Review Articles
A prospective future towards bio/medical technology and bioelectronics based on 2D vdWs heterostructures
Guru Prakash Neupane1,*, Linglong Zhang1, Tanju Yildirim1, Kai Zhou2, Bowen Wang1, Yilin Tang1, Wendi Ma1, Yunzhou Xue2,*, and Yuerui Lu1,*
1 The Australian National University, Australia
2 Shenzhen University, China
This article reviews the development of various types of two-dimensional (2D) heterostructures in a variety of nano-biotechnology applications and highlights the future 2D heterostructure scopes in bioimaging, nanomedicine, bio-markers/therapy and bioelectronics.
1–17
Graphitic carbon nitride with different dimensionalities for energy and environmental applications
Qiang Hao1, Guohua Jia2, Wei Wei1, Ajayan Vinu3, Yuan Wang4, Hamidreza Arandiyan5, and Bing-Jie Ni1,*
1 University of Technology Sydney (UTS), Australia
2 Curtin University, Australia
3 The University of Newcastle, Australia
4 The University of New South Wales, Australia
5 The University of Sydney, Australia
In this work, the authors reviewed the synthesis of graphitic carbon nitride with different micro-nano structures and the applications in various energy and environmental areas.
18–37
Research Articles
Cell vibron polariton resonantly self-confined in the myelin sheath of nerve
Bo Song1,* and Yousheng Shu2
1 University of Shanghai for Science and Technology, China
2 Fudan University, China
A quantum state of cell polariton can form and be self-confined in myelinated neuron due to the specific coupling of myelin sheath and photons.
38–44
Regulating lithium nucleation and growth by zinc modified current collectors
Na Zhang1, Seung-Ho Yu1,2,*, and Héctor D. Abruña1,*
1 Cornell University, USA
2 Korea University, Republic of Korea
A Cu current collector modified with a thin layer of Zn can regulate the homogeneous Li nucleation process, leading to the uniform Li growth.
45–51
Multicolor carbon dots with concentration-tunable fluorescence and solvent-affected aggregation states for white light-emitting diodes
Fanyong Yan1,*, Yingxia Jiang1, Xiaodong Sun1, Junfu Wei1,*, Liang Chen2, and Yuyang Zhang1
1 Tiangong University, China
2 Hokkaido University, Japan
Multicolor fluorescent CDs (M-CDs) with different surface states were synthesized through one-step solvothermal method and they were successfully used in the preparation of white light-emitting diodes.
52–60
Gate length dependent transport properties of in-plane core–shell nanowires with raised contacts
Alexandre Bucamp1, Christophe Coinon1, David Troadec1, Sylvie Lepilliet1, Gilles Patriarche2, Xavier Wallart1, and Ludovic Desplanque1,*
1 Univ. Polytechnique Hauts-de-France, France
2 Université Paris-Sud-Université Paris-Saclay, France
The transport properties of in-plane InGaAs/InP core–shell nanowires with raised contacts grown by selective area molecular beam epitaxy are investigated through the characterization of metal oxide semiconductor field effect transistor (MOSFET) devices with gate length down to 30 nm.
61–66
Fishbone-like platinum-nickel nanowires as an efficient electrocatalyst for methanol oxidation
Jinquan Chang1,2, Luting Song1, Yuanqing Xu1, Yanhong Ma1, Cheng Liang1, Wenyu Jiang1, and Yong Zhang1,2,*
1 National Center for Nanoscience and Technology, China
2 University of Chinese Academy of Sciences, China
The PtNi3 fishbone-like nanowires (PtNi3-FBNWs) present unique compositional and structural features and therefore demonstrate enhanced electrocatalytic performances compared with commercial 20% Pt/C.
