Building two and three dimensional structures of colloidal particles on surfaces using optical tweezers and critical point drying

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Publication date	1 January 2002
Reference	D.L.J. Vossen, J.P. Hoogenboom, K. Overgaag and A. van Blaaderen, Building two and three dimensional structures of colloidal particles on surfaces using optical tweezers and critical point drying, Proc. MRS 705, (2002)

We describe a method for patterning substrates with colloidal particles in any designed twodimensional structure. By using optical tweezers particles are brought from a reservoir to a surface that carries a surface charge opposite to that of the particles. Using this technique large,

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Building two and three dimensional structures of colloidal particles on surfaces using optical tweezers and critical point drying

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