Review Articles
Single-atom site catalysts for environmental catalysis
Ningqiang Zhang1, Chenliang Ye1, Han Yan1, Lingcong Li3,*, Hong He2, Dingsheng Wang1,*, and Yadong Li1
1 Tsinghua University, China
2 Beijing University of Technology, China
3 Hokkaido University, Japan
The progress of single-site atom catalysts in application of catalytic elimination of environmental pollutants is summarized and analyzed.
3165–3182
Plasmon-generated hot holes for chemical reactions
Chengyu Zhang, Fucan Jia, Zhuoyao Li, Xiao Huang, and Gang Lu*
Nanjing Tech University, China
This review focuses on the photochemistry driven by the plasmon-generated hot holes. The generation and energy distribution of the plasmon-generated hot carriers, the dynamics of the hot holes are discussed at the interface between plasmonic metal and semiconductor or adsorbed molecules, after which the utilization of these hot holes in redox reactions is reviewed.
3183–3197
Research Articles
Uptake of graphene enhanced the photophosphorylation performed by chloroplasts in rice plants
Kun Lu1, Danlei Shen1, Shipeng Dong1, Chunying Chen2, Sijie Lin3, Shan Lu1, Baoshan Xing4, and Liang Mao1,*
1 Nanjing University, China
2 National Center for Nanoscience and Technology, China
3 Tongji University, China
4 University of Massachusetts, USA
Under light irradiation, the reactive oxygen species (ROS) as by-products of photosynthesis reactions was quenched by graphene, protecting the photosystem II (PS II) against photo-bleaching. Moreover, owing to its superior electrical conductivity, graphene facilitated the electron transfer process of PS II, resulting in obviously improved delayed fluorescence intensity.
3198–3205
Electrochemical conversion of CO2 to syngas with a wide range of CO/H2 ratio over Ni/Fe binary single-atom catalysts
Meng Zhang1, Zheng Hu1, Lin Gu3, Qinghua Zhang3, Linghui Zhang1, Qian Song1, Wei Zhou1, and Shi Hu1,2,*
1 Tianjin University, China
2 Hefei Comprehensive National Science Center, China
3 Institute of Physics, Chinese Academy of Sciences, China
Binary single-atom catalysts of Fe and Ni on nitrogen-doped carbon are fabricated using glucose-chelating method, which exhibits wide-range of controllable CO/H2 ratio depending on the Fe/Ni content. The variation of the product selectivity with composition is justified by density functional theory (DFT) calculation of the reaction barrier in both hydrogen evolution and CO2 reduction reactions.
3206–3211
Using graphene to suppress the selenization of Pt for controllable fabrication of monolayer PtSe2
Zhong-Liu Liu1, Zhi-Li Zhu1, Xu Wu2, Jin-An Shi1, Wu Zhou1, Li-Wei Liu2, Ye-Liang Wang2,1,3,*, and Hong-Jun Gao1,3,*
1 University of Chinese Academy of Sciences, China
2 Beijing Institute of Technology, China
3 CAS Center for Excellence in Topological Quantum Computation, China
By inducing confined conditions with a precoating of graphene, the selenization of Pt(111) can be suppressed to form a Se intercalated layer, instead of a PtSe2 monolayer, which provides an approach for controllable fabrication of PtSe2 in patterns.
3212–3216
In vitro study of enhanced photodynamic cancer cell killing effect by nanometer-thick gold nanosheets
Ziyi Zhang1, Dalong Ni1,2, Fei Wang1, Xin Yin1, Shreya Goel1, Lazarus N. German1, Yizhan Wang1, Jun Li1, Weibo Cai1,2,*, and Xudong Wang1,*
1 University of Wisconsin-Madison, USA
2 University of Wisconsin Carbone Cancer Center, USA
This paper reports the development of a novel two-dimensional (2D) ultrathin gold nanosheet structure that offers superior efficacy for cancer treatment via photodynamic effect.