67–71
In situ dynamics response mechanism of the tunable length-diameter ratio nanochains for excellent microwave absorber
Wenbin You, Ke Pei, Liting Yang, Xiao Li, Xiaofeng Shi, Xuefeng Yu, Huiqiao Guo, and Renchao Che*
Fudan University, China
Co nanochains are fabricated via a magnetic field assisted assembly approach and demonstrate the enhancement of magnetic loss in microwave absorption, which exhibits strong chain-length dependences because of the improving magnetic response. Research of microwave absorption mechanism via in situ experiment provides visible evidences of magnetic response caused by multiple resonances from the microscopic level.
72–78
Ultrasonication-assisted and gram-scale synthesis of Co-LDH nanosheet aggregates for oxygen evolution reaction
Tian-Jiao Wang, Xiaoyang Liu, Ying Li, Fumin Li, Ziwei Deng*, and Yu Chen*
Shaanxi Normal University, China
Gram-scale flower-like Co-based layered double hydroxides nanosheet aggregates were synthesized by a facile and fast ultrasonic approach, which reveal preeminent stability, a small Tafel slope of 110 mV·dec−1, and a low overpotential of 300 mV at 10 mA·cm−2 for oxygen evolution reaction in alkaline media.
79–85
Highly graphitized carbon nanosheets with embedded Ni nanocrystals as anode for Li-ion batteries
Francisco Javier Soler-Piña1, Celia Hernández-Rentero1, Alvaro Caballero1,*, Julián Morales1,*, Enrique Rodríguez- Castellón2, and Jesús Canales-Vázquez3
1 Universidad de Córdoba, Spain
2 Universidad de Málaga, Spain
3 Universidad de Castilla-La Mancha, Spain
A graphitized carbon@Ni nanocrystals composite obtained at moderate temperatures possesses the ability of doubling the capacity of graphite with a similar polarization between the charge and discharge curves, much lower than that of disordered graphene.
86–94
Transformation between nanosheets and nanowires structure in MnO2 upon providing Co2+ ions and applications for microwave absorption
Lulu Song, Yuping Duan*, Jia Liu, and Huifang Pang*
Dalian University of Technology, China
The evolution of morphologies and phases of MnO2 was studied when the Co doping increased from 0 to 20 mmol (the clockwise direction), the morphologies changed from nanosheets to nanowires and then back to nanosheets, along with the phase from δ-MnO2 to α-MnO2 then to δ-MnO2.
95–104
Solid-solution alloy nanoclusters of the immiscible gold- rhodium system achieved by a solid ligand-assisted approach for highly efficient catalysis
Xinchun Yang1,2, Zhangpeng Li1, Mitsunori Kitta1, Nobuko Tsumori3, Wenhan Guo4, Zitao Zhang4, Jianbo Zhang5, Ruqiang Zou4,*, and Qiang Xu1,2,6,*
1 National Institute of Advanced Industrial Science and Technology (AIST), Japan
2 Kobe University, Japan
3 Toyama National College of Technology, Japan
4 Peking University, China
5 Centre for High-Pressure Science and Technology Advanced Research, China
6 AIST-Kyoto University Chemical Energy Materials Open Innovation Laboratory, Japan
The solid-solution alloying of the immiscible Au and Rh system has been achieved in plenty of clean, ultrafine and highly dispersed metal nanoclusters by using a solid-ligand-assisted approach, which exhibit significantly enhanced catalytic activity toward the dehydrogenation of formic acid.
105–111
High-performance transparent conducting films of long singlewalled carbon nanotubes synthesized from toluene alone
Er-Xiong Ding, Aqeel Hussain, Saeed Ahmad, Qiang Zhang*, Yongping Liao, Hua Jiang, and Esko I. Kauppinen*
Aalto University, Finland
We have for the first time systematically investigated the parameters to synthesize single-walled carbon nanotubes using toluene alone as the carbon source for the fabrication of transparent conducting films with a considerably low sheet resistance of 57 Ω/sq at 90% transmittance and high yield simultaneously.
