Self-supported CPs Materials for Photodegrading Toxic Organics in Water

Bao, Shu-Jin; Xu, Ze-Ming; Niu, Zheng; Lang, Jian‐Ping

doi:10.1007/978-981-16-0463-8_14

Cited by 1 publication

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“…According to a literature search, some Ag and Au polymers, such as [Ag 4 (NO 3 ) 4 (dpppda)] n (dpppda = 1,4- N , N , N , N -tetra(diphenylphosphanylmethyl) benzene diamine) and [Au 2 (dppmt) 2 ] n (dppmtH = (diphenylphosphino)methanethiol), showed photodegradation activities toward PNP (Table ), where a short-wavelength UV source was required to prompt these photodegradation reactions. , This study provided an efficient photodegradation of PNP by our synthesized inorganic–organic hybrid polymers under mild conditions, promoted by Xe lamp radiation.…”

Section: Resultsmentioning

confidence: 99%

Structure–Property Relationships of Inorganic–Organic Hybrid Semiconducting Se–Fe–Cu–CO Polymers

et al. 2021

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A novel family of inorganic–organic-hybrid SeFe3(CO)9–dipyridyl two- and one-dimensional Cu polymers was synthesized via the three-component liquid-assisted grinding (LAG) of [Cu(MeCN)4]+, inorganic cluster [SeFe3(CO)9]2– (1), and rigid conjugated dipyridyls 4,4′-dipyridyl (dpy) and 1,2-bis(4-pyridyl)ethylene (bpee) or flexible conjugation-interrupted dipyridyls 1,2-bis(4-pyridyl)ethane (bpea) and 1,3-bis(4-pyridyl)propane (bpp). They included a cluster-linked 2D polymer, [(μ4-Se)Fe3(CO)9Cu2(MeCN)(dpy)1.5] n (1-dpy-2D), a cluster-pendant 1D chain, [(μ3-Se)Fe3(CO)9Cu2(dpy)3] n (1-dpy-1D), cluster-blocked 1D polymers, [(μ3-Se)Fe3(CO)9Cu2(L)] n (1-L-1D, L = bpee, bpea), and a cluster-linked 2D polymer, [(μ4-Se)Fe3(CO)9Cu2(bpp)2] n (1-bpp-2D). The reversible dimensionality transformations of these three types of polymers accompanied by the change in coordination modes of 1 were achieved by the LAG addition of 1/[Cu(MeCN)4]+ or dipyridyl ligands. These polymers were found to possess tunable low-energy gaps (1.49–1.72 eV) that increased in the order regarding their structural features: cluster-linked 1-dpy-2D and 1-bpp-2D, cluster-blocked 1-bpea-1D and 1-bpee-1D, and cluster-pendant 1-dpy-1D and [(μ3-Se)Fe3(CO)9Cu2(L)2.5] n (L = bpee, 1-bpee-2D; bpea, 1-bpea-2D), indicative of the importance of the participation of cluster 1. The measured electrical conductivities of 1-bpp-2D, 1-bpea-1D, and 1-dpy-1D were 3.13 × 10–7, 2.92 × 10–7, and 2.30 × 10–7 S·cm–1, respectively, which were parallel for the trend in their energy gaps, revealing semiconducting behaviors, supported by XPS, XANES, and DFT calculations. The surprising semiconductivity of the conjugation-interrupted bpp-linked 1-bpp-2D was mainly ascribed to electron transport via C–H···O(carbonyl) hydrogen bonds and aromatic C–H···π contacts within its closely packed 2D layers. Water-/light-stable polymers 1-bpp-2D, 1-bpea-2D, and 1-dpy-1D were also demonstrated to exhibit excellent pseudo-first-order photodegradation toward nitroaromatics and organic dyes, where cluster-linked polymer 1-bpp-2D performed the best, as predicted by its structural features and narrow energy gap.

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Section: Resultsmentioning

confidence: 99%