In a method of making a generating device (100), a plurality of spaced apart elongated seed members (114) are deposited onto a surface of a flexible non-conductive substrate (110). An elongated conductive layer (118) is applied to a top surface and a first side of each seed member (114), thereby leaving an exposed second side opposite the first side. A plurality of elongated piezoelectric nanostructures (122) is grown laterally from the second side of each seed member (114). A second conductive material (126) is deposited onto the substrate (110) adjacent each elongated first conductive layer (118) so as to be coupled the distal end of each of the plurality of elongated piezoelectric nanostructures (122). The second conductive material (126) is selected so as to form a Schottky barrier between the second conductive material (126) and the distal end of each of the plurality of elongated piezoelectric nanostructures (122) and so as to form an electrical contact with the first conductive layer (118).
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