3217–3223
An in-situ spectroscopy investigation of alkali metal interaction mechanism with the imide functional group
Xu Lian1, Zhirui Ma1, Zhonghan Zhang2, Jinlin Yang1,3, Shuo Sun1, Chengding Gu1, Yuan Liu1,4, Honghe Ding5, Jun Hu5, Xu Cao5, Junfa Zhu5, Shuzhou Li2,*, and Wei Chen1,3,4,*
1 National University of Singapore, Singapore
2 Nanyang Technological University, Singapore
3 National University of Singapore (Suzhou) Research Institute, China
4 International Campus of Tianjin University, China
5 University of Science and Technology of China, China
The chemical insertion of alkali ions in an organic anode material of perylene-3,4,9,10-tetracarboxylic diimide (PTCDI) has been investigated by in-situ X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), synchrotron-based near edge x-ray absorption fine structure (NEXAFS). Both Li and Na follow a hydrogen replacing mechanism upon chemical insertion in PTCDI.
3224–3229
Inorganic/polymer hybrid layer stabilizing anode/electrolyte interfaces in solid-state Li metal batteries
Yiran Hu1,2, Yiren Zhong2, Limin Qi1,*, and Hailiang Wang2,*
1 Peking University, China
2 Yale University, USA
An inorganic/polymer hybrid interlayer composed of a Li+ polymer electrolyte and SiO2 submicrospheres stabilizes the interface between Li metal and Li1.5Al0.5Ge1.5(PO4)3 (LAGP) in all-solid-state batteries.
3230–3234
Giant pattern evolution in third-harmonic generation of strained monolayer WS2 at two-photon excitonic resonance
Jing Liang1, He Ma1, Jinhuan Wang2, Xu Zhou1, Wentao Yu1, Chaojie Ma1, Muhong Wu1, Peng Gao1, Kaihui Liu1,2,*, and Dapeng Yu3
1 Peking University, China
2 Beijing Institute of Technology, China
3 Southern University of Science and Technology, China
The polarization dependence of third-harmonic generation (THG) in strained monolayer WS2 undergoes a giant pattern evolution around two-photon resonance (TPR).
3235–3240
3D RNA nanocage for encapsulation and shielding of hydrophobic biomolecules to improve the in vivo biodistribution
Congcong Xu1, Kaiming Zhang2, Hongran Yin1, Zhefeng Li1, Alexey Krasnoslobodtsev3,4, Zhen Zheng1, Zhouxiang Ji1, Sijin Guo1, Shanshan Li2, Wah Chiu2, and Peixuan Guo1,*
1 The Ohio State University, USA
2 Stanford University, USA
3 University of Nebraska, USA
4 University of Nebraska Medical Center, USA
A three-dimensional (3D) RNA nanocage was developed for encapsulation of hydrophobic biomolecules to improve the in vivo biodistribution.
3241–3247
Intercluster aurophilicity-driven aggregation lighting circularly polarized luminescence of chiral gold clusters
Zhen Han, Xueli Zhao, Peng Peng, Si Li, Chong Zhang, Man Cao, Kai Li, Zhao-Yang Wang*, and Shuang-Quan Zang*
Zhengzhou University, China
Inter-cluster Au–Au interactions drove the aggregation of chiral gold clusters and produced circularly polarized luminescence with photoluminescence quantum yield of 41.4% and dissymmetry factor |gPL| of 7.0 × 10–3, enabling the fabrication of the first pair of circularly polarized organic light-emitting diodes (OLEDs).
3248–3252
Spatiotemporal regulation of ubiquitin-mediated protein degradation via upconversion optogenetic nanosystem
Yafeng Hao1, Taofeng Du2, Gaoju Pang1, Jiahua Li1, Huizhuo Pan1, Yingying Zhang1, Lizhen Wang2, Jin Chang1, En-min Zhou2,*, and Hanjie Wang1,*
1 Tianjin University, China
2 Northwest A&F University, China
Upconversion optogenetic nanosystem spatiotemporally regulates ubiquitin-mediated target protein degradation.
3253–3260
Water-soluble boron carbon oxynitride dots with excellent solid-state fluorescence and ultralong room-temperature phosphorescence
Shenghui Han1, Gang Lian1,*, Xiaoliang Zeng2, Zhaozhen Cao1, Qilong Wang1, Deliang Cui1, and Ching-Ping Wong3,*
1 Shandong University, China
2 Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, China
3 Georgia Institute of Technology, USA
Water-soluble boron carbon oxynitride (BCNO) dots, displaying superior blue fluorescence and ultralong green room temperature phosphorescence (> 1.5 s), were first synthesized by a one-step microwave approach. Its potential applications, as a novel advanced security ink, in anti-counterfeiting, information encryption and fluorescent staining are demonstrated.
