Results 261 to 270 of about 5,628 (300)

Two-dimensional SnS₂ single crystal for sensitive NO₂ detection at room temperature. [PDF]

Microsyst Nanoeng
Guo C, Liu L, Cai Z, Wang Y, Guan K, Sun F, Zhou W, Gou X, He X, Wang X, Zhang T.   +10 more
europepmc   +1 more source

Textured and Hierarchically Porous Hematite Photoanode for Efficient Hydrogen Production via Photoelectrochemical Hydrazine Oxidation. [PDF]

Nanomicro Lett
Tan R, Jeong YJ, Han HS, Kapse S, Shin SS, Zheng X, Cho IS.   +6 more
europepmc   +1 more source

Bio-inspired interface engineering with sodium caseinate-doped bathocuproine (BCP) for stable and efficient inverted perovskite solar cells. [PDF]

Sci Rep
Al Jaafer HM, Alishah HM, Kahveci C, Tekoglu S, Cobet M, Gencten M, Rodop MC, Choi FPG, Sariciftci NS, Günes S.   +9 more
europepmc   +1 more source

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Greener Synthesis of CZTS: Structural, KPFM studies

Materials Today: Proceedings, 2018
Abstract Copper Zinc Tin sulfide (CZTS) has shown promising performance as an absorber semiconductor for solar cell devices. Due to its multicomponent nature, low cost synthesis method results in presence of secondary phases, which is nagging issue it affects optoelectronic properties.
N. Kumari, D. Varandani, B.R. Mehta
openaire   +1 more source

Surface potential of chalcopyrite films measured by KPFM

Physica Status Solidi (A) Applications and Materials Science, 2006
AbstractAtomic force microscopy is widely used to characterize the surface topography of a variety of samples. Kelvin probe force microscopy (KPFM) additionally allows determining images of the surface potential with nanometer resolution. The KPFM technique will be introduced and studies on surfaces of chalcopyrite semiconductors for solar cell ...
exaly   +3 more sources

In Situ KPFM Imaging of Local Photovoltaic Characteristics of Structured Organic Photovoltaic Devices

ACS Applied Materials & Interfaces, 2014
Here, we discuss the local photovoltaic characteristics of a structured bulk heterojunction, organic photovoltaic devices fabricated with a liquid carbazole, and a fullerene derivative based on analysis by scanning kelvin probe force microscopy (KPFM).
Satoshi Watanabe, Takafumi Sassa
exaly   +3 more sources

Artifacts in KPFM in FM, AM and Heterodyne AM Modes

Key Engineering Materials, 2014
In this paper, the crosstalk in potential measurements caused by the topographic feedback and the resonance frequency in Kelvin probe force microscopy (KPFM) was investigated in frequency modulation (FM), amplitude modulation (AM) and heterodyne amplitude modulation (heterodyne AM) modes.
Zong Min Ma, Ji Liang Mu, Jun Tang, Hui Xue, Huan Zhang, Chen Yang Xue, Jun Liu, Yan Jun Li   +7 more
openaire   +1 more source

Capacitive Crosstalk in AM-Mode KPFM

2011
In Kelvin probe force microscopes based on electrostatic tip excitation, a nonnegligible capacitive crosstalk occurs between the electrostatic probe excitation signal and the probe deflection output signal. In atomic force microscopy setups where a self-oscillation force feedback loop is used, the parasitic coupling may also superpose onto the ...
Diesinger, H., Deresmes, D., Melin, Thierry   +2 more
openaire   +2 more sources

KPFM of Nanostructured Electrochemical Sensors

2018
Integrating sensor arrays with microelectronic devices enables applications such as disease diagnostics and environmental monitoring. The most advanced chemical sensor concepts, compatible with integrated circuits, comprise a semiconductor with a nanostructured sensing area that can be modified to be more selective and sensitive to specific analytes ...
Alex Henning, Yossi Rosenwaks
openaire   +1 more source