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Tunable graphene micro-emitters with fast temporal response and controllable electron emission

, Beijing 100871, ChinaGongtao Wu, Xianlong Wei, Song Gao, Qing Chen & Lianmao Peng AuthorsSearch for Gongtao Wu in:Nature Research journals • PubMed • Google ScholarSearch for Xianlong Wei in:Nature Research ... journals • PubMed • Google ScholarSearch for Song Gao in:Nature Research journals • PubMed • Google ScholarSearch for Qing Chen in:Nature Research journals • PubMed • Google ScholarSearch for Lianmao Peng

Dimensionality-dependent charge transport in close-packed nanoparticle arrays: from 2D to 3D

AffiliationsKey Laboratory for the Physics and Chemistry of Nanodevices, Department of Electronics, Peking University, Beijing 100871, ChinaYing Wang, Chao Duan, Lianmao Peng & Jianhui LiaoAcademy for Advanced ... • Google ScholarSearch for Lianmao Peng in:Nature Research journals • PubMed • Google ScholarSearch for Jianhui Liao in:Nature Research journals • PubMed • Google Scholar Contributions Y.W. and J.L. designed

Graphene-based ambipolar electronics for radio frequency applications

Graphene is considered as a promising material to construct field-effect transistors (FETs) for high frequency electronic applications due to its unique structure and properties, mainly including extremely high carrier mobility and saturation velocity, the ultimate thinnest body and stability. Through continuously scaling down the gate length and optimizing the structure, the cut...

Doping-free carbon nanotube optoelectronic devices

Semiconducting carbon nanotubes (CNTs) possess outstanding electrical and optical properties because of their special one-dimensional (1D) structure. CNTs are direct bandgap materials, which makes them ideal for use in optoelectronic devices, e.g. light emitters and light detectors. Excitons determine their light absorption and light emission processes due to the strong Coulomb...

High-performance doping-free carbon-nanotube-based CMOS devices and integrated circuits

Ballistic n-type carbon nanotube (CNT)-based field-effect transistors (FETs) have been fabricated by contacting semiconducting single-walled CNTs (SWCNTs) using Sc or Y. The n-type CNT FETs were pushed to their performance limits through further optimizing their gate structure and insulator. The CNT FETs outperformed n-type Si metal-oxide-semiconductor (MOS) FETs with the same...

High-mobility graphene on liquid p-block elements by ultra-low-loss CVD growth

ScholarSearch for Sheng Wang in:Nature Research journals • PubMed • Google ScholarSearch for Lianmao Peng in:Nature Research journals • PubMed • Google ScholarSearch for Jürgen Eckert in:Nature Research journals

Helicity-dependent single-walled carbon nanotube alignment on graphite for helical angle and handedness recognition

Aligned single-walled carbon nanotube arrays provide a great potential for the carbon-based nanodevices and circuit integration. Aligning single-walled carbon nanotubes with selected helicities and identifying their helical structures remain a daunting issue. The widely used gas-directed and surface-directed growth modes generally suffer the drawbacks of mixed and unknown...