3261–3267
Dual activated NIR-II fluorescence and photoacoustic imaging-guided cancer chemo-radiotherapy using hybrid plasmonicfluorescent assemblies
Tao Chen, Lichao Su, Xiaoguang Ge, Wenmin Zhang, Qingqing Li, Xuan Zhang, Jiamin Ye, Lisen Lin, Jibin Song*, and Huanghao Yang*
Fuzhou University, China
In summary, we reported a novel plasmonic-fluorescent hybrid nanogapped gold nanorod (AuNNR)-down-conversion nanoparticles (DCNP) vesicle with pH responsive bimodal second near-infrared window (NIR-II) photoacoustic/fluorescence (PA/FL) imaging performances for guiding cancer chemo-radiotherapy. In an acidic environment, the vesicles were disassembled into single AuNNR and DCNP, leading to localized DOX release and responsive variation of NIR-II PA and FL signals. The hybrid vesicle served as a smart theranostic agent for accurate cancer chemo-raditherapy-guided by dual NIR-II PA and FL imaging.
3268–3277
The origin of gate bias stress instability and hysteresis in monolayer WS2 transistors
Changyong Lan1, Xiaolin Kang2, You Meng2, Renjie Wei2, Xiuming Bu2, SenPo Yip2, and Johnny C. Ho2,3,*
1 University of Electronic Science and Technology of China, China
2 City University of Hong Kong, Hongkong, China
3 Zhengzhou University, China
The origin of gate bias stress instability and hysteresis in monolayer WS2 transistors are carefully investigated, where charge trapping is identified to induce the time decay characteristic of output current, contributing to the instability and hysteresis phenomena. A rate equation, considering the time decay effect, is proposed and developed to model the bias stress instability and hysteresis with excellent consistency with experimental results, validating the model and providing the further insights for charge trapping induced effects for transistors.
3278–3285
Fabrication and manipulation of nanosized graphene homojunction with atomically-controlled boundaries
Hui Chen, De-Liang Bao, Dongfei Wang, Yande Que, Wende Xiao, Yu-Yang Zhang, Jiatao Sun, Shixuan Du*, and Hong-Jun Gao*
University of Chinese Academy of Sciences, China
Controlling the atomic configurations of structural defects in graphene nanostructures is crucial for achieving desired functionalities. Here, we report the controlled fabrication and manipulation of nanosized graphene homojunction with 5-7-5-7 GBs.
3286–3291
Unconventional dual-vacancies in nickel diselenide-graphene nanocomposite for high-efficiency oxygen evolution catalysis
Pengkun Wei1, Zewei Hao1, Yang Yang1, Mingyang Liu1,2,*, Haijun Zhang3,*, Min-Rui Gao4,*, and Shu-Hong Yu4,*
1 Nankai University, China
2 Rice University, USA
3 Civil Aviation University of China, China
4 University of Science and Technology of China, China
A new kind of hollow NiSe2/reduced graphene oxide (RGO) composite catalyst with unconventional dual Ni-Se vacancies can be prepared by annealing Ni0.85Se/RGO at 400 and 450 °C under an inert atmosphere, which exhibits excellent activity and stability for catalyzing the oxygen evolution reaction.
3292–3298
Nickel foam supported Cr-doped NiCo2O4/FeOOH nanoneedle arrays as a high-performance bifunctional electrocatalyst for overall water splitting
Tengyi Liu and Peng Diao*
Beihang University, China
Nickel foam supported Cr-doped NiCo2O4/FeOOH nanoneedle arrays act as a highly efficient bifunctional electrocatalyst for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). The high activity mainly originates from Cr-doping, which greatly improves the conductivity of nanoneedles and enables the non-connected active sites to be electrochemically accessible.
3299–3309
Enhancement of oxygen reduction reaction activity by grain boundaries in platinum nanostructures
Enbo Zhu1,2, Wang Xue1, Shiyi Wang3, Xucheng Yan1, Jingxuan Zhou1, Yang Liu1, Jin Cai1, Ershuai Liu4, Qingying Jia4, Xiangfeng Duan1, Yujing Li2, Hendrik Heinz3,*, and Yu Huang1,*
1 University of California, Los Angeles, USA
2 Beijing Institute of Technology, China
3 University of Colorado Boulder, USA
4 Northeastern University, USA
Increasing grain boundary density remarkably enhances oxygen reduction reaction (ORR) activity by favoring the residence of oxygen on the Pt catalyst surface.
