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Fig. 1. (Color online) Schematic of the proposed (nanopipette+AFM) system. We used QTF-AFM for distance control between the tip apex and the substrate. When the tip approaches to the substrate (1) within a few nanometer, the nanoscale water meniscus is suddenly formed between the tip and the substrate (2), which is the key of quantum dot solution ejection. After the liquid ejection, the tip retracts for fabrication of quantum dot-aggregated nanowire (3).
New Phys.: Sae Mulli 2024;74:95~99