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An electrochemical approach for manufacturing light‐driven nanostructured titanium dioxide (TiO2) microengines with controlled spatial architecture for improved performance is reported. The microengines based on microscale arrays of TiO2 nanotubes with variable (50–120 nm) inner diameter show a quasi‐ordered arrangement of nanotubes, being the smallest tubular entities for catalytic microengines reported...
On page 5497, M. Guix and co‐workers demonstrate a novel light‐driven microengine consisting of arrays of self‐arranged titanium dioxide nanotubes with a conical inner diameter. Under exposure to UV irradiation, the microengine shows directed motion in solution, both in the presence and absence of hydrogen peroxide, and exhibits cargo capabilities, namely the controlled pick‐up, transport and release...
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