All-photonic multifunctional molecular logic device
Open accessAbstract
Photochromes are photoswitchable, bistable chromophores which, like transistors, can implement binary logic operations. When several photochromes are combined in one molecule, interactions between them such as energy and electron transfer allow design of simple Boolean logic gates and more complex logic devices with all-photonic inputs and outputs. Selective isomerization of individual photochromes can be achieved using light of different wavelengths, and logic outputs can employ absorption and emission properties at different wavelengths, thus allowing a single molecular species to perform several different functions, even simultaneously. Here, we report a molecule consisting of three linked photochromes that can be configured as AND, XOR, INH, half-adder, half-subtractor, multiplexer, demultiplexer, encoder, decoder, keypad lock, and logically reversible transfer gate logic devices, all with a common initial state. The system demonstrates the advantages of light-responsive molecules as multifunctional, reconfigurable nanoscale logic devices that represent an approach to true molecular information processing units.
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Compared with the traditional half-subtractor, no parallel logic gates are needed in this system to respond synchronously to achieve binary subtraction calculation.
“Compared with the traditional half-subtractor [44,45], no parallel logic gates are needed in this system to respond synchronously to achieve the effect of binary subtraction calculation.”
From Red-light excited efficient metal-free near-infrared room-temperature phosphorescent films (2022) · cites this paper as [44]
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Cited by
Sorted by citations
Red-light excited efficient metal-free near-infrared room-temperature phosphorescent films
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“Compared with the traditional half-subtractor [44,45], no parallel logic gates are needed in this system to respond synchronously to achieve the effect of binary subtraction calculation.”
Method
- Authors
- Andréasson, J., Pischel, U., Straight, S. D., Moore, T. A., Moore, A. L., & Gust, D.
- Affiliations
- Chalmers University of Technology (SE)
- Universidad de Huelva (ES)
- Arizona State University (US)
- Corresponding author
- Andréasson, Joakim
- Pischel, Uwe
- Gust, Devens
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-05-12
- Volume
- 133
- Issue
- 30
- Pages
- 11641-11648
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- PMC
- PMC3144677
- OpenAlex
- W2056884831
- Cited by
- 350
- References
- 63
- Citations by year
- 2026: 13 · 2025: 22 · 2024: 24 · 2023: 17 · 2022: 16 · 2021: 21 · 2020: 20 · 2019: 26 · 2018: 17 · 2017: 25 · 2016: 26 · 2015: 31 · 2014: 31 · 2013: 17 · 2012: 37
- FWCI
- 14.42
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of the American Chemical Society (publishedVersion, other-oa)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Chalmers Publication Library (Chalmers University of Technology) (submittedVersion)
- Chalmers Research (Chalmers University of Technology) (submittedVersion)
- Funders
- Swedish Research Council Formas
- National Science Foundation
- European Research Council
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Photochromic and Fluorescence Chemistry
- Physical Sciences › Chemistry › Organic Chemistry › Supramolecular Chemistry and Complexes
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Memory and Neural Computing
- Keywords
- photochromes, molecular logic gates, Boolean logic, half adder, half subtractor, encoder and decoder, transfer gate, molecular information processing
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