Volume 68, Issue 11 pp. 2211-2223
ARTICLE

Synthesis of rod-shaped dipolar compounds for the study of long-range electronic interactions

Jay Chuang

Jay Chuang

Department of Chemistry, Chinese Culture University, Taipei, Taiwan

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Chun-Wei Chang

Chun-Wei Chang

Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi, Taiwan

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Yuan Jay Chang

Yuan Jay Chang

Department of Chemistry, Tunghai University, Taichung, Taiwan

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Po-Ting Chou

Po-Ting Chou

Department of Chemistry, Chinese Culture University, Taipei, Taiwan

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Yuh-Sheng Wen

Yuh-Sheng Wen

Institute of Chemistry, Academia Sinica, Taipei, Taiwan

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Ching-Yang Liu

Corresponding Author

Ching-Yang Liu

Department of Chemistry, Chinese Culture University, Taipei, Taiwan

Correspondence

Ching-Yang Liu, Department of Chemistry, Chinese Culture University, Taipei, Taiwan.

Email: [email protected]

Teh-Chang Chou, Department of Chemistry and Biochemistry, National Chung Cheng University, Ming-Hsiung, Chiayi, Taiwan.

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Tahsin J. Chow, Department of Chemistry, Tunghai University, Taichung, Taiwan.

Email: [email protected]

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Teh-Chang Chou

Corresponding Author

Teh-Chang Chou

Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi, Taiwan

Correspondence

Ching-Yang Liu, Department of Chemistry, Chinese Culture University, Taipei, Taiwan.

Email: [email protected]

Teh-Chang Chou, Department of Chemistry and Biochemistry, National Chung Cheng University, Ming-Hsiung, Chiayi, Taiwan.

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Tahsin J. Chow, Department of Chemistry, Tunghai University, Taichung, Taiwan.

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Tahsin J. Chow

Corresponding Author

Tahsin J. Chow

Department of Chemistry, Tunghai University, Taichung, Taiwan

Institute of Chemistry, Academia Sinica, Taipei, Taiwan

Correspondence

Ching-Yang Liu, Department of Chemistry, Chinese Culture University, Taipei, Taiwan.

Email: [email protected]

Teh-Chang Chou, Department of Chemistry and Biochemistry, National Chung Cheng University, Ming-Hsiung, Chiayi, Taiwan.

Email: [email protected]

Tahsin J. Chow, Department of Chemistry, Tunghai University, Taichung, Taiwan.

Email: [email protected]

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First published: 27 July 2021
Citations: 1

Funding information: Tunghai University; Academia Sinica; Chinese Ministry of Science and Technology

Abstract

Two series of rod-shaped dipolar organic compounds are synthesized, each of which contains an electron donor (D), an electron acceptor (A), and a rigid hydrocarbon spacer (S). The first series of S compounds belong to the derivatives of oligo-norbornyl (NB3 and NB4); and the second series of S the derivatives of a cage-shaped heptacyclic tetradecane (HT2a,b and HT4a,b). The absorption/emission spectra and the oxidation/reduction potentials of D's and A's are measured, and the free energy of the photo-excited electron transfer (PET) process is estimated according to the Marcus relationship. The degree of fluorescence quenching is found to be proportional to the corresponding free energy. The symmetry correlation between the frontier molecular orbitals of D and A is believed to play a significant role in the PET processes.

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