Polymer index
WebA non-uniform (polydisperse) collection. In chemistry, the dispersity is a measure of the heterogeneity of sizes of molecules or particles in a mixture. A collection of objects is … WebSolution. In order to have an idea about the homogeneity of a polymer, we define the term polydispersity index. It is the ratio of mass average molecular mass to the number average molecular mass. For natural polymers, PDI is usually equal to one which means that they are monodisperse. Such polymers are more homogeneous.
Polymer index
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WebApr 4, 2024 · When PDI value is one, it indicates the monodispersity or given polymer has monomers arranged in chains of equal length. Synthetic polymers are usually less homogeneous and so their PDI is greater than 1. So, in the given option, cellulose is a natural polymer, hence its ODI poly disparity index is equal to 1. So, the correct answer is Option C. WebAs we known, the color render index(CRI) and the power conversion efficiency (PCE) are two critical parameters of semitransparent polymer solar cells (PSCs), which are contradictory. The CRI are strongly depended on the absorption of the polymer: fullerene active layer.
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