Physics and Physical Chemistry of Solutions; colloids, biological fluids, gels; Contact angle and drying effects on surfaces, the coffee stain effects; hydrophobicity and hydrophilicity of surfaces, morphological factors, the lotus leaf effect; surface tensions, the Gecko effect; fabrication of thin films and nanostructures with wet methods: sol-gel, spin coating, dip coating, spray pyrolysis. Printing methods: principles, technological evolution, spatial resolution; fabrication of inks for inkjet printing of conductors, semiconductors and dielectrics; Applications of wet methods to thin film transistors, light emitting diodes, photosensors, photovoltaics, telecoms; Laser sintering and integration into printing lines; photoexcite chemical reactions of wet precursors. Electrodeposition: I-V curves, process parameters, conformality effects; fabrication of micro- and nano-structures by wet chemical etching.