Nanomaterial comprises several hundred atoms and molecules, which a lot of complicated and interesting interactions occur in it. Characteristics in nanoscale, such as transmittance, electrical conductivity, thermal conductivity, magnetic, corrosion, and other effects.

Furthermore, nanomaterial manufacturing technology is applied on all kinds of nanomaterial devices, such as photo device, FET, and biosensor, and enhances electronic, optical, and mechanical properties. Most importantly, taking advantage of nanotechnology, the cost of devices will go down with better quality.

This special issue is about novel nanomaterials device and applications and other related fields. This special issue enables interdisciplinary collaboration between material science and engineering technologists in the academic and industrial fields. The paper describes sealed and nonsealed InGaP/InGaAs/Ge triple-junction solar cell in a complex high temperature and high humidity environment and investigated the electrical properties over time. Another paper presents combined two-dimensional-three-dimensional (2D-3D) ensemble Monte Carlo (EMC) model, and the performance of a planar nanochannel device is studied at the terahertz (THz) region. Another paper is on Mo/Si bilayer thin films which were grown by magnetron sputtering and applied to write-once blu-ray disc (BD-R). Another paper studies the ZnS thin films which were prepared on glass substrates by chemical bath deposition at various Zn/S molar ratios from 1/50 to 1/150. Another paper describes low-frequency noise characterizations in 28 nm high-k (HK) pMOSFET with embedded SiGe source/drain (S/D) through noise and random telegraph noise measurements simultaneously. Another paper adopts transparent electrodes of tin dioxide (SnO2) on glasses which were further wet-etched in the diluted HCl : Cr solution to obtain larger surface roughness and better light-scattering characteristic for thin-film solar cell applications.

The paper describes A 20 nm SiOx layer which is deposited using radiofrequency sputtering to form the resistive switching layer of a Cu/SiOx/Pt memory device. Another paper proposes Mg0.1Zn0.9O films which were grown using atomic layer deposition (ALD) system and applied to metal-semiconductor-metal ultraviolet photodetectors (MSM-UPDs) as an active layer. Another paper describes GaN-based flip-chip white light-emitting diodes (FCWLEDs) with diffused ZnO nanorod reflector and with ZnO nanorod antireflection layer which were fabricated. Another paper proposes to use silicon nanoparticles doped poly(3-hexylthiophene) and -phenyl C61-butyric acid methyl ester blends (P3HT : PCBM : Si NP) which have been produced as the photoactive layer of organic photovoltaic devices (OPVs). Another paper of this special issue uses magnesium-nickel (Mg-Ni) powders which are used as the anode materials for secondary lithium (Li) ion batteries.

Ting-Jen  Hsueh
Sheng-Po  Chang
Shyh-Jer  Huang
Chieh-Chih  Huang
Michael  Hu