Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/102140
Title: | Efficient Ag@AgCl cubic cage photocatalysts profit from ultrafast plasmon-induced electron transfer processes | Authors: | Tang, Yuxin Jiang, Zhelong Xing, Guichuan Li, Anran Kanhere, Pushkar D. Zhang, Yanyan Sum, Tze Chien Li, Shuzhou Chen, Xiaodong Dong, Zhili Chen, Zhong |
Keywords: | DRNTU::Science::Chemistry::Physical chemistry | Issue Date: | 2013 | Source: | Tang, Y., Jiang, Z., Xing, G., Li, A., Kanhere, P. D., Zhang, Y., et al. (2013). Efficient Ag@AgCl cubic cage photocatalysts profit from ultrafast plasmon-induced electron transfer processes. Advanced Functional Materials, 23(23), 2932-2940. | Series/Report no.: | Advanced functional materials | Abstract: | Photon-coupling and electron dynamics are the key processes leading to the photocatalytic activity of plasmonic metal-semiconductor nanohybrids. To better utilize and explore these effects, a facile large-scale synthesis route to form Ag@AgCl cubic cages with well-defined hollow interiors is carried out using a water-soluble sacrificial salt-crystal-template process. Theoretical calculations and experimental probes of the electron transfer process are used in an effort to gain insight into the underlying plasmonic properties of the Ag@AgCl materials. Efficient utilization of solar energy to create electron-hole pairs is attributed to the significant light confinement and enhancement around the Ag/AgCl interfacial plasmon hot spots and multilight-reflection inside the cage structure. More importantly, an ultrafast electron transfer process (≤150 fs) from Ag nanoparticles to the AgCl surface is detected, which facilitates the charge separation efficiency in this system, contributing to high photocatalytic activity and stability of Ag@AgCl photocatalyst towards organic dye degradation. | URI: | https://hdl.handle.net/10356/102140 http://hdl.handle.net/10220/18947 |
ISSN: | 1616-301X | DOI: | 10.1002/adfm.201203379 | Rights: | © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MSE Journal Articles SPMS Journal Articles |
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