112–120
Engineering defects and adjusting electronic structure on S doped MoO2 nanosheets toward highly active hydrogen evolution reaction
Shuo Geng1,2, Yequn Liu3, Yong Sheng Yu1,2,*, Weiwei Yang2,*, and Haibo Li1
1 Jilin Normal University, China
2 Harbin Institute of Technology, China
3 Institute of Coal Chemistry, Chinese Academy of Sciences, China
Owing to the electron structure adjusting, lattice defect engineering, and oxygen vacancies increasing, the S doped MoO2 shows excellent hydrogen evolution reaction (HER) performance.
121–126
Ultrahigh sensitive near-infrared photodetectors based on MoTe2/germanium heterostructure
Wenjie Chen1, Renrong Liang1,*, Shuqin Zhang1, Yu Liu1, Weijun Cheng1, Chuanchuan Sun2, and Jun Xu1,*
1 Tsinghua University, China
2 Beijing Institute of Control Engineering, China
The efficient near-infrared light detection of the MoTe2/germanium (Ge) heterojunction has been demonstrated. The photoresponsivity and specific detectivity can reach to 12,460 A/W and 3.3 × 1012 Jones, respectively. And the photoresponse time is 5 ms. These properties suggest that MoTe2/Ge heterostructure is one of the promising structures for the development of high performance near-infrared photodetectors.
127–132
Scanning tunneling spectroscopic study of monolayer 1T-TaS2 and 1T-TaSe2
Haicheng Lin, Wantong Huang, Kun Zhao, Shuang Qiao, Zheng Liu, Jian Wu, Xi Chen*, and Shuai-Hua Ji*
Tsinghua University, China
The isostructural and isoelectronic transition-metal-dichalcogenides 1T-TaS2 and 1T-TaSe2 monolayers show commensurate charge wave phase at low temperature. 1T-TaS2 monolayer is proved to be a Mott insulator while 1T-TaSe2 monolayer is a regular band insulator.
133–137
Spatial Raman mapping investigation of SERS performance related to localized surface plasmons
Yansheng Liu and Feng Luo*
Ciudad Universitaria de Cantoblanco, Spain
The Ag NPs/SLG/Ag NDs exhibited extremely high surface-enhanced Raman scattering (SERS) performance. The spatial Raman mapping illustrated the larger SERS signal existed in the rim of the Ag NDs.
138–144
Combining scanning tunneling microscope (STM) imaging and local manipulation to probe the high dose oxidation structure of the Si(111)-7×7 surface
Dogan Kaya1,2, Richard J. Cobley3,*, and Richard E. Palmer3
1 Cukurova University, Turkey
2 University of Birmingham, UK
3 Swansea University, UK
Combining scanning tunneling microscope (STM) imaging with local atomic manipulation elucidates the oxidation behavior of the Si(111)-7×7 surface, yielding the primary oxidation pathway.
145–150
Mitigation of voltage decay in Li-rich layered oxides as cathode materials for lithium-ion batteries
Wenhui Hu1, Youxiang Zhang1,2,*, Ling Zan1, and Hengjiang Cong1,*
1 Wuhan University, China
2 Shenzhen Research Institute of Wuhan University, China
A lithium-rich layered oxide with composition of Li1.16Mn0.50Ni0.25Co0.09O2 was synthesized by carbonate co-precipitation method which showed impressively increased initial Coulombic efficiency, cycling stability and average discharge voltages as cathode material for lithium ion batteries.
151–159
GSH-triggered sequential catalysis for tumor imaging and eradication based on star-like Au/Pt enzyme carrier system
Amin Zhang1, Qian Zhang1, Gabriel Alfranca1,2, Shaojun Pan1, Zhicheng Huang1, Jin Cheng1, Qiang Ma3, Jie Song1, Yunxiang Pan1, Jian Ni1, Lijun Ma4,*, and Daxiang Cui1,*
1 Shanghai Jiao Tong University, China
2 CSIC/Universidad de Zaragoza, Spain
3 Xintai People’s Hospital, China
4 Shanghai Jiao Tong University School of Medicine, China
In this work, we have successfully prepared a sequential catalytic platform based on Au/Pt star for tumor theragnostic by using unique tumor microenvironment. Here we demonstrated that our probes simultaneously possessed a GSH-sensitive release, real-time imaging ability, and synergetic cancer starving-like therapy/nanozyme oxidative therapy/photo-thermal therapy (PTT)/photodynamic therapy (PDT) features, which provides a potential strategy for effective tumor theragnostic.
