D-A-D structured selenadiazolesbenzothiadiazole-based near-infrared dye for enhanced photoacoustic imaging and photothermal cancer therapy
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Each methylene unit inserted between donor and acceptor typically induces a red-shift of ~100 nm.
“A general rule, as exemplified in cyanine dyes, is that each methylene unit inserted between donor and acceptor typically induces a red-shift of ~100 nm111–123.”
From Organic small-molecule NIR-II fluorophores for tumor phototheranostics (2026) · cites this paper as [119]
Higher molecular planarity, stronger donor strength, and increasing acceptor electron affinity in BBTD-based systems synergistically enhance conjugation, intramolecular charge transfer strength, and excited-state stability, resulting in narrowed bandgaps and superior NIR-II optical performance.
“Recent studies have demonstrated that higher molecular planarity, stronger donor strength, and increasing acceptor electron affinity in BBTD-based systems can synergistically enhance conjugation, ICT strength, and excited-state stability, which collectively result in narrowed bandgaps and superior NIR-II optical performance117–121.”
From Organic small-molecule NIR-II fluorophores for tumor phototheranostics (2026) · cites this paper as [119]
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References 63 · Cited by 76
- Authors
- Cheng, Z., Zhang, T., Wang, W., Shen, Q., Hong, Y., Shao, J., Xie, X., Fei, Z., & Dong, X.
- Affiliations
- Nanjing Tech University (CN)
- Yancheng Teachers University (CN)
- Corresponding author
- Shao, Jinjun
- Fei, Zhenghao
- Venue
- Chinese Chemical Letters
- Publisher
- Elsevier BV
- Published
- 2021-04
- Volume
- 32
- Issue
- 4
- Pages
- 1580-1585
- ISSN
- 1001-8417 (ISSN-L)
- OpenAlex
- W3132763985
- Cited by
- 76
- References
- 63
- Citations by year
- 2026: 6 · 2025: 2 · 2024: 10 · 2023: 15 · 2022: 17 · 2021: 26
- FWCI
- 5.17
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chinese Chemical Letters (publishedVersion)
- Funders
- National Natural Science Foundation of China
- Six Talent Climax Foundation of Jiangsu
- Jiangsu Province Natural Science Foundation
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
- Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
- Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Photodynamic Therapy Research Studies
- Keywords
- near-infrared dyes, donor-acceptor-donor structure, selenadiazoles, benzothiadiazole, photothermal agents, photothermal cancer therapy, photoacoustic imaging, photothermal conversion efficiency, nanoprobes, tumor suppression
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