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      Yan, Qingyu (123)
      Hng, Huey Hoon (61)Rui, Xianhong (38)Zhang, Hua (38)Zhu, Jixin (35)Tan, Huiteng (22)Ma, Jan (19)Shi, Wenhui (19)Lim, Tuti Mariana (18)Zhang, Wenyu (17)... View MoreDate2018 (2)2017 (2)2016 (1)2015 (9)2014 (24)2013 (28)2012 (31)2011 (16)2010 (6)2009 (4)SubjectEngineering (74)Science (7)Materials Science and Engineering (3)2D Materials (1)Anisotropic SnO2 heterostructures (1)Batteries (1)Chemistry and Biological Chemistry (1)Civil and Environmental Engineering (1)Coordination polymers (1)general method; metal organic framework; spinel; hollow structure; lithium ion batteries (1)... View More

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      From zinc-cyanide hybrid coordination polymers to hierarchical yolk-shell structures for high-performance and ultra-stable lithium-ion batteries 

      Fan, Haosen; Yu, Hong; Zhang, Yufei; Guo, Jing; Wang, Zhen; Wang, Hao; Hao, Xi; Zhao, Ning; Geng, Hongbo; Dai, Zhengfei; Yan, Qingyu; Xu, Jian (2017)
      Uniform zinc-cyanide hybrid coordination polymer microspheres were successfully synthesized by a coprecipitation method. Then hierarchical yolk-shell structured and carbon coated ZnO microspheres (YC-ZnO) composed of ZnO@C ...
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      p-type Bi0.4Sb1.6Te3 nanocomposites with enhanced figure of merit 

      Fan, Shufen; Zhao, Junnan; Guo, Jun; Yan, Qingyu; Ma, Jan; Hng, Huey Hoon (2010)
      We report enhanced figure of merit, ZT, in p-type Bi0.4Sb1.6Te3 nanocomposites fabricated by a rapid and high throughput method of mixing nanostructured Bi0.4Sb1.6Te3 particles obtained through melt spinning with micronsized ...
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      Enhanced thermopower of graphene films with oxygen plasma treatment 

      Xiao, Ni; Dong, Xiaochen; Song, Li; Liu, Dayong; Tay, Yee Yan; Wu, Shixin; Li, Lain-Jong; Zhao, Yang; Yu, Ting; Zhang, Hua; Huang, Wei; Hng, Huey Hoon; Ajayan, Pulickel M.; Yan, Qingyu (2011)
      In this work, we show that the maximum thermopower of few layers graphene (FLG) films could be greatly enhanced up to ∼700 μV/K after oxygen plasma treatment. The electrical conductivities of these plasma treated FLG films ...
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      Synthesis of porous NiO nanocrystals with controllable surface area and their application as supercapacitor electrodes 

      Zhang, Xiaojun; Shi, Wenhui; Zhu, Jixin; Zhao, Weiyun; Ma, Jan; Subodh Gautam Mhaisalkar; Lim, Tuti Maria; Yang, Yanhui; Zhang, Hua; Hng, Huey Hoon; Yan, Qingyu (2010)
      We report a facile way to grow various porous NiO nanostructures including nanoslices, nanoplates, and nanocolumns, which show a structure-dependence in their specific charge capacitances. The formation of controllable ...
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      Influence of pulsed laser deposition rate on the microstructure and thermoelectric properties of Ca3Co4O9 thin films 

      Sun, T.; Ma, Jan; Yan, Qingyu; Huang, Y. Z.; Wang, J. L.; Hng, Huey Hoon (2009)
      The effects of deposition rate on the microstructure and thermoelectric (TE) properties of Ca3Co4O9 thin films fabricated by pulsed laser deposition (PLD) technique were investigated. X-ray diffraction (XRD) and high-resolution ...
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      Graphene-based materials : synthesis, characterization, properties, and applications 

      Huang, Xiao; Yin, Zongyou; Wu, Shixin; Qi, Xiaoying; He, Qiyuan; Zhang, Qichun; Yan, Qingyu; Boey, Freddy Yin Chiang; Zhang, Hua (2011)
      Graphene, a two-dimensional, single-layer sheet of sp2 hybridized carbon atoms, has attracted tremendous attention and research interest, owing to its exceptional physical properties, such as high electronic conductivity, ...
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      Binary-phased nanoparticles for enhanced thermoelectric properties 

      Zhou, Wenwen; Zhu, Jixin; Li, Di; Hng, Huey Hoon; Boey, Freddy Yin Chiang; Ma, Jan; Zhang, Hua; Yan, Qingyu (2009)
      Binary-phased PbTe-PtTe2 nanoparticles are synthesized by co-precipitation in a chemical process. These nanoparticles show much enhanced power factors as compared to that of pure PbTe nanoparticles, which may give impact ...
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      Generation of dual patterns of metal oxide nanomaterials based on seed-mediated selective growth 

      Yin, Zongyou; He, Qiyuan; Huang, Xiao; Lu, Gang; Hng, Huey Hoon; Chen, Hongyu; Xue, Can; Yan, Qingyu; Boey, Freddy Yin Chiang; Zhang, Qichun; Zhang, Hua (2010)
      A facile route for the generation of the dual patterns of metal oxide nanomaterials, for example, ZnO and CuO, has been developed by printing the oxide seeds through a combination of microcontact printing (μCP) and ...
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      Effect of Ag-doping on crystal structure and high temperature thermoelectric properties of c-axis oriented Ca3Co4O9 thin films by pulsed laser deposition 

      Sun, T.; Hng, Huey Hoon; Yan, Qingyu; Ma, Jan (2011)
      Ag-doped Ca3Co4O9 thin films with nominal composition of Ca3−xAgxCo4O9 (x = 0∼0.4) have been prepared on sapphire (0 0 0 1) substrates by pulsed laser deposition (PLD). Structural characterizations and surface chemical ...
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      Power factor enhancement for few-layered graphene films by molecular attachments 

      Sim, Daohao; Liu, Dayong; Dong, Xiaochen; Xiao, Ni; Li, Sean; Zhao, Yang; Li, Lain-Jong; Yan, Qingyu; Hng, Huey Hoon (2011)
      In this work, we prepared few-layered graphene (FLG) films and investigated their thermoelectric properties. It was found that pristine FLG films showed a low thermopower of ~40 μV/K. We further processed these FLG films ...
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