160–172
Molecular imaging of advanced atherosclerotic plaques with folate receptor-targeted 2D nanoprobes
Zhide Guo1, Liu Yang2, Mei Chen1,3, Xuejun Wen1, Huanhuan Liu1, Jingchao Li1, Duo Xu1, Yuanyuan An2, Changrong Shi1, Jindian Li1, Xinhui Su4, Zijing Li1, Ting Liu1, Rongqiang Zhuang1, Nanfeng Zheng1,*, Haibo Zhu2,*, and Xianzhong Zhang1,*
1 Xiamen University, China
2 Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, China
3 Hunan University, China
4 Zhongshan Hospital Affiliated to Xiamen University, China
The macrophage-targeted Pd@Au-PEG-FA offers a versatile nanoplatform for sensitive and specific detection of folate receptor (FR)-positive atherosclerotic plaques through multimodal imaging.
173–182
In situ observation of temperature-dependent atomistic and mesoscale oxidation mechanisms of aluminum nanoparticles
Jing Gao, Jingyuan Yan, Beikai Zhao, Ze Zhang, and Qian Yu*
Zhejiang University, China
In situ environmental transmission electron microscopy testing was applied to investigate the temperature-dependent oxidation process of aluminum nanoparticles from ambient to 600 °C. The oxidation mechanisms were found to be changed with temperature.
183–187
Highly dispersed Co-Mo sulfide nanoparticles on reduced graphene oxide for lithium and sodium ion storage
Yuqing Liao1, Chun Wu2, Yaotang Zhong1, Min Chen1, Luyang Cai1, Huirong Wang1, Xiang Liu1,3,*, Guozhong Cao4,*, and Weishan Li1,*
1 South China Normal University, China
2 Changsha University of Science and Technology, China
3 Nanjing Tech University, China
4 University of Washington, USA
Co3S4/CoMo2S4 nanoparticles highly dispersed on reduced graphene oxide (rGO) exhibit excellent lithium and sodium ion storage performances.
188–195
Highly conductive dodecaborate/MXene composites for high performance supercapacitors
Zhenxing Li1,*, Chang Ma1, Yangyang Wen1, Zhiting Wei1, Xiaofei Xing1, Junmei Chu1, Chengcheng Yu1, Kaili Wang2, and Zhao-Kui Wang2,*
1 China University of Petroleum (Beijing), China
2 Soochow University, China
The surface of MXene was modified by a simple ultrasonic treatment by adding of ammonium ion, and the dodecaborate ion was inserted into the inner surface of MXene by electrostatic adsorption. The dodecaborate ion can act as a 「lubricant」 for ion diffusion between the MXene layers, which significantly improves the ion transfer rate of supercapacitors. The dodecaborate/MXene composites can achieve an extremely high capacitance of 366 F·g−1 at a scan rate of 2 mV·s−1, which is more than eight times higher than the capacitance of MXene (43 F·g−1) at the same scan speed.
196–202
Embedding ultrasmall Ag nanoclusters in Luria-Bertani extract via light irradiation for enhanced antibacterial activity
Ziping Wang1,2, Yushuang Fang1, Xianfeng Zhou1, Zhibo Li1, Haiguang Zhu1, Fanglin Du1, Xun Yuan1,*, Qiaofeng Yao3,*, and Jianping Xie3,*
1 Qingdao University of Science and Technology, China
2 Weifang University of Science and Technology, China
3 National University of Singapore, Singapore
Encapsulating Ag nanoclusters (NCs) inside a sacrificial nano- vehicle (e.g., the extract of Luria-Bertani medium) which is preferably swallowed and digested by the bacteria, can significantly improve the targeting and uptake over the bacteria, boosting the bacterial killing efficacy of Ag NCs.
