期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 57, 期 12, 页码 4277-4286出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.8b00006
关键词
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资金
- National Science Foundation through a CAREER Award [DMR-1253231]
- EPSCoR RU Track-I Award [OIA-1655740]
- National Natural Science Foundation of China [51302113]
- Natural Science Foundation of Jiangsu Province [BK20130512]
- Jiangsu University Study-Abroad Funds [20162673]
- Graduate Research Grant from Jiangsu University [15A076]
- Innovation and Entrepreneurship Training Program of Jiangsu Province, China [201710299016Z]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1253231] Funding Source: National Science Foundation
Photocatalytic degradation of toxic organic pollutants in aquatic environments provides an efficient, cost-effective, and sustainable approach to environmental remediation. The optimization of photocatalytic detoxification processes essentially relies not only on the capability to fine-tailor the structures and compositions of the photocatalysts but also on detailed understanding of the mechanisms that dictate the photocatalytic interfacial molecular transformations. Here we have designed and constructed a hierarchically organized suprastructure comprising TiO2@Ag nanocomposite particles supported by cellulose microfiber matrices, which serves as both an efficient photocatalyst for the photodegradation of 4-chlorophenol into mineralized small molecules and a robust substrate for plasmon-enhanced molecular spectroscopy. Such dual functionalities provide unique opportunities for us to precisely monitor, in real time, the detailed photocatalytic molecular transformations occurring at the molecule-catalyst interfaces using surface-enhanced Raman scattering as an ultrasensitive, time resolving, and molecular fingerprinting spectroscopic tool.
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