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• Gomez-Casado, A
• Gonzalez-Campo, A
• Zhang, Y
• Zhang, X
• Jonkheijm, P
• Huskens, J
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• Gomez-Casado, A
• Gonzalez-Campo, A
• Zhang, Y
• Zhang, X
• Jonkheijm, P
• Huskens, J
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• Gomez-Casado, A
• Gonzalez-Campo, A
• Zhang, Y
• Zhang, X
• Jonkheijm, P
• Huskens, J

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Polymers 2013, 5(1), 269-283; doi:10.3390/polym5010269

Article

Charge-Transfer Complexes Studied by Dynamic Force Spectroscopy

Alberto Gomez-Casado ¹ , Arántzazu Gonzalez-Campo ^1,2 , Yiheng Zhang ³ , Xi Zhang ³ , Pascal Jonkheijm ¹  and Jurriaan Huskens ^1,*

¹ Molecular Nanofabrication Group, MESA+ Institute for Nanotechnology, University of Twente, P.O. Box 217, 7500AE Enschede, The Netherlands ² Current Address, Molecular Chirality, Surfaces and Nanomaterials Group, Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, 08193, Bellaterra, Spain ³ Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China

* Author to whom correspondence should be addressed.

Received: 2 February 2013; in revised form: 25 February 2013 / Accepted: 25 February 2013 / Published: 6 March 2013

(This article belongs to the Special Issue Supramolecular Chemistry and Self-Assembly)

Download PDF Full-Text [2267 KB, Updated Version, uploaded 7 March 2013 13:31 CET]

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Abstract: In this paper, the strength and kinetics of two charge-transfer complexes, naphthol-methylviologen and pyrene-methylviologen, are studied using dynamic force spectroscopy. The dissociation rates indicate an enhanced stability of the pyrene-methylviologen complex, which agrees with its higher thermodynamic stability compared to naphthol-methylviologen complex.

Keywords: charge-transfer complex; dynamic force spectroscopy; methyl viologen; naphthol; pyrene; kinetics

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