3310–3314
Defect engineering on carbon black for accelerated Li–S chemistry
Wenlong Cai1, Yingze Song2,*, Yuting Fang1, Weiwei Wang1, Songlin Yu2, Huaisheng Ao1, Yongchun Zhu1,*, and Yitai Qian1
1 University of Science and Technology of China, China
2 Southwest University of Science and Technology, China
The as-devised defect-rich carbon black by rationally regulated defect engineering can serve as an active electrocatalyst to enable the polysulfide conversion and thus boost the electrochemical performances of Li–S batteries.
3315–3320
Noble-metal-free catalyst with enhanced hydrogen evolution reaction activity based on granulated Co-doped Ni-Mo phosphide nanorod arrays
Heping Xie1,2,*, Cheng Lan1,2, Bin Chen2, Fuhuan Wang1,2, and Tao Liu1
1 Sichuan University, China
2 Shenzhen University, China
Co-doped Ni-Mo phosphide nanorod arrays on porous Ni foam were fabricated by phosphorization and shown to be an efficient binder-free electrocatalyst for water splitting.
3321–3329
Tuning crystal structure and redox potential of NASICON-type cathodes for sodium-ion batteries
Xuemei Ma1, Xinxin Cao1,*, Yifan Zhou1, Shan Guo1, Xiaodong Shi1, Guozhao Fang1, Anqiang Pan1, Bingan Lu2, Jiang Zhou1,*, and Shuquan Liang1,*
1 Central South University, China
2 Hunan University, China
We elucidate the effects of manganese ions infusing on the crystallographic structure and electrochemical behavior of NASICON-structured Na3+xMnxV2−x(PO4)3 (0 ≤ x ≤ 1) cathodes. The optimized structure of Na3.5Mn0.5V1.5(PO4)3/C with favorable operating voltage and high ionic diffusion capability, delivers high-rate capacity and long cycling stability, even under high-areal-loading and all-climate temperature conditions.
3330–3337
Enzyme-amplified SERS immunoassay with Ag-Au bimetallic SERS hot spots
Xuan-Hung Pham1, Eunil Hahm1, Tae Han Kim1, Hyung-Mo Kim1, Sang Hun Lee1, Sang Chul Lee2, Homan Kang3, Ho-Young Lee2, Dae Hong Jeong2, Hak Soo Choi3,*, and Bong-Hyun Jun1,*
1 Konkuk University, Republic of Korea
2 Seoul National University, Republic of Korea
3 Massachusetts General Hospital and Harvard Medical School, USA
Surface-enhanced Raman scattering (SERS) enables rapid detection of single molecules with high specificity. The plasmonic SERS immunoassay for IgG detection showed a high linearity of SERS intensity in the range of 0.6 to 9.0 ng/mL with a detection limit (LOD) of 0.09 ng/mL, while an LOD of 0.006 ng/mL was obtained for prostate-specific antigen (PSA).
3338–3346
An ultrasound-triggered cation chelation and reassembly route to one-dimensional Ni-rich cathode material enabling fast charging and stable cycling of Li-ion batteries
Yongjian Lai, Zhaojie Li, Wenxia Zhao, Xiaoning Cheng, Shuo Xu, Xiao Yu, and Yong Liu*
Sun Yat-sen University, China
An ultrasound-triggered ultrafast cation chelation process was developed to produce LiNi0.6Mn0.2Co0.2O2 precursor, and the whole synthesis time is only 20 min. The fabricated cathodes achieve long cycling stability (95.1% and 82.4% capacity retention for 100 and 1,000 cycles, respectively) and enable 76 s fast charging at an extremely high rate of 20 C.
