Biomimetic-Inspired Infrared Sensors from Zn3P2 Microwires: Study of Their Photoconductivity and Infrared Spectrum Properties

Author:

Israelowitz M.1,Weyand B.2,Leiterer C.3,Munoz V.4,Martinez-Tomas C.4,Herraiz-Llacer M.4,Slowik I.3,Beleites C.3,Fritzsche W.3,Krafft C.3,Henkel T.3,Reuter M.5,Rizvi S. W. H.1,Gille C.1,Reimers K.3,Vogt P. M.2,von Schroeder H. P.16

Affiliation:

1. Biomimetics Technologies Inc., Toronto, ON, Canada M6S 2X4

2. Hannover Medical School, Department of Plastic, Hand and Reconstructive Surgery, 30625 Hannover, Germany

3. Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745 Jena, Germany

4. Department of Applied Physics and Electromagnetism, University of Valencia, 46100 Valencia, Spain

5. The Technical University of Clausthal-Zellefeld, Julius Albert Straße 4, 38678 Clausthal-Zellerfeld, Germany

6. University of Toronto, Toronto Western Hospital, East Wing 2nd Floor, 399 Bathurst Street, Toronto, ON, Canada M5T 2S8

Abstract

The fire beetle, Melanophila acuminata (Coleoptera: Buprestidae), senses infrared radiation at wavelengths of 3 and 10–25 microns via specialized protein-containing sensilla. Although the protein denatures outside of a biological system, this detection mechanism has inspired our bottom-up approach to produce single zinc phosphide microwires via vapour transport for IR sensing. The Zn3P2 microwires were immobilized and electrical contact was made by dielectrophoresis. Photoconductivity measurements have been extended to the near IR range, spanning the Zn3P2 band gaps. Purity and integrity of the Zn3P2 microwires including infrared light scattering properties were confirmed by infrared transmission microscopy. This biomimetic microwire shows promise for infrared chip development.

Funder

Spanish Government and EU

Publisher

Hindawi Limited

Subject

General Medicine

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