Figure 7
From: Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
SEM images: pre-treated poplar specimens (a, c) and R-PTC specimens (b, d).
Figure 7 | Scientific Reports
From: Poplar-based thermochromic composites that change colour at 38 °C to 46 °C
SEM images: pre-treated poplar specimens (a, c) and R-PTC specimens (b, d).
