Eu( iii )-functionalized ZnO@MOF heterostructures: integration of pre-concentration and efficient charge transfer for the fabrication of a ppb-level sensing platform for volatile aldehyde gases in vehicles

Eu( iii )-functionalized ZnO@MOF heterostructures have been fabricated and performed as an improved ppb-level sensing platform for volatile aldehyde gases in vehicles by pre-concentration and efficient charge transfer.