203–208
FeOOH quantum dots decorated graphene sheet: An efficient electrocatalyst for ambient N2 reduction
Xiaojuan Zhu1,2, Jinxiu Zhao1, Lei Ji1, Tongwei Wu1, Ting Wang1, Shuyan Gao3, Abdulmohsen Ali Alshehri4, Khalid Ahmed Alzahrani4, Yonglan Luo2, Yimo Xiang5, Baozhan Zheng6,*, and Xuping Sun1,*
1 University of Electronic Science and Technology of China, China
2 China West Normal University, China
3 Henan Normal University, China
4 King Abdulaziz University, Saudi Arabia
5 No. 12 Middle School, China
6 Sichuan University, China
FeOOH quantum dots decorated graphene sheet behaves as a high- performance and stable catalyst for ambient electrochemical N2- to-NH3 fixation. In 0.1 M LiClO4, this hybrid achieves a large NH3 yield rate and a high Faradaic efficiency of 27.3 μg·h−1·mgcat.−1 and 14.6% at −0.4 V vs. reversible hydrogen electrode.
209–214
VO2·0.2H2O nanocuboids anchored onto graphene sheets as the cathode material for ultrahigh capacity aqueous zinc ion batteries
Dedong Jia1,*, Kun Zheng1, Ming Song2, Hua Tan3, Aitang Zhang1, Lihua Wang1, Lijun Yue1, Da Li1, Chenwei Li1,*, and Jingquan Liu1,*
1 Qingdao University, China
2 Xuzhou University of Technology, China
3 Nanyang Technological University, Singapore
A hybrid structure containing VO2·0.2H2O nanocuboids anchored on graphene sheets has been synthesized through a facile and efficient microwave-assisted solvothermal method. When used as cathode material for aqueous Zn-ion batteries, it is able to reach 423 mAh·g−1 in specific capacity, and long cycle stability (87% capacity retention after 1,000 cycles under 8 A·g−1) because of the reversible Zn ions de-intercalation and rapid electron transport in the composite.
215–224
Interlayer-expanded MoS2 assemblies for enhanced electrochemical storage of potassium ions
Sijia Di, Pan Ding, Yeyun Wang, Yunling Wu, Jun Deng, Lin Jia, and Yanguang Li*
Soochow University, China
Hierarchical interlayer-expanded MoS2 assemblies supported on carbon nanotubes are prepared via a straightforward solution method. The interlayer expansion lowers the diffusion energy barrier and improves the diffusion kinetics of ions, thereby affording our product with an excellent electrochemical performance for reversible K+ ion storage.
225–230
Room-temperature photodeposition of conformal transition metal based cocatalysts on BiVO4for enhanced photoelectrochemical water splitting
Lu Wang, Tao Zhang, Jinzhan Su*, and Liejin Guo*
Xi』an Jiaotong University, China
A versatile in-situ light-driven two-electrode photodeposition approach is proposed to deposit different transition metal complex on the surface of BiVO4 highly oriented nanocone-arrays. Conformal Co-Pi, Ni-Bi and Mn-Pi complexes were obtained by this photodeposition strategy, leading to enhanced photoelectrochemical performance of these novel BiVO4 nanocone array-based photoanodes.
231–237
Metal-organic frameworks nanoswitch: Toward photo- controllable endo/lysosomal rupture and release for enhanced cancer RNA interference
Gan Lin1,2, Yang Zhang1, Long Zhang1, Junqing Wang1, Ye Tian1, Wen Cai1, Shangui Tang1, Chengchao Chu1, JiaJing Zhou3, Peng Mi4, Xiaoyuan Chen5, and Gang Liu1,*
1 Xiamen University, China
2 The University of Melbourne, Australia
3 Nanyang Technological University, Singapore
4 Sichuan University, China
5 National Institutes of Health, USA
Killing two birds with one stone nanoswitch is presented to simultaneously address endosomal rupture and gene release for enhancing cancer RNA interfering. Upon photoirradiation, the nanoswitch rapidly dissociates into endosomal disrupting agents and gene therapeutics, allowing a spatiotemporal control over gene transfer in targeted sites, along with fluorescence recovery that could be used for real-time monitoring the gene delivery.
