Bryan Rosales Email & Phone Number

Portland, Or, Us

San Jose, California, United States

- Fabricated high-efficiency halide perovskite devices using solution processing, PVD, and ALD.- Designed next-generation HTL’s with long-term outdoor and UV stability.- Utilized a variety of metrology techniques to characterize inks, molecules, nanoparticles, films, and devices.- Acquired new metrology instrumentation and established their efficacy.- Conducted failure analysis of photovoltaic modules. - Built-out Tandem PV’s Synthesis and Characterization Laboratory.- Synthesized novel passivating molecules, ink additives, hole transport layers (HTL’s), and oxide nanoparticles.

San Jose, California, United States

- Developed slot-die coating of > 290cm2 high-efficiency halide perovskite modules.- Performed design of experiments for module fabrication and statistical analysis with Minitab, Tableau, Excel.- Utilized statistical process control to monitor process improvements and determine process drift.- Formulated next-generation halide perovskite inks compatible with industrial manufacturing methods.- Led a team of three engineers to increase the throughput of R&D efforts.- Managed multiple projects within the solution processing team targeting high efficiencies, long outdoor stability, ink working lifetimes, barrier layers, new transport layers, and end-of-life recycling of modules.- Established QA/QC protocols and document control.- Identified potential incoming materials manufacturing partners.- Interfaced with equipment vendors to acquire pilot-line equipment.

San Jose, California, United States

- Designed ink formulations for high-efficiency halide perovskite modules.- Engineered blade-coating processes for high-efficiency halide perovskite modules.- Established metrology and quality control for solution processing team.

Golden, Co

- Discovered a mechanism to induce reversible multicolor chromism in halide perovskites.- Controlled the switching temperature of thermochromic metal halide perovskite semiconductors between 20-75 °C by chemically manipulating H-bonding strength.- Designed thermochromic photovoltaic windows that switch between transparent and multicolor dark phases.- Developed structure-property relationships of thermochromic metal halide perovskites using time-resolved in-situ WAXS.

Ames, Ia

- Developed the low-temperature, solution phase synthesis of ternary rock salt semiconductors based on biocompatible and earth-abundant elements.- Performed ab initio calculations on periodic structures to correlate structure-property relationships in disordered ternary semiconductors.- Discovered the presence of phase segregation, persistent dopants, and semicrystalline phases in the organolead mixed-halide perovskites by 207Pb solid-state NMR.- Developed a solid phase synthesis for organolead mixed-halide perovskites that eliminates semicrystalline phases.- Characterized samples using PXRD, UV-Vis, Diffuse-Reflectance, PL, NMR (both solution and solid), EPR, FTIR, TEM, SEM, SAED, EDX, XPS, Electrochemistry, GCMS, TGA/DSC, and VASP calculations.- Maintained two nitrogen gloveboxes and served as the group's safety representative.- Mentored two students of Ames Laboratory's Science Undergraduate Laboratory Internship (SULI) program.

Ames, Ia

- Instructed recitation and laboratory experiments in Chemical Thermodynamics, Quantitative Chemical Analysis and General Chemistry.

Bonn, Germany

- Developed the solution-initiated, combustion synthesis and cerium doping of oxide materials for redox catalysis.- Synthesized single-crystals by chemical vapor transport.

Taipei City, Taiwan

- Synthesized and characterized lithium manganese/nickel oxide battery cathodes.

Columbus, Ohio

- Fabricated and electrochemically characterized polyaniline-coated tin foil and tin slurry anodes by electrochemical polymerization for Li-ion batteries with both Swagelok and coin-cell architectures.- Served as the group's chemical and supplies purchasing person.- Participated in OSU's "Go West!" outreach program to promote science and education among underprivileged kids in Franklinton, Ohio.

Grove City, Oh

- Served as a lead parcel assistant and new employee trainer in every working area- Managed workers from multiple nationalities and religions- Oversaw operation of the control room- Participated in the Quality Driven Management (QDM) team to reduce the number of miss-sorted packages

Groveport, Ohio

- Developed, modified, and taught various tennis drills - Taught tennis in Groveport Madison's summer tennis camps - Captained a USTA summer league team

Doctor Of Philosophy - Phd, Inorganic Chemistry

Bachelor'S Degree, Chemistry

Activities and Societies: Electrochemical Society, Table Tennis Club, Go Club

Associate Of Science - As, Physical Sciences