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Small scratches and abrasion cause damage to packaging coatings. Albeit often invisible to the human eye, such small defects in the coating may ultimately have a strong negative impact on the whole system. For instance, gases may penetrate the coating and consequently the package barrier, thus leading to the degradation of sensitive goods. Herein, the indicators of mechanical damage in the form of...
The optical properties of perylene bisimide dyes (PBI) are strongly aggregation dependent. Thus, PBIs are perfect candidates for probing interdye interactions immobilized onto nanoparticle surfaces. The synergetic interplay of different spectroscopic techniques and molecular dynamics simulations gives insights into the aggregation in the form of H‐aggregates. Overall, the conclusions presented in...
Precise control over the ratio of perylene bisimide (PBI) monomers and aggregates, immobilized on alumina nanoparticle (NP) surfaces, is demonstrated. Towards this goal, phosphonic acid functionalized PBI derivatives (PA‐PBI) are shown to self‐assemble into stoichiometrically mixed monolayers featuring aliphatic, glycolic, or fluorinated phosphonic acid ligands, serving as imbedding matrix (PA‐M)...
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