A researcher whose team demonstrated control of zinc oxide nanowire shape by changing the solution chemistry during growth. Charged complexes preferentially adsorb on different crystal faces, slowing growth in selected directions. Changing additives and pH therefore changes the ratio of length to width, from plate-like crystals to needles. This supplies a physical mechanism for controlling structure through electrostatic interactions and adsorption, rather than relying only on a fixed growth recipe.[ref]
Face-selective electrostatic control of hydrothermal zinc oxide nanowire synthesis by Jaebum Joo and others. Abstract and growth-inhibition model: face-selective adsorption, solution conditions and aspect-ratio control
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