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An efficient sodium-ion battery consisting of reduced graphene oxide bonded Na3V2(PO4)(3) in a composite carbon network 期刊论文  OAI收割
JOURNAL OF ALLOYS AND COMPOUNDS, 2018, 卷号: 767, 页码: 131-140
作者:  
Fang, YY;  Zhou, XS;  Bao, JC;  Zhang, ZZ;  Liu, SH
  |  收藏  |  浏览/下载:28/0  |  提交时间:2019/09/24
Site-specific fatty chain-modified exenatide analogs with balanced glucoregulatory activity and prolonged in vivo activity 期刊论文  OAI收割
BIOCHEMICAL PHARMACOLOGY, 2016, 卷号: 110, 页码: 80-91
作者:  
Sun, Lidan;  Huang, Xun;  Han, Jing;  Cai, Xingguang;  Dai, Yuxuan
  |  收藏  |  浏览/下载:32/0  |  提交时间:2019/01/08
Excitonic properties of vertically aligned ZnO nanotubes under high-density excitation (EI CONFERENCE) 会议论文  OAI收割
Lu Y. M.; Liang H. W.; Shen D. Z.; Zhang Z. Z.; Zhang J. Y.; Zhao D. X.; Liu Y. C.; Fan X. W.
收藏  |  浏览/下载:13/0  |  提交时间:2013/03/25
In this paper  highly oriented and vertically arranged ZnO nanotubes are prepared on Al2O3 (0 0 0 1) substrate without employing any metal catalysts by plasma-assisted molecular beam epitaxy. The photoluminescence (PL) spectra at room temperature are studied under high excitation densities. Under lower excitation density (60 kW/cm2)  PL spectrum shows that one strong free exciton emission (FE) locates at 3.306 eV. As the excitation density increases up to 200 kW/cm2  a new emission peak (Pn) located at low-energy side of FE is attributed to the spontaneous emission due to an exciton-exciton (Ex-E x) scattering process from two ground state excitons  where one exciton is recombined by emitting a photon and the other is scattered into the excited states of n=2  3  4.... Under excitation density of 300 kW/cm 2  the stimulated emission originating from Ex-E x scattering is obtained. When the excitation density is above 580 kW/cm2  the emission from electron-hole plasma is observed in low-energy side of the P band and indicates a typical superradiation recombination processes with increasing excitation density. 2006 Elsevier B.V. All rights reserved.