Journal
MICRO & NANO LETTERS
Volume 13, Issue 2, Pages 175-179Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2017.0104
Keywords
nanowires; polymers; adsorption; catalysts; dyes; photochemistry; niobium compounds; nanofabrication; Nb2O5; time 2 h; dye degradation; photocatalyst reaction; tricyclic aromatic ring; methyl orange; Rhodamine B; neural red; methylene blue; adsorption; BET surface area; crystal size; isopropanol; structure direct agent; Pebax; soft chemical method; polyamide; nanowires; controllable synthesis
Funding
- Jiangsu Province Distinguished Professor Jiang Xingmao teacher funding [SCZ1211400001]
- State Key Laboratory of Respiratory System
- Changzhou Municipal Science and Technology Bureau [CM20133005, 21503023, 21373034]
- Changzhou Municipal Science and Technology Bureau, Changzhou City Key Laboratory of Respiratory Medicine [CM20133005]
- Key Laboratory of Fine Petrochemical Industry
- PAPD
- Jiangsu University
- Changzhou University
- Jiangsu Province Key Laboratory of Advanced Catalytic Materials and Technology, Jiangsu Province - Changzhou University of Technology [YN1502, E3-6107-15 -026]
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A high surface area Nb2O5 nanowire material was synthesised by the soft chemical method using polyamide (Pebax) as a structure direct agent and isopropanol as a solvent. The crystal size and BET surface area of Nb2O5 were tuned by the quantity of Pebax. The surface area can reach up to 402 m(2) g(-1), which is higher than the reported value in the literature. Adsorption properties and photocatalyst properties were tested using methylene blue (MB), neural red (NR), Rhodamine B (RhB), and methyl orange (MO). The results show that MB and NR exhibit a good adsorption performance, the molecular structures of the dyes have a tricyclic aromatic ring and several amine groups can improve their adsorption properties. In a photocatalyst reaction, Nb2O5 has a selective activity for dye degradation. After 2 h of ultraviolet irradiation, the degradation rate of MB is about 91.9%, but the NR was degraded little.
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