Marcos Andrade Email & Phone Number

Seattle, Wa, Us

Redmond, Washington, United States

Bothell, Washington, United States

Manufacturing actuator and developing processes for microfabrication: photolithography; dry and wet etching on semiconductor wafer materials; metal sputtering on semiconductor wafer materials; lift-off processes; thin film deposition and etc.

São Carlos, São Paulo

- Designed and developed chalcogenides (kesterite and chalcopyrite) photocathodes for photoelectrochemical hydrogen generation from water splitting;- Developed a strategy to electrodeposit molybdenum sulfide thin films on chalcogenide photocathode as a Pt-free cocatalyst ( publication of 1 minireview and cover on ChemSusChem). -Electrodeposition of niquel-molybdenum and niquel-cobalt alloys on chalcogenide films applied as cocatalyst for hydrogen production from water splitting;- Development of efficient chalcogenide photocathodes on transparent substrates;- Supervision of 2 undergraduate students research on hydrogen generation from water splitting.

Seattle, Washington, United States

-Synthesized inks for double cation substituted kesterite, Cu2ZnSn(S,Se)4, film deposition, and applied them as absorber layers in kesterite solar cells with improved open-circuit voltage;- Upscaled the kesterite film deposition (from 1"x1" substrates to 2"x2" substrates)- Determined kesterite films compositions using glow-discharge optical emission spectroscopy;- Deposition of ZnO/ITO layers by RF-sputtering to fabricate solar cells; experience in cleaning room and vacuum-based methods;- Characterization of thin films by XRD, Raman spectroscopy, SEM/EDX (surface analysis and cross-section);- Solar cell characterization by J-V and EQE;- Application of absolute intensity photoluminescence to determine bandgap and estimate quasi-Fermi level splitting in kesterite thin films.

São Carlos E Região, Brasil

Postdoctoral researcher at Prof Mascaro group. The research aimed to study wide-bandgap chalcogenide semiconductors for photovoltaic and photoelectrochemical applications.- Investigated methods for chalcopyrites film deposition: electrodeposition, spray-coating, spin-coating;- Synthesized chalcopyrite nanoparticles via hydrothermal or microwave-assisted and performed physical-chemical characterization of their use in inks for film deposition;- Fabrication of photocathodes for the synthesis of aniline via photoelectrocatalytic reduction of nitrobenzene;- Development of a solution-processed approach to deposit lanthanum-based oxide perovskite thin films (1 patent, 1 review).- Development of a low-cost tool to characterize 3D pitting corrosion in stainless steel.

Campinas, São Paulo, Brazil

R&D in in the production of zeolite A from ALCOA wastewater at Guaçu Company and University of Campinas. - Synthesized and produced in high scale 4A zeolite from ALCOA mud as the aluminum source, applying design of experiment to reduce the cost of the production;- Laboratory and pilot plant management; supervision of laboratory technicians; writing reports and SOP's;- Supervision on quality control, following the ASTM for colorimetry and cristallinity;-Physical-chemical characterization by XRD; particle size analysis by LDS and electron microscopy; colorimetry; absorption/desorption analysis, BET.

Campinas, São Paulo, Brazil

- Developed a microwave-assisted method to synthesize organo-functionalized phyllosilicates; Developed a method to exfoliate talc by expanding the interlamellar space by functionalization with dendrimers (PAMAM and polyamidopyridine);- Developed a highly amino-content functionalized phyllosilicate for CO2 capture; Studied CO2 adsorption by CO2-TPD;- Studied the application of dendrimer-functionalized silicates for a gelling agent to produce gel electrolytes for dye-sensitized solar cells;- Fabrication of dye-sensitized solar cells.-

Espoo, Southern Finland, Finland

- Fabricated and characterized stable gel electrolyte-based dye-sensitized solar cells (DSSC);- Evaluated stability of different 48 DSSC's simultaneously during 120 days under simulated solar light;- Studied stability and electrolyte degradation by analysis of images and observing the changing the RGB intensities using MatLab.

Postgraduate Degree, Chemical Engineering

Doctor Of Philosophy - Phd, Chemistry

Master'S Degree, Inorganic Chemistry

- Synthesis and characterization of chitosan and BPA functionalized silica for wastewater treatment; - Developed a method to remove Hg(II).

Bachelor'S Degree, Chemistry

- Evaluated acid corrosion in oil well cement and studied the acid absorption in cement slurries; - Formulated acid-resistant cement.