UV-Assisted In Situ Synthesis of Silver Nanostructures in a Metallogel Network

Authors: Nguyen Ngoc Thang*, Liu Jui Hsiang

Abstract

In this paper, we represent the green synthesis of silver nanostructures using a metallogel of silver ions incorporated with Cholesteryl Pyridine Carbamate (CPC) gelator as a soft template and the UV-induced reduction of silver ions to silver nanoparticles (AgNPs). The metallogel and AgNPs were characterized by UV–Vis spectroscopy, scanning electron microscopy (SEM) coupled with an energy dispersive spectrometer (EDS), and transmission electron microscopy (TEM). The results from UV-Vis analysis confirmed a 1/2 ratio of silver ion to the CPC ligand in the complex, and the stability constant of the complex (Kc) was about 1.03 × 10^15 M^-2, indicative of very stable coordination of the complex in ethanol. Morphological measurements revealed the highly fibrous network structure observed in both the neat CPC gel and the metallogel. Furthermore, the formation of “hairy stem-like” hollow fibers containing AgNPs were observed in the metallogel after UV irradiation, which is a rare observation in other metallogels.

Keyword

Cholesteryl Pyridine Carbamate, Metallogel, Silver nanoparticles, UV-assisted synthesis.
Pages : 63-66

Related Articles:

Authors : Nguyễn Tiến Cường*, Nguyễn Văn Giỏi, Nguyễn Thị Hoài Đức, Lương Hồng Nga
Authors : Duong Thi Huong, Takaaki Kurihara, Yoshihiko Inagaki, Yutaka Sakakibara, Đặng Minh Hiếu*
Authors : Nghiêm Thị Thương*, Trần Anh Dũng, Đỗ Quốc Việt, Nguyễn Ngọc Tuệ, Nguyễn Thu Hà, Trần Thị Thuý, Phan Trung Nghĩa, Yoshimasa Yamamoto, Seiichi Kawahara
Authors : Truong Quoc Phong*, Nguyen Thi Anh Hoa, Ngo Thu Huong, Pham Huong Giang, Khuat Huu Thanh
Authors : Lê Thị Phương Thảo*, Lê Thị Hồng Hảo, Nguyễn Thành Trung, Tạ Thị Yến, Phạm Xuân Đà
Authors : Mateus Manuel Neto*, Luu Thi Lan Anh*, Nguyen Trung Do, Nguyen Hoang Thoan, Nguyen Ngoc Trung, Chung Han Wu, Vo Thach Son