Aggregation patterns of copper sulphate salt via droplet drying: mediation by surface hydrophobicity and salt concentrationSamiul Haque, Subarnarekha Bhattacharyya and Tapati DuttaEur. Phys. J. E, 44 11 (2021) 135DOI: https://doi.org/10.1140/epje/s10189-021-00143-5