Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Qingyan Han"'
Publikováno v:
Agronomy, Vol 14, Iss 10, p 2270 (2024)
The concentration of nitrogen fertilizer is matched with the nutrient requirements in different growth stages of plants, which coordinates their vegetative and reproductive growth. In this study, the influences of nitrogen concentration before and af
Externí odkaz:
https://doaj.org/article/95f09451adb74547a31f1ad90b72541d
Autor:
Gaoqiang Lv, Wenya Zhang, Xiaoyue Liu, Ji Zhang, Fei Liu, Hanping Mao, Weihong Sun, Qingyan Han, Jinxiu Song
Publikováno v:
Agronomy, Vol 14, Iss 10, p 2392 (2024)
As a fast detection method, Fourier transform infrared attenuated total reflection (ATR-FTIR) spectroscopy is seldom used for monitoring soluble sugars in crops. This study aimed to demonstrate the feasibility of leveraging ATR-FTIR coupled with chem
Externí odkaz:
https://doaj.org/article/3443fea0b9b4485eb9e882d0ef507fc6
Autor:
Jun Dong, Chengyuan Yang, Haoran Wu, Qianying Wang, Yi Cao, Qingyan Han, Wei Gao, Yongkai Wang, Jianxia Qi, Mengtao Sun
Publikováno v:
ACS Omega, Vol 7, Iss 4, Pp 3312-3323 (2022)
Externí odkaz:
https://doaj.org/article/b2703cc81e5040d6a07b55203c150d19
Autor:
Jun Dong, Xing Zhao, Wei Gao, Qingyan Han, Jianxia Qi, Yongkai Wang, Sandong Guo, Mengtao Sun
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-9 (2019)
Abstract The unique photonic effect of self-assembled metal nanoparticles is widely used in many applications. In this article, we prepared self-assembled gold nanorod (GNR) vertical arrays substrate by an evaporation method and found that the morpho
Externí odkaz:
https://doaj.org/article/3e138d99f73d4847a41114cd831d90a8
Publikováno v:
Nanomaterials, Vol 12, Iss 8, p 1329 (2022)
Excitation of surface plasmon resonance of metal nanostructures is a promising way to break the limit of optical diffraction and to achieve a great enhancement of the local electromagnetic field by the confinement of optical field at the nanoscale. M
Externí odkaz:
https://doaj.org/article/2eb485424e664840baecf752155b0a01
Autor:
Qingyan Han, Chengyun Zhang, Chi Wang, Zhaojin Wang, Caixia Li, Wei Gao, Jun Dong, Enjie He, Zhenglong Zhang, Hairong Zheng
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract A new design of peculiar-shaped β-NaYF4: 20% Yb3+/2% Er3+ hexagonal microcrystal (PSβHM) is proposed and its upconversion (UC) luminescence with adjustable color pattern is studied with near infrared excitation. Flower-like green UC lumine
Externí odkaz:
https://doaj.org/article/94d3437f2d7d4629832df73337ff6215
Publikováno v:
Reviews in Physics, Vol 4, Iss , Pp - (2019)
The enhanced local electromagnetic field (EM) excited on the noble metallic nanostructure exhibits potential application in various areas, particularly in surface-enhanced spectroscopy (SES). Resonant coupling of SPs to luminous centers can strongly
Externí odkaz:
https://doaj.org/article/397c53f6fd21494fb7fae098af71880b
Autor:
Yongkai Wang, Zhiduo Li, Yu Peng, Xiang Lan, Jun Dong, Wei Gao, Qingyan Han, Jianxia Qi, Zhongyue Zhang
Publikováno v:
ACS Applied Materials & Interfaces. 15:1925-1933
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f92b7158f1fc273d68822a516ddf8970
https://doi.org/10.1021/acsami.2c20203
https://doi.org/10.1021/acsami.2c20203
Autor:
Jun Dong, yuchong ren, kangzhe zhao, Jiaxin Yuan, Qingyan Han, wei gao, jihong liu, Lipeng Zhu, zhiyu Zhang, Jianxia Qi
Publikováno v:
Optics Express.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3bbfea18d8ce67d57a587f5255db528
https://doi.org/10.1364/oe.493374
https://doi.org/10.1364/oe.493374
Autor:
Shanshan Han, Xuewen Yan, Jihong Liu, Yu Xing, Wei Gao, Lin Liu, Qingyan Han, Binhui Chen, Xiaotong Cheng, Jun Dong
Publikováno v:
Journal of Rare Earths. 40:517-525
The red upconversion emission of Ho3+ ions, in the optical window of biological tissue, exhibits excellent prospects in biological applications. This study aims to enhance the red upconversion emission intensity of Ho3+ ions in NaLuF4:20%Yb3+/2%Ho3+/
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::555f6f1722ee8e7db155d23ff1f27fa7
https://doi.org/10.1016/j.jre.2021.11.005
https://doi.org/10.1016/j.jre.2021.11.005