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
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