238–245
Photodeposition fabrication of hierarchical layered Co-doped Ni oxyhydroxide (NixCo1−xOOH) catalysts with enhanced electrocatalytic performance for oxygen evolution reaction
Liang-ai Huang, Zhishun He, Jianfeng Guo, Shi-en Pei, Haibo Shao, and Jianming Wang*
Zhejiang University, China
We report an original photodeposition strategy for the fabrication of NixCo1−xOOH/TiO2 heterostructure nanosheet arrays with improved electrocatalytic performance for oxygen evolution reaction.
246–254
Self-assembled core-shell polydopamine@MXene with synergistic solar absorption capability for highly efficient solar-to-vapor generation
Xing Zhao, Xiang-Jun Zha, Li-Sheng Tang, Jun-Hong Pu, Kai Ke, Rui-Ying Bao, Zheng-ying Liu, Ming-Bo Yang, and Wei Yang*
Sichuan University, China
The core-shell polydopamine (PDA)@MXene photothermal microspheres with synergistic and stable solar absorption capability as well as adequate water supply are constructed through a simple self-assembly strategy.
255–264
Porous Pt nanoframes decorated with Bi(OH)3 as highly efficient and stable electrocatalyst for ethanol oxidation reaction
Xiaolei Yuan1, Bei Jiang5, Muhan Cao2, Congyang Zhang2, Xiaozhi Liu3,4, Qinghua Zhang3, Fenglei Lyu2, Lin Gu3,4,*, and Qiao Zhang2,*
1 Nantong University, China
2 Soochow University, China
3 Institute of Physics, Chinese Academy of Sciences, China
4 University of Chinese Academy of Sciences, China
5 Sichuan University, China
Porous Pt-Bi(OH)3 nanoframes prepared through a two-step approach show superior catalytic activity and operation durability for ethanol oxidation reaction to commercial Pt/C catalysts in both alkaline and acidic conditions.
265–272
PCN-Fe(III)-PTX nanoparticles for MRI guided high efficiency chemo-photodynamic therapy in pancreatic cancer through alleviating tumor hypoxia
Tao Zhang1, Zhenqi Jiang2,3, Libin Chen4, Chunshu Pan2, Shan Sun2, Chuang Liu2, Zihou Li2, Wenzhi Ren2,5,*, Aiguo Wu2,*, and Pintong Huang1,*
1 The Second Affiliated Hospital of Zhejiang University School of Medicine, China
2 Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, China
3 University of Chinese Academy of Sciences, China
4 Ningbo First Hospital, China
5 Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, China
Porous coordination network-Fe(III)-paclitaxel (PCN-Fe(III)-PTX) nanoparticles (NPs) used as PTX carrier and photosensitizer could effectively regulate tumor hypoxia by continuous decomposition of the endogenous H2O2 and remarkably augment the therapeutic efficiency of chemo-photodynamic combined therapy. Also, these NPs represent an ideal agent for MRI image and can release drug in response to both laser irradiation and pH changes to promote drug accumulation within tumors.
273–281
Synthesis and transformation of zero-dimensional Cs3BiX6 (X = Cl, Br) perovskite-analogue nanocrystals
Hanjun Yang1, Tong Cai1, Exian Liu2, Katie Hills-Kimball1, Jianbo Gao2, and Ou Chen1,*
1 Brown University, USA
2 Clemson University, USA
The synthesis of Cs3BiX6 (X = Cl, Br) nanocrystals opens up opportunities to understanding optical properties and post-synthetic transformations of zero-dimensional lead-free perovskite analogue materials.
282–291
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