English  |  正體中文  |  简体中文  |  Items with full text/Total items : 28608/40649
Visitors : 6451255      Online Users : 68
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search

Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48175

Title: Origins of excitation-wavelength-dependent photoluminescence in WS2 quantum dots
Authors: Septem P. Caigas
Svette Reina Merden Santiago
Tzu-Neng Lin
Chi-Tsu Yuan
Ji-Lin Shen
Tai-Yuan Lin
Cheng-An J. Lin
Contributors: 國立臺灣海洋大學:光電與材料科技學系
Date: 2018-02
Issue Date: 2018-08-15T03:59:27Z
Publisher: Appl. Phys. Lett.
Abstract: Abstract: We report the photoluminescence studies of pristine and diethylenetriamine-doped (DETA-doped) WS2 quantum dots (QDs) synthesized by pulsed laser ablation. The DETA-doped WS2 QDs revealed a notable improvement of the luminescence quantum yield from 0.1% to 15.2% in comparison to pristine WS2 QDs. On the basis of the photoluminescence (PL) under different excitation wavelengths and the emission-energy dependence of PL dynamics, we suggest that the excitation-wavelength-dependent (excitation-wavelength-independent) PL for pristine (DETA-doped) WS2 QDs is attributed to the recombination of carriers from the localized (delocalized) states.
Relation: 112(9)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/48175
Appears in Collections:[光電科學研究所] 期刊論文

Files in This Item:

File Description SizeFormat

All items in NTOUR are protected by copyright, with all rights reserved.


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback