A Simple, One-step, Seedless Hydrothermal Growth of ZnO Nanorods on Printed Circuit Board Substrate

High quality, high density, and well-aligned zinc oxide (ZnO) nanorods have been synthesized on cost-effective printed circuit board (PCB) substrates via a simple, seedless, one-step, low-temperature hydrothermal method based galvanic cell structure. It was found that the outer diameters of the ZnO nanorods range from 50 nm to 400 nm. The as-grown ZnO nanorods prefer to grow along the c axis. The morphologies of the ZnO nanorods were investigated by scanning electron microscope (SEM) and X-ray diffraction (XRD). The crystallinity properties were characterized by Raman spectroscopy and photoluminescence (PL) spectroscopy.

Title: A Simple, One-step, Seedless Hydrothermal Growth of ZnO Nanorods on Printed Circuit Board Substrate
Authors: Mai, Hong Hanh
Nguyen, Viet Tuyen
Pham, Van Thanh
Hoang, Chi Hieu
Keywords: ZnO nanorods;printed circuit boards (PCB);hydrothermal method
Issue Date: 2017
Publisher: H. : ĐHQGHN
Series/Report no.: Vol. 33;No. 2 (2017)
Abstract: High quality, high density, and well-aligned zinc oxide (ZnO) nanorods have been synthesized on cost-effective printed circuit board (PCB) substrates via a simple, seedless, one-step, low-temperature hydrothermal method based galvanic cell structure. It was found that the outer diameters of the ZnO nanorods range from 50 nm to 400 nm. The as-grown ZnO nanorods prefer to grow along the c axis. The morphologies of the ZnO nanorods were investigated by scanning electron microscope (SEM) and X-ray diffraction (XRD). The crystallinity properties were characterized by Raman spectroscopy and photoluminescence (PL) spectroscopy.
Description: p. 29-33
URI: http://repository.vnu.edu.vn/handle/VNU_123/55374
ISSN: 2588-1124
Appears in Collections:Mathematics and Physics

Nhận xét

Đăng nhận xét

Bài đăng phổ biến từ blog này

Wetting effect on optical sum frequency generation (SFG) spectra of D-glucose, D-fructose, and sucrose

(Graph Presented) We report a sum frequency generation (SFG) spectroscopy study of D-glucose, D-fructose and sucrose in the C-H stretching vibration regime. Wetting effect on the SFG spectra was investigated. The SFG spectrum of D-glucose changed from that of α-D-glucose into those of α-D-glucose monohydrate by wetting. The SFG spectra showed evidence of a small change of β-D-fructopyranose into other anomers by wetting. SFG spectra of sucrose did not change by wetting. Assignments of the vibrational peaks in the SFG spectra of the three sugars in the dry and wet states were performed in the C-H stretching vibration region near 3000 cm-1. Title:  Wetting effect on optical sum frequency generation (SFG) spectra of D-glucose, D-fructose, and sucrose Authors:  Hoang, Chi Hieu Li, Hongyan Miyauchi, Yoshihiro Mizutani, Goro Fujita, Naoko Nakamura, Yasunori Keywords:  Fructose;Spectroscopy;Optical sum frequency generation (SFG);Stretching vibrations;Optical Phenom...
Đọc thêm

Nghiên cứu thiết kế, mô phỏng và thử nghiệm cảm biến góc nghiêng hai chiều cấu trúc hai pha lỏng - khí: Luận văn ThS. Kỹ thuật điện, điện tử và viễn thông

Title:  Nghiên cứu thiết kế, mô phỏng và thử nghiệm cảm biến góc nghiêng hai chiều cấu trúc hai pha lỏng - khí: Luận văn ThS. Kỹ thuật điện, điện tử và viễn thông Authors:  Nguyễn, Ngọc Dũng Keywords:  Kỹ thuật điện tử;Cảm biến Issue Date:  2017 Publisher:  H.: Trường Đại học Công Nghệ Abstract:  Luận văn thực hiện nghiên cứu mô phỏng cải tiến hoạt động và thử nghiệm hệ thống cảm biến góc nghiêng hai chiều cấu trúc hai pha lỏng – khí phục vụ cho mục đích xác định góc nghiêng của vật thể. Hệ thống cảm biến có cấu trúc bao gồm hai pha lỏng (dung môi) – khí (không khí) được đặt trong một hình cầucó gắn các điện cực xung quanh. Hệ thống được mô phỏng xác nhận hoạt động sử dụng phương pháp phân tích các phần tử hữu hạn (FEM) dùng COMSOL Multiphysics. Độ nghiêng được xác định dựa trên giá trị điện dung vi sai của các cặp điện cực. Hệ thống đo đạc thử nghiệm xác định góc nghiêng của vật thể dựa theo giá trị đầu ra của cảm biến đo ...
Đọc thêm

Torsional buckling and post-buckling behavior of eccentrically stiffened functionally graded toroidal shell segments surrounded by an elastic medium

The nonlinear buckling and post-buckling problems of functionally graded stiffened toroidal shell segments surrounded by an elastic medium under torsion based on an analytical approach are investigated. The rings and stringers are attached to the shell, and material properties of the shell are assumed to be continuously graded in the thickness direction. The classical shell theory with the geometrical nonlinearity in von Kármán sense and the smeared stiffeners technique are applied to establish theoretical formulations. The three-term approximate solution of deflection is chosen more correctly, and the explicit expression to find critical load and post-buckling torsional load-deflection curves is given. The effects of geometrical parameters and the effectiveness of stiffeners on the stability of the shell are investigated. Title:  Torsional buckling and post-buckling behavior of eccentrically stiffened functionally graded toroidal shell segments surrounded by an elas...
Đọc thêm