Logic operations at the molecular level. An XOR gate based on a molecular machine

Alberto Credi; Vincenzo Balzani; Steven J. Langford; J. Fraser Stoddart

doi:10.1021/ja963572l

Logic operations at the molecular level. An XOR gate based on a molecular machine

Alberto Credi, Vincenzo Balzani^*, Steven J. Langford, J. Fraser Stoddart

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

509 Scopus citations

Abstract

A pseudorotaxane formed in solution by self-assembly of a wire-type electron acceptor (2,7-dibenzyldiazapyrenium dication) and a macrocyclic electron donor (2,3-dinaphtho-30-crown-10) can be unthreaded and rethreaded by chemical inputs. Unthreading can be obtained by addition of stoichiometric amounts of acids or amines. After the unthreading process caused by addition of acid, rethreading can be obtained by addition of amine, and vice versa. The threading/unthreading processes are accompanied (and therefore can be monitored) by strong changes in the fluorescence properties of the system. The input (chemical)/output (fluorescence) characteristics of this molecular-level system correspond to those of an XOR logic gate.

Original language	English (US)
Pages (from-to)	2679-2681
Number of pages	3
Journal	Journal of the American Chemical Society
Volume	119
Issue number	11
DOIs	https://doi.org/10.1021/ja963572l
State	Published - Mar 19 1997

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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abstract = "A pseudorotaxane formed in solution by self-assembly of a wire-type electron acceptor (2,7-dibenzyldiazapyrenium dication) and a macrocyclic electron donor (2,3-dinaphtho-30-crown-10) can be unthreaded and rethreaded by chemical inputs. Unthreading can be obtained by addition of stoichiometric amounts of acids or amines. After the unthreading process caused by addition of acid, rethreading can be obtained by addition of amine, and vice versa. The threading/unthreading processes are accompanied (and therefore can be monitored) by strong changes in the fluorescence properties of the system. The input (chemical)/output (fluorescence) characteristics of this molecular-level system correspond to those of an XOR logic gate.",

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T1 - Logic operations at the molecular level. An XOR gate based on a molecular machine

AU - Credi, Alberto

AU - Balzani, Vincenzo

AU - Langford, Steven J.

AU - Stoddart, J. Fraser

PY - 1997/3/19

Y1 - 1997/3/19

N2 - A pseudorotaxane formed in solution by self-assembly of a wire-type electron acceptor (2,7-dibenzyldiazapyrenium dication) and a macrocyclic electron donor (2,3-dinaphtho-30-crown-10) can be unthreaded and rethreaded by chemical inputs. Unthreading can be obtained by addition of stoichiometric amounts of acids or amines. After the unthreading process caused by addition of acid, rethreading can be obtained by addition of amine, and vice versa. The threading/unthreading processes are accompanied (and therefore can be monitored) by strong changes in the fluorescence properties of the system. The input (chemical)/output (fluorescence) characteristics of this molecular-level system correspond to those of an XOR logic gate.

AB - A pseudorotaxane formed in solution by self-assembly of a wire-type electron acceptor (2,7-dibenzyldiazapyrenium dication) and a macrocyclic electron donor (2,3-dinaphtho-30-crown-10) can be unthreaded and rethreaded by chemical inputs. Unthreading can be obtained by addition of stoichiometric amounts of acids or amines. After the unthreading process caused by addition of acid, rethreading can be obtained by addition of amine, and vice versa. The threading/unthreading processes are accompanied (and therefore can be monitored) by strong changes in the fluorescence properties of the system. The input (chemical)/output (fluorescence) characteristics of this molecular-level system correspond to those of an XOR logic gate.

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Logic operations at the molecular level. An XOR gate based on a molecular machine

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