3347–3357
Room temperature ferromagnetism in ultra-thin van der Waals crystals of 1T-CrTe2
Xingdan Sun1,2, Wanying Li1,2, Xiao Wang3,4,5, Qi Sui6, Tongyao Zhang7, Zhi Wang1,2, Long Liu1,2, Da Li1,2, Shun Feng1,2,10, Siyu Zhong8, Hanwen Wang1,2, Vincent Bouchiat9, Manuel Nunez Regueiro9, Nicolas Rougemaille9, Johann Coraux9, Anike Purbawati9, Abdellali Hadj-Azzem9, Zhenhua Wang1,2, Baojuan Dong7, Xing Wu8, Teng Yang1,2,*, Guoqiang Yu3,4,5,*, Bingwu Wang6,*, Zheng Han1,2,7,*, Xiufeng Han3,4,5, and Zhidong Zhang1,2
1 Institute of Metal Research, Chinese Academy of Sciences, China
2 University of Science and Technology of China, China
3 Institute of Physics, Chinese Academy of Sciences, China
4 University of Chinese Academy of Sciences, China
5 Songshan Lake Materials Laboratory, China
6 Peking University, China
7 Shanxi University, China
8 East China Normal University, China
9 University Grenoble Alpes, France
10 ShanghaiTech University, China
In this work, we revealed that ferromagnetism can hold above 300 K in a metallic phase of 1T-CrTe2 down to the few-layer limit. An in-plane room-temperature negative anisotropic magnetoresistance (AMR) was obtained in ultra-thin CrTe2 devices, with a sign change in the AMR at lower temperature, with −0.6% and +5% at 300 and 10 K, respectively.
3358–3363
Multifunctional shape-dependent plasmonic nanoprobe by enzymatic etching of single gold triangular nanoplate
Ning Feng1, Jingjing Shen1, Yu Chen1, Chang Li1, Yanling Hu1,2, Lei Zhang1,*, Shufen Chen1, Quli Fan1, Wei Huang1,3, and Lianhui Wang1,*
1 Nanjing University of Posts and Telecommunications, China
2 Nanjing Polytechnic Institute, China
3 Northwestern Polytechnical University (NPU), China
Based on the enzymatic activity of horseradish peroxidase (HRP) which could induce the gradual oxidation of gold triangular nanoprisms in the presence of H2O2 and HBr as gold complexing agents, we developed a multifunctional shape-dependent plasmonic nanoprobe for detecting H2O2 and realized morphology-based logic operations and write-once plasmonic memories.
3364–3370
Self-assembly of colloidal polymers from two-patch silica nanoparticles
Weiya Li, Bin Liu, Céline Hubert, Adeline Perro, Etienne Duguet, and Serge Ravaine*
Univ. Bordeaux, France
We demonstrate that two-patch silica nanoparticles are able to self-assemble side-by-side to form colloidal polymers. The colloidal chains can be assembled together to form block copolymer analogues or branched through the introduction of three-patch nanoparticles, offering a route to two-dimensional (2D) superstructures of high complexity.
3371–3376
Core–satellite metal–organic framework@upconversion nanoparticle superstructures via electrostatic self-assembly for efficient photodynamic theranostics
Zhike Li1, Xi Qiao1, Guihua He1, Xin Sun1, Danhua Feng1, Liefeng Hu1, Hua Xu2, Hai-Bing Xu3, Shengqian Ma4,*, and Jian Tian1,*
1 Wuhan University, China
2 Southeast University, China
3 Hubei University, China
4 University of North Texas, USA
Core–satellite metal–organic framework@upconversion nanoparticle superstructures are fabricated via a facile electrostatic self-assembly strategy. The resultant superstructures realize high co-loading capacity of dual photosensitizers and efficient photodynamic theranostics under 808 nm near-infrared light irradiation.
3377–3386
Water triggered interfacial synthesis of highly luminescent CsPbX3:Mn2+ quantum dots from nonluminescent quantum dots
Jiejun Ren, Xiaopeng Zhou, and Yuhua Wang*
Lanzhou University, China
A facile post-treatment doping method is proposed, which enables the preparation of highly luminescent low-toxic CsPbX3:Mn2+ quantum dots from nonluminescent Cs4PbX6 quantum dots at water interface.
