Controlling the Fiber Diameter during Electrospinning

Sergey V. Fridrikh, Jian H. Yu, Michael P. Brenner, and Gregory C. Rutledge

Phys. Rev. Lett. 90, 144502 – Published 8 April 2003

Abstract

We present a simple analytical model for the forces that determine jet diameter during electrospinning as a function of surface tension, flow rate, and electric current in the jet. The model predicts the existence of a terminal jet diameter, beyond which further thinning of the jet due to growth of the whipping instability does not occur. Experimental data for various electrospun fibers attest to the accuracy of the model.

Received 1 November 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.144502

Authors & Affiliations

Sergey V. Fridrikh¹, Jian H. Yu¹, Michael P. Brenner², and Gregory C. Rutledge^1,*

¹Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 01239
²Division of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, Massachusetts 02138

^*Email address: rutledge@mit.edu

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Vol. 90, Iss. 14 — 11 April 2003

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