Capillary Origami: Spontaneous Wrapping of a Droplet with an Elastic Sheet

by: Charlotte Py, Paul Reverdy, Lionel Doppler, José Bico, Benoît Roman, Charles N Baroud

Physical Review Letters, Vol. 98, No. 15. (2007)

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摘要

The interaction between elasticity and capillarity is used to produce three-dimensional structures through the wrapping of a liquid droplet by a planar sheet. The final encapsulated 3D shape is controlled by tailoring the initial geometry of the flat membrane. Balancing interfacial energy with elastic bending energy provides a critical length scale below which encapsulation cannot occur, which is verified experimentally. This length is found to depend on the thickness as h3/2, a scaling favorable to miniaturization which suggests a new way of mass production of 3D micro- or nanoscale objects.

@article{citeulike:2754383, abstract = {The interaction between elasticity and capillarity is used to produce three-dimensional structures through the wrapping of a liquid droplet by a planar sheet. The final encapsulated 3D shape is controlled by tailoring the initial geometry of the flat membrane. Balancing interfacial energy with elastic bending energy provides a critical length scale below which encapsulation cannot occur, which is verified experimentally. This length is found to depend on the thickness as h3/2, a scaling favorable to miniaturization which suggests a new way of mass production of 3D micro- or nanoscale objects.}, author = {Py, Charlotte and Reverdy, Paul and Doppler, Lionel and Bico, Jos\'e and Roman, Beno\^it and Baroud, Charles N. }, citeulike-article-id = {2754383}, doi = {10.1103/PhysRevLett.98.156103}, journal = {Physical Review Letters}, keywords = {2007, cool, elasticity, focus, material, water}, number = {15}, posted-at = {2008-05-04 19:52:04}, priority = {2}, publisher = {APS}, title = {Capillary Origami: Spontaneous Wrapping of a Droplet with an Elastic Sheet}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000015156103000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

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TY - JOUR ID - citeulike:2754383 L3 - citeulike-article-id:2754383 TI - Capillary Origami: Spontaneous Wrapping of a Droplet with an Elastic Sheet JF - Physical Review Letters VL - 98 IS - 15 PB - APS N2 - The interaction between elasticity and capillarity is used to produce three-dimensional structures through the wrapping of a liquid droplet by a planar sheet. The final encapsulated 3D shape is controlled by tailoring the initial geometry of the flat membrane. Balancing interfacial energy with elastic bending energy provides a critical length scale below which encapsulation cannot occur, which is verified experimentally. This length is found to depend on the thickness as h3/2, a scaling favorable to miniaturization which suggests a new way of mass production of 3D micro- or nanoscale objects. KW - 2007 KW - cool KW - elasticity KW - focus KW - material KW - water AU - Py, Charlotte AU - Reverdy, Paul AU - Doppler, Lionel AU - Bico, Jos\'e AU - Roman, Beno\^it AU - Baroud, Charles PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000015156103000001&idtype=cvips&gifs=yes ER -

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