TY - JOUR
T1 - Boron-Doped Nanocrystalline Diamond-Carbon Nanospike Hybrid Electron Emission Source
AU - Sankaran, Kamatchi Jothiramalingam
AU - Ficek, Mateusz
AU - Panda, Kalpataru
AU - Yeh, Chien Jui
AU - Sawczak, Miroslaw
AU - Ryl, Jacek
AU - Leou, Keh Chyang
AU - Park, Jeong Young
AU - Lin, I. Nan
AU - Bogdanowicz, Robert
AU - Haenen, Ken
N1 - Publisher Copyright:
Copyright © 2019 American Chemical Society.
PY - 2019/12/26
Y1 - 2019/12/26
N2 - Electron emission signifies an important mechanism facilitating the enlargement of devices that have modernized large parts of science and technology. Today, the search for innovative electron emission devices for imaging, sensing, electronics, and high-energy physics continues. Integrating two materials with dissimilar electronic properties into a hybrid material is an extremely sought-after synergistic approach, envisioning a superior field electron emission (FEE) material. An innovation is described regarding the fabrication of a nanostructured carbon hybrid, resulting from the one-step growth of boron-doped nanocrystalline diamond (BNCD) and carbon nanospikes (CNSs) by a microwave plasma-enhanced chemical vapor deposition technique. Spectroscopic and microscopic tools are used to investigate the morphological, bonding, and microstructural characteristics related to the growth mechanism of these hybrids. Utilizing the benefits of both the sharp edges of the CNSs and the high stability of BNCD, promising FEE performance with a lower turn-on field of 1.3 V/μm, a higher field enhancement factor of 6780, and a stable FEE current stability lasting for 780 min is obtained. The microplasma devices utilizing these hybrids as a cathode illustrate a superior plasma illumination behavior. Such hybrid carbon nanostructures, with superb electron emission characteristics, can encourage the enlargement of several electron emission device technologies.
AB - Electron emission signifies an important mechanism facilitating the enlargement of devices that have modernized large parts of science and technology. Today, the search for innovative electron emission devices for imaging, sensing, electronics, and high-energy physics continues. Integrating two materials with dissimilar electronic properties into a hybrid material is an extremely sought-after synergistic approach, envisioning a superior field electron emission (FEE) material. An innovation is described regarding the fabrication of a nanostructured carbon hybrid, resulting from the one-step growth of boron-doped nanocrystalline diamond (BNCD) and carbon nanospikes (CNSs) by a microwave plasma-enhanced chemical vapor deposition technique. Spectroscopic and microscopic tools are used to investigate the morphological, bonding, and microstructural characteristics related to the growth mechanism of these hybrids. Utilizing the benefits of both the sharp edges of the CNSs and the high stability of BNCD, promising FEE performance with a lower turn-on field of 1.3 V/μm, a higher field enhancement factor of 6780, and a stable FEE current stability lasting for 780 min is obtained. The microplasma devices utilizing these hybrids as a cathode illustrate a superior plasma illumination behavior. Such hybrid carbon nanostructures, with superb electron emission characteristics, can encourage the enlargement of several electron emission device technologies.
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U2 - 10.1021/acsami.9b17942
DO - 10.1021/acsami.9b17942
M3 - Article
C2 - 31794182
AN - SCOPUS:85076818290
SN - 1944-8244
VL - 11
SP - 48612
EP - 48623
JO - ACS Applied Materials and Interfaces
JF - ACS Applied Materials and Interfaces
IS - 51
ER -