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Weihong Zhang
Researcher at Sun Yat-sen University
Publications - 44
Citations - 1273
Weihong Zhang is an academic researcher from Sun Yat-sen University. The author has contributed to research in topics: Catalysis & X-ray photoelectron spectroscopy. The author has an hindex of 17, co-authored 44 publications receiving 1025 citations.
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XPS studies on surface reduction of tungsten oxide nanowire film by Ar+ bombardment
TL;DR: In this article, an X-ray photoelectron spectroscopy (XPS) system was used to produce uniform tungsten cone arrays during high-energy ion beam bombardment.
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Iodine/nitrogen co-doped graphene as metal free catalyst for oxygen reduction reaction
Yunfeng Zhan,Jilin Huang,Zhipeng Lin,Xiang Yu,Dongrong Zeng,Xiaoxue Zhang,Fangyan Xie,Weihong Zhang,Jian Chen,Hui Meng +9 more
TL;DR: By doping graphene with iodine and ammonia, I and N co-doped graphene (ING) is prepared and used as metal free catalyst for the oxygen reduction reaction (ORR) both in alkaline and acidic media as mentioned in this paper.
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Exploring the active sites of nitrogen-doped graphene as catalysts for the oxygen reduction reaction
Wenpeng Ouyang,Dongrong Zeng,Xiang Yu,Fangyan Xie,Weihong Zhang,Jian Chen,Jing Yan,Fangjing Xie,Lei Wang,Hui Meng,Dingsheng Yuan +10 more
TL;DR: In this paper, Nitrogen-doped graphene is studied as a kind of nonnoble metal catalyst for the oxygen reduction reaction in the cathode of fuel cells, and the defect of graphene caused by nitrogen doping is detected by Raman spectra.
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Iodine doped graphene as anode material for lithium ion battery
Yunfeng Zhan,Bodong Zhang,Linmin Cao,Xiaoxian Wu,Zhipeng Lin,Xiang Yu,Xiaoxue Zhang,Dongrong Zeng,Fangyan Xie,Weihong Zhang,Jian Chen,Hui Meng +11 more
TL;DR: I-doped graphene is synthesized by a facile heat treatment method and used as anode material for lithium ion battery as mentioned in this paper, which exhibits high reversible capacity (1690 mAhg−1 at 100 mA g−1), good cyclability (retaining 92.6% reversible capacity after 200 cycles) and excellent rate performance.
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Surface characterization on graphitization of nanodiamond powder annealed in nitrogen ambient
TL;DR: In this paper, surface characterization of the unannealed nanodiamond sample, and the samples annealed at various temperatures in nitrogen ambient, is conducted by XPS and Raman spectroscopy.