Back to Search
Start Over
Universality in interior periodic assembly of banded D-(−)-poly(3-hydroxybutyrate) justified with the iridescence test.
- Source :
-
CrystEngComm . 3/7/2024, Vol. 26 Issue 9, p1209-1218. 10p. - Publication Year :
- 2024
-
Abstract
- The grating structure and periodic assembly in D -(−)-poly(3-hydroxybutyrate) (PHB), or simply poly(3-hydroxybutyrate), with diluent-modulated optical regularity are analyzed using microscopy techniques coupled with a unique 3D interior dissection technique. The top-surface valley band is a result of impingement of branching crystals evolving from normal-oriented main lamellar stalks, and the top-surface band is a result of the protruding lamellar stalks. The 3D dissection shows direct experimental proof of discontinuous interfaces between the successive bands, which are created by periodic impingement of neighboring lamellar bundles growing in the normal direction from the substrate. The iridescence phenomenon from the PHB periodic bands can be attributed to the grating-assembly structures with cross-bar pitches tuned to a suitable range by combination of diluents and temperature of growth, whose function resembles those seen in nature's iridescent crystals. [ABSTRACT FROM AUTHOR]
- Subjects :
- *3-Hydroxybutyric acid
*POLY-beta-hydroxybutyrate
*CRYSTALS
*DISSECTION
*MICROSCOPY
Subjects
Details
- Language :
- English
- ISSN :
- 14668033
- Volume :
- 26
- Issue :
- 9
- Database :
- Academic Search Index
- Journal :
- CrystEngComm
- Publication Type :
- Academic Journal
- Accession number :
- 175676255
- Full Text :
- https://doi.org/10.1039/d3ce01241g