Volume 10

Issue 06,2017

(31 articles)


Jongyeol Baek1,§, Demin Yin2,§, Na Liu1,§, Inturu Omkaram1, Chulseung Jung1, Healin Im1, Seongin Hong1, Seung Min Kim3, Young Ki Hong1, Jaehyun Hur4 (*), Youngki Yoon2 (*), and Sunkook Kim1 (*)

A highly sensitive chemical vapor deposited multilayer MoSe2 field-effect transistor (FET) for a NO2 gas sensor is demonstrated. The sensor exhibits ultra-high sensitivity, real-time response, and fast on–off switching. Device modeling and quantum transport simulations reveal that the variation of gap states in the MoSe2 with NO2 concentration is the key mechanism in MoSe2 FET-based NO2 gas sensors.
2017, 10(6): 1861–1871

Zhenhua Wang1,2, Mingze Li1,2, Liang Yang1,2, Zhidong Zhang1,2 (*), and Xuan P. A. Gao3 (*)

Synthesis of a thin film of topological insulator Bi2Te3 and the schematic of the fabricated n-Bi2Te3/p-Si photodetector device are demonstrated. The photovoltaic effect under light illumination is illustrated by measuring the I-V characteristics.
2017, 10(6): 1872–1879

Yujie Liu, Yuanda Liu, Shuchao Qin, Yongbing Xu, Rong Zhang, and Fengqiu Wang (*)

A flexible photodetector is fabricated based on graphene-carbon nanotube hybrid films with high photosensitivity in the visible range. The device remains stable under severe bending conditions and cyclic bending tests.
2017, 10(6): 1880–1887

Shaofang Fu1, Chengzhou Zhu1, Junhua Song1, Mark H. Engelhard2, Xiaolin Li3, Peina Zhang4, Haibing Xia4, Dan Du1, and Yuehe Lin1,2 (*)

Te@N,S-codoped carbon nanowire (NS-CNW) hydrogels were synthesized via hydrothermal treatment and subsequent thermal annealing, and they showed enhanced catalytic performance for the oxygen reduction reaction.
2017, 10(6): 1888–1895

Dongqi Li1, Yang Wei1 (*), Jin Zhang1, Jiangtao Wang1, Yinghong Lin3, Peng Liu1, Shoushan Fan1,2, and Kaili Jiang1,2 (*)

By modulating surface charge, scanning electron microscopy (SEM) can directly discriminate between semiconducting and metallic single-walled carbon nanotube (SWCNTs) based on their black and white colors with a spatial resolution of ~9 nm.
2017, 10(6): 1896–1902

Keyan Bao1,2,§, Wutao Mao1,§, Guangyin Liu1, Liqun Ye1, Haiquan Xie1, Shufang Ji2, Dingsheng Wang2, Chen Chen2 (*), and Yadong Li2

With the merits of two-dimensional (2D) nanomaterials, O-vacancies, and carbon doping, the WO3−x/C ultrathin 2D nanomaterial is expected to exhibit excellent electrochemical performance. Here, ultrathin WO3−x/C nanosheets were prepared that showed good electrochemical performance, with an initial discharge capacity of 1,866 mA·h·g−1 at a current density of 200 mA·g−1.
2017, 10(6): 1903–1911

Murtaza Hasan1, Wenlong Yang1, Yanmin Ju1, Xin Chu1, Yun Wang2, Yulin Deng2, Nasir Mahmood1, and Yanglong Hou1 (*)

A novel approach was designed to determine the biocompatibility of Fe2C nanoparticles (NPs) and detect metal ion signaling biomarker proteins via high performance liquid chromatography/electrospray ionization with ion trap mass analyzer (HPLC/ESI-Orbitrap) and 18O labeling techniques.
2017, 10(6): 1912–1923

Ye Tian1,2,5, Lida Pan3,4, Chuan Fei Guo6, and Qian Liu1 (*)

O-doping to Bi2S3 is found to be the origin-inducing memristance at the interface between F-doped SnO2 (FTO) and Bi2S3 nanonetworks (BSNN).
2017, 10(6): 1924–1931

Ruta Grinyte, Javier Barroso, Laura Saa, and Valeri Pavlov (*)

Enzymatically produced hydrogen peroxide oxidizes cysteine and modulates the growth of quantum dots. This system enables the quantification of glucose oxidase and glucose in human serum using fluorescence spectroscopy and photoelectrochemical analysis.
2017, 10(6): 1932–1941

Hamid Reza Barzegar1,2,3,4,§, Aiming Yan1,3,4,§, Sinisa Coh1,3,, Eduardo Gracia-Espino2, Claudia Ojeda- Aristizabal1,3,, Gabriel Dunn1,3,4, Marvin L. Cohen1,3, Steven G. Louie1,3, Thomas Wgberg2, and Alex Zettl1,3,4 (*)

We study the collapse and subsequent spontaneous twisting of a carbon nanotube in vacuum by in situ transmission electron microscopy. Combined with a theoretical analysis, the results reveal that the twisting of a collapsed carbon nanotube is caused by compressive strain.
2017, 10(6): 1942–1949