Certain chemical compounds absorb all wavelengths of visible light
Multiple chemical compounds and novel materials have been documented to exhibit broadband light absorption that spans the entire visible spectrum.
The retrieved papers provide multiple instances of specific chemical compounds, composite films, and advanced nanomaterials that absorb light across wide ranges of wavelengths, including the entire visible spectrum. The claim is specific, testable, and supported by multiple reliable sources.
Jia Guo, Dazhou Huang, Yue Zhang, Huizhen Yao, Yunzheng Wang, Feng Zhang, Rui Wang, Yanqi Ge, Yufeng Song, Zhinan Guo, Fumei Yang, Jiefeng Liu, Chenyang Xing, T. Zhai, D. Fan, Han Zhang. 2D GeP as a Novel Broadband Nonlinear Optical Material for Ultrafast Photonics. 2019. https://doi.org/10.1002/lpor.201900123
Paper 0 describes GeP compounds exhibiting a wide-range and broadband optical absorption across the visible and infrared spectrum.
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Quanfu He, S. Tomaz, Chunlin Li, Ming Zhu, D. Meidan, M. Riva, A. Laskin, S. Brown, C. George, Xinming Wang, Y. Rudich. Optical Properties of Secondary Organic Aerosol Produced by Nitrate Radical Oxidation of Biogenic Volatile Organic Compounds. 2021. https://doi.org/10.1021/acs.est.0c06838
Paper 1 notes that secondary organic aerosols display broadband optical absorption covering the 315-650 nm wavelength range.
Shaohui Guo, Lin Yang, Yuanyuan Zhang, Zhixiang Huang, Xingang Ren, W. Sha, Xuanhua Li. Enhanced hydrogen evolution via interlaced Ni3S2/MoS2 heterojunction photocatalysts with efficient interfacial contact and broadband absorption. 2018. https://doi.org/10.1016/J.JALLCOM.2018.03.329
Paper 2 demonstrates that Ni3S2/MoS2 heterostructures exhibit broadband light absorption extending across the visible spectrum from 300 to 800 nm.
Si-Yan Gao, Yi-Feng Zheng, Shuqiang He, Haiping Fang, Yue-Yu Zhang. Sn9C15 monolayer with desirable bandgap, high carrier mobilities, and broadband light absorption for photovoltaic devices.. 2025. https://doi.org/10.1063/5.0254011
Paper 7 shows that the Sn9C15 monolayer possesses benign light absorption spanning the whole visible region.
Stockert JC, Blázquez-Castro A. Updating melanoma therapy regarding melanin structure: Advances and proposals from biophysics, histochemistry and cell biology.. 2026. https://doi.org/10.1016/j.acthis.2026.152355
Paper 8 states that melanin accounts for broadband light absorption across various wavelengths.
Pedersen SK, Steigerwald ML, Nuckolls C, Pittelkow M. Amplified chiroptic response in a multi-helical penta-perylene structure.. 2026. https://doi.org/10.1039/d6sc03791g
Paper 9 reports a multi-helical penta-perylene structure displaying a broadband chiroptical response across most of the visible spectrum.
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