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This dissertation thesis presents newly developed electrode materials based on porous boron- doped diamond (BDDporous) and their potential applications in electroanalysis. Particularly, these novel BDDporous electrodes (twelve in total) were thoroughly electrochemically characterised and compared, and the ones with the most promising properties were selected to develop reliable voltammetric methods for detecting the neurotransmitter dopamine. Initially, the impact of selected fabrication parameters on the final properties and electrochemical behaviour of novel BDDporous electrodes was clarified; the following factors were specifically studied: (1) deposition template used, (2) boron-doping level, (3) growth time of the individual layers (i.e., porosity), (4) number of deposited layers (i.e., thickness), and (5) content of non-diamond (sp2 ) carbon impurities. Alterations in deposition conditions naturally resulted in BDDporous electrodes with diverse (i) structural and morphological features, which were investigated by scanning electron microscopy and Raman spectroscopy, and (ii) physical and electrochemical characteristics, examined by cyclic voltammetry. Besides, to assess the suitability of selected BDDporous electrodes for dopamine detection, other parameters, such as susceptibility to...