Figure 4

Spatially resolved PL maps tracking the intensity changes for co-assembly with 20 nm MNPs with (A) increasing and (B) decreasing magnetic field. (C) PL map taken 24 h after magnetic field was ramped to zero. Scale bar: 5 μm.

Spatially resolved PL maps tracking the intensity changes for co-assembly with 20 nm MNPs with (A) increasing and (B) decreasing magnetic field. (C) PL map taken 24 h after magnetic field was ramped to zero. Scale bar: 5 μm.