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Principles and Practice of Heterogeneous Catalysis
Open accessAbstract
Four conjugated organic triphenylamine-based mixed-valence chromophores, T1–T4, with large two-photon absorption (2PA) across sections were designed, synthesized and fully characterized by IR, MS, EI and NMR spectroscopy. Photophysical properties and mixed-valence characters of them were investigated. It was found that T4 displayed prodigious 2PA response when extending conjugation system and enriching electron density within the molecule. The enriched electron character of T4 makes it to be selectively oxidized with copper salt in solution, forming stable mixed-valence state and then used for colorimetric detection of Cu2+ ions. A simple device was fabricated using T4 for “naked eye” detection of Cu2+. The device can detect Cu2+ as low as 0.01 μM.
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Cited by
Liu, R., Tan, K. T., Gong, Y., Chen, Y., Li, Z., Xie, S., He, T., Lu, Z., Yang, H., & Jiang, D. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00620c · Cited by 1,083
The Multifaceted Reactivity of Single‐Atom Heterogeneous Catalysts
Mitchell, S., Vorobyeva, E., & Pérez‐Ramírez, J. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201806936 · Cited by 348
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Metadata
- Venue
- Focus on Catalysts
- Publisher
- Elsevier BV
- Published
- 2015-09
- Volume
- 2015
- Issue
- 9
- Pages
- 7
- ISSN
- 1351-4180 (ISSN-L)
- OpenAlex
- W1594351893
- Cited by
- 905
- References
- 0
- FWCI
- 21.51
- Type
- journal article
- Language
- en
- Open access
- hybrid
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