An All-Photonic Molecular Keypad Lock
Artikel i vetenskaplig tidskrift, 2009

An all photonic molecular keypad lock with a reset capacity, that is capable of distinguishing one two-digit code out of eight possible combinations were described. The synthesis and characterization of triad 1 with distilled 2-methyltetrahydrofuran as the solvent for spectroscopic measurement were reported, where the samples were degassed by size freeze-pump-thaw cycles to a final pressure. The functional principle of a keypad lock is that it gives an output signal only when given the correct inputs in the correct order, also the capacity of the triad to perform as a two-input PAND gate with reset capacity are considered. The keypad lock is found to be operated by five optical signals in the UV region including fluorescence emission that signals the actual opening of the lock, which can also be used numerous times without ant photodegradation affecting the performance.

switches

molecular devices

porphyrinoids

demultiplexer

logic gates

photochemistry

circuits

chromophores

photochromism

Författare

Joakim Andreasson

Chalmers, Kemi- och bioteknik, Fysikalisk kemi

S. D. Straight

Arizona State University

A. L. Moore

Arizona State University

T. A. Moore

Arizona State University

D. Gust

Arizona State University

Chemistry - A European Journal

0947-6539 (ISSN) 1521-3765 (eISSN)

Vol. 15 3936-3939

Ämneskategorier

Fysikalisk kemi

Kemi

DOI

10.1002/chem.200900043