3387–3395
Competing magnetic states in silicene and germanene 2D ferromagnets
Dmitry V. Averyanov1, Ivan S. Sokolov1, Mikhail S. Platunov2,†, Fabrice Wilhelm2, Andrei Rogalev2, Pierluigi Gargiani3, Manuel Valvidares3, Nicolas Jaouen4, Oleg E. Parfenov1, Alexander N. Taldenkov1, Igor A. Karateev1, Andrey M. Tokmachev1, and Vyacheslav G. Storchak1,*
1 National Research Center, Russia
2 ESRF-The European Synchrotron, France
3 ALBA Synchrotron Light Source, Spain
4 Synchrotron SOLEIL, France
† Present address: Federal Research Center, Russia
Element-selective X-ray magnetic circular dichroism (XMCD) study probes the coexistence of ferromagnetism and antiferromagnetism in two-dimensional (2D) silicene and germanene coupled with rare-earths. It determines the layer-dependent evolution of magnetism with applied magnetic field, magnetic polarization of the Xene backbone, spin, and angular contributions to the magnetic moments.
3396–3402
Photoacoustic–immune therapy with a multi-purpose black phosphorus-based nanoparticle
Fanchu Zeng, Huan Qin*, Liming Liu, Haocai Chang, Qun Chen, Linghua Wu, Le Zhang, Zhujun Wu, and Da Xing*
South China Normal University, China
Dual targeting potency of BP/TPP/RGD/R848 nanoparticle can achieve precise eradication of the primary tumor without damage to normal tissue. Photoacoustic (PA) therapy that combines with checkpoint-blockade immunotherapy can stimulate a strong anti-tumor immune response, achieve inhibit metastases, and prevent tumor relapses.
3403–3415
Sub-gap defect density characterization of molybdenum oxide: An annealing study for solar cell applications
Daniele Scirè1,2,*, Paul Procel2, Antonino Gulino3, Olindo Isabella2, Miro Zeman2, and Isodiana Crupi1
1 University of Palermo, Italy
2 Delft University of Technology, The Netherlands
3 University of Catania, Italy
We report a method to extract the defect density through optoelectrical measures taking into account the presence of small polaron. Such characterization is crucial for the optimization of solar cells implementing molybdenum oxide as hole selective contact.
3416–3424
Carbon nanodots: A new precursor to achieve reactive nanoporous HOPG surfaces
Cristina Gutiérrez-Sánchez*, Emiliano Martínez-Periñán, Carlos Busó-Rogero, Mónica Revenga-Parra, Félix Pariente, and Encarnación Lorenzo*
Universidad Autónoma de Madrid, Spain
A new method for preparing nanoporous highly oriented pyrolytic graphite (HOPG) surfaces has been developed. Carbon nanodot (CND) combined with the electrochemical etching treatment is responsible for generating nanopores on the HOPG surface.
3425–3432
Suspended superconducting weak links from aerosol-synthesized single-walled carbon nanotubes
Jukka-Pekka Kaikkonen*, Abhilash Thanniyil Sebastian, Patrik Laiho, Nan Wei, Marco Will, Yongping Liao, Esko I. Kauppinen, and Pertti J. Hakonen*
Aalto University, Finland
Suspended superconducting weak links were fabricated by thermophoretic deposition of aerosol-synthesized single-walled carbon nanotubes on top of prefabricated superconducting electrodes. Transparent contacts to nanotubes were produced by vacuum-annealing and the resulting individual carbon nanotubes, suspended over molybdenum-rhenium electrodes, sustained proximity-induced supercurrents up to 53 nA.
3433–3438
Oxygen-induced controllable p-type doping in 2D semiconductor transition metal dichalcogenides
Qijie Liang1,2, Jian Gou2, Arramel2, Qian Zhang2,*, Wenjing Zhang1,*, and Andrew Thye Shen Wee2,*
1 Shenzhen University, China
2 National University of Singapore, Singapore
Controllable hole doping is achieved by oxygen interaction in pentagonal and hexagonal two-dimensional (2D) transition metal dichalcogenides (TMDs) with three dominated mechanisms in five few-layered TMDs (MoTe2, PdSe2, MoSe2, WSe2 and PtSe2), which is investigated by combined scanning tunneling microscopy (STM), electrical transport, atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS).
3439–3444
Non-volatile programmable homogeneous lateral MoTe2 junction for multi-bit flash memory and high-performance optoelectronics
Enxiu Wu*, Yuan Xie, Shijie Wang, Daihua Zhang, Xiaodong Hu*, and Jing Liu*
Tianjin University, China
A non-volatile opto-electrical doping approach with spatial resolution is developed, which enables 3-bit flash memory and various programmable homojunctions based on the same MoTe2/BN heterostructure.
3445–3451
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