Abstract

Micromotors based on Mo7soft-oxometalates (SOMs) which are very easy to synthesize and move autonomously in the presence of dithionite which acts as the chemical fuel.

Highlights

  • Synthesis of autonomously moving soft and active matter[1] is an immediate challenge for modelling biological phenomenon

  • soft oxometalate (SOM) is quite significant, though not infinite. In this reaction MoVI oxidises[30] dithionite to SO2 in accordance with the following reaction: MoV7IO24 + S2O42À - molybdenum blue + 2SO2(g) are rod shaped in nature with their size in agreement with dynamic light scattering (DLS) and scanning electron microscopy (SEM) results

  • The aqueous solution of sodium dithionite is unstable[29] and in aerobic and acidic conditions it generates sulphur and sulphur dioxide

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Summary

Introduction

Synthesis of autonomously moving soft and active matter[1] is an immediate challenge for modelling biological phenomenon. The movement[26] of active motors can be in the form of translation,[9] rotation,[10] delivery[27] or collective behaviour.[24] Chemically powered micromotors[12] are mainly propelled due to the gas generated by the surface catalytic decomposition[9] of the fuel. The SO2 produced by the reaction of dithionite with heptamolybdate remains in the solution for a considerable amount of time which in turn propels these active SOM motors.

Results
Conclusion

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