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Using circular dichroism (CD) spectroscopy, we observed the CD spectra of supramolecular gel <jats:bold>1<\/jats:bold>, which comprised a triphenylamine (TPA) core, terpyridine, and alanine moieties, formed in various solvents. The strong positive CD signals of supramolecular gel <jats:bold>1<\/jats:bold> formed in organic solvents, such as chloroform, tetrahydrofuran (THF), and dichloromethane, which have low polarity and a low acceptor number, were observed at 350\u2005nm, indicating right\u2010handed helicity. In contrast, the negative CD signals of supramolecular gel <jats:bold>1<\/jats:bold> formed in mixed DMSO\/water (5:1 v\/v), methanol, ethanol, and n\u2010propanol were obtained at 350\u2005nm, indicating left\u2010handed helicity. These findings suggest that the helicity of supramolecular gel <jats:bold>1<\/jats:bold> was strongly influenced by the solvent properties. Indeed, atomic force spectroscopy images showed the right\u2010 and left\u2010handed helicity of supramolecular gel <jats:bold>1<\/jats:bold> formed in various organic solvents, which was pure helicity.<\/jats:p>","DOI":"10.1002\/chem.201802086","type":"journal-article","created":{"date-parts":[[2018,5,30]],"date-time":"2018-05-30T21:50:12Z","timestamp":1527717012000},"page":"11763-11770","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Helicity Control of Triphenylamine\u2010Based Supramolecular Polymers: Correlation between Solvent Properties and Helicity in Supramolecular Gels"],"prefix":"10.1002","volume":"24","author":[{"given":"Ka Young","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Chemistry and Research Institute of Natural Sciences Gyeongsang National University  Jinju 660-701 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