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Acid/Base Switching of the Tautomerism and Conformation of a Dioxoporphyrin for Integrated Binary Subtraction
KTH, Skolan för bioteknologi (BIO), Teoretisk kemi och biologi.ORCID-id: 0000-0001-6508-8355
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2014 (Engelska)Ingår i: Chemistry - A European Journal, ISSN 0947-6539, E-ISSN 1521-3765, Vol. 20, nr 40, s. 12910-12916Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Compared with most of the reported logic devices based on the supramolecular approach, systems based on individual molecules can avoid challenging construction requirements. Herein, a novel dioxoporphyrin DPH22 was synthesized and two of its tautomers were characterized by single-crystal X-ray diffraction studies. Compound DPH22 exhibits multichannel controllable stepwise tautomerization, protonation, and deprotonation processes through interactions with H and F- ions. By using the addition of H+ and F- ions as inputs and UVNis absorption values at.1=412, 510, 562, and 603 nm as outputs, the controlled tautomerism of DPH22 has been successfully used for the construction of an integrated molecular level half-subtractor and comparator. In addition, this acid/base-switched tautomerism is reversible, thus endowing the system with ease of reset and recycling; consequently, there is no need to modulate complicated intermolecular interactions and electron-/chargetransfer processes.

Ort, förlag, år, upplaga, sidor
2014. Vol. 20, nr 40, s. 12910-12916
Nyckelord [en]
half-subtractars, logic gates, organic electronic, porphyrinoids, tautamerism
Nationell ämneskategori
Teoretisk kemi
Identifikatorer
URN: urn:nbn:se:kth:diva-155146DOI: 10.1002/chem.201403830ISI: 000342627300031Scopus ID: 2-s2.0-84920793234OAI: oai:DiVA.org:kth-155146DiVA, id: diva2:760980
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QC 20141105

Tillgänglig från: 2014-11-05 Skapad: 2014-10-31 Senast uppdaterad: 2017-12-05Bibliografiskt granskad

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Li, XinÅgren, Hans

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Chemistry - A European Journal
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