Results 11 to 20 of about 1,579,291 (325)

Porous Silicon Optical Devices: Recent Advances in Biosensing Applications

open access: yesItalian National Conference on Sensors, 2021
This review summarizes the leading advancements in porous silicon (PSi) optical-biosensors, achieved over the past five years. The cost-effective fabrication process, the high internal surface area, the tunable pore size, and the photonic properties made
R. Moretta   +3 more
semanticscholar   +1 more source

Progress in Preparation and Properties of Porous Silicon Nitride Ceramics [PDF]

open access: yesSilicon, 2023
Porous silicon nitride ceramics is a promising functional ceramic material. In recent years, the research on the preparation of porous silicon nitride ceramics within different methods has been widely investigated.
Zha H   +9 more
europepmc   +2 more sources

Tin dioxide sol-gel derived thin films deposited on porous silicon [PDF]

open access: yes, 1996
Undoped and Sb-doped SnO2 sol¿gel derived thin films have been prepared for the first time from tin (IV) ethoxide precursor and SbCl3 in order to be utilised for gas sensing applications where porous silicon is used as a substrate.
Berg, A. van den   +8 more
core   +10 more sources

Hierarchical porous silicon structures with extraordinary mechanical strength as high-performance lithium-ion battery anodes

open access: yesNature Communications, 2020
Porous structured silicon has been regarded as a promising candidate to overcome pulverization of silicon-based anodes. However, poor mechanical strength of these porous particles has limited their volumetric energy density towards practical applications.
Haiping Jia   +14 more
semanticscholar   +1 more source

Enhancing the specific capacitance of a porous silicon-based capacitor by embedding graphene combined with three-dimensional electrochemical etching

open access: yesElectrochemistry Communications, 2023
A porous silicon-based capacitive structure with high specific capacitance is fabricated by three-dimensional electrochemical etching. As well as conventional planar electrochemical etching in two dimensions on the surface of a silicon chip, the lateral ...
Jia-Chuan Lin   +4 more
doaj   +1 more source

Preparation and Characterization Study of Porous Silicon Doped with Cu and Ag [PDF]

open access: yesEngineering and Technology Journal, 2017
In this paper, porous silicon was prepared by using electrochemical etching technique of p-type silicon acceptor, with a resistivity of 1.5-4Ohm.cm, using hydrochloric acid with concentration of 24%. The etching current density effect 4, 12, 20mA/cm2 was
U. M. Nayef   +2 more
doaj   +1 more source

Structural,Morphology and PL Properties of ZnO Film Deposition on Porous Silicon [PDF]

open access: yesEngineering and Technology Journal, 2014
ZnO thin film was deposited on glass and porous silicon by spray pyrolysis technology with fixed parameters consist (substrate temperature 400Co, deposition rate 100nm/min), and the measurements of structural (XRD), morphology (AFM) and photoluminesces ...
Uday Muhsin Nayef   +1 more
doaj   +1 more source

The Photoluminescence Characteristics of Partially and Fully (P-N) Porous Silicon [PDF]

open access: yesEngineering and Technology Journal, 2013
In this work, we present results of photoluminescence (PL) properties of fully (p-n) porous silicon device. Porous silicon layer has been prepared by Photo-electrochemical etching under different etching time of abrupt (p-n) silicon junction.
Alwan M. Alwan, Muna. S. M. Jawad
doaj   +1 more source

Characterization of Er in porous Si [PDF]

open access: yes, 2012
The fabrication of porous Si-based Er-doped light emitting devices is a very promising developing field for all-silicon light emitters. However, while luminescence of Er-doped porous silicon devices has been demonstrated, very little attention has been ...
FALQUI, ANDREA   +4 more
core   +3 more sources

Porous structures based on silicon carbide for photovoltaic cells

open access: yesФизика волновых процессов и радиотехнические системы, 2019
A method for producing porous silicon carbide by carbonization of porous silicon is considered. The surface morphology and phase composition of porous silicon carbide layers obtained by diffusion of carbon from the gas phase into the porous silicon layer
D.Y. Golubeva   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy