photoisomerization Reaction
We reported the synthesis and characterization of a new type of photoisomerizable molecule (Z)-5-(anthracen-9-ylmethylene)-3-butylthiazolidine-2,4-dione (C4-ATD), whose Z/E isomerization induces large geometry changes but only slight changes in its absorption profile. Acicular micro-molecular crystals made from C4-ATD were fabricated using the seeded growth method from aqueous surfactants. Large aspect ratio microwires exhibit robust and autonomous photomechanical oscillations under a variety of conditions, including normal solar irradiation. Preliminary experiments on other alkyl chain derivatives that contain the ATD motif suggest that oscillatory motion is a general characteristic of this family of molecular crystals. The combination of photochrome design and crystal engineering enables the concept of molecular machines fueled by light to be extended to molecular crystals, whose directional work can easily overcome Brownian noise in room-temperature liquids..
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Preprint| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
chemRxiv.org - (2023) vom: 12. Dez. Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lam, Kevin [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.26434/chemrxiv-2023-71td6-v2 |
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| 520 | |a We reported the synthesis and characterization of a new type of photoisomerizable molecule (Z)-5-(anthracen-9-ylmethylene)-3-butylthiazolidine-2,4-dione (C4-ATD), whose Z/E isomerization induces large geometry changes but only slight changes in its absorption profile. Acicular micro-molecular crystals made from C4-ATD were fabricated using the seeded growth method from aqueous surfactants. Large aspect ratio microwires exhibit robust and autonomous photomechanical oscillations under a variety of conditions, including normal solar irradiation. Preliminary experiments on other alkyl chain derivatives that contain the ATD motif suggest that oscillatory motion is a general characteristic of this family of molecular crystals. The combination of photochrome design and crystal engineering enables the concept of molecular machines fueled by light to be extended to molecular crystals, whose directional work can easily overcome Brownian noise in room-temperature liquids. | ||
| 650 | 4 | |a Chemistry |7 (dpeaa)DE-84 | |
| 650 | 4 | |a 540 |7 (dpeaa)DE-84 | |
| 700 | 1 | |a Islam, Imadul |4 aut | |
| 700 | 1 | |a Carta, Veronica |4 aut | |
| 700 | 1 | |a Almtiri, Mohammed N. |4 aut | |
| 700 | 1 | |a Bushnak, Ibrahim |4 aut | |
| 700 | 1 | |a AL-KAYSI, RABIH O |0 (orcid)0000-0001-8429-2802 |4 aut | |
| 700 | 1 | |a Bardeen, Christopher J. |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t chemRxiv.org |g (2023) vom: 12. Dez. |
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