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Silver Tetracyanoquinodimethane (AgTCNQ) is an organometallic semiconductingcompound with potential for use as an optical memory storage media due to its ability to exist intwo states. A laser Raman system has been proposed for this application as the two states havedistinct Raman vibrational peaks. However, the Raman spectra of bulk AgTCNQ films is veryweak and requires special measures to prevent laser-induced degradation and to ensure adequatesignal to noise ratios. In this paper, we report a synthesis AgTCNQ consisting of AgTCNQnanolayers grown around silver colloidal particles in both water and heptane with the use of theamphiphilic surfactants, AOT and SDS. The Raman scattering of such AgTCNQ systems hasbeen found to be strongly enhanced and far superior to that obtained on bulk AgTCNQ films.We believe that such a system represents a novel and advantageous way of detecting theswitching behavior of AgTCNQ (and other metal-TCNQ compounds) by laser, as Ramanresearch on metal-TCNQ systems has been stymied in the past by poor Raman signals andsusceptibility to laser-induced degradation.
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