The photochromic reaction between azobenzene and UV light stops the car by converting the photochromic lens to its cis state. The rate at which the lens darkens is proportional to the UV light photon concentration. Once fully darkened, a signal stops the motor. A microbial fuel cell powers the car by using anaerobic microbes to continuously produce hydrogen, which is split to generate electrons used to power the motor. The document lists the team members, advisors, and outside experts who worked on the project, and acknowledges additional supporters.
It contains the basic principle of Mossbauer Spectroscopy.
Recoil energy, Dopler shift.
The instrumentation of Mossbauer Spectroscopy.
Hyperfine interactions.
It contains the basic principle of Mossbauer Spectroscopy.
Recoil energy, Dopler shift.
The instrumentation of Mossbauer Spectroscopy.
Hyperfine interactions.
Luminescence is the characteristic property of material to emit light through various processes. This slide helps us to know about the atomic level description of luminiscence, its types and applications
Luminescence is the characteristic property of material to emit light through various processes. This slide helps us to know about the atomic level description of luminiscence, its types and applications
Unlike a spectrometer (which is any instrument that can measure the
properties of light over a range of wavelengths), a spectrophotometer
measures only the intensity of light as a function of its wavelength.
Introduction,Instrumentation, Classification of electronic transitions, Substituent and solvent effects, Classification of electronic transitions
Substituent and solvent effects
Applications of UV Spectroscopy
UV spectral study of alkenes
UV spectral study of poylenes
UV spectral study of α, β-unsaturated carbonyl
UV spectral study of Aromatic compounds
Empirical rules for calculating λmax.
Applications of UV Spectroscopy, Empirical rules for calculating λmax.
A laser is a device that generates light by a process called STIMULATED EMISSION.
The acronym LASER stands for Light Amplification by Stimulated Emission of Radiation
Semiconducting lasers are multilayer semiconductor devices that generates a coherent beam of monochromatic light by laser action. A coherent beam resulted which all of the photons are in phase.
Contents
Definition of a laser
Emission and absorption of radiation
Population Inversion
Optical Feedback
Fundamentals of laser operation
Laser Hazards
1. The photochromic reaction between azobenzene and UV
light is the stopping mechanism. The concentration of
photons determines the time it takes for the azobenzene to
convert fully to its cis state. A microbial fuel cell is utilized to
power the car. A continuous hydrogen supply is produced by
anaerobic microbes.
Stopping Reaction:
Azobenzene, the main component in our photochromic
lens, reacts with UV light and converts from its trans state
to its cis state. This causes the lens to darken at a rate
that is directly proportional to the concentration of
photons from the UV light. Once the lens is completely
dark, a signal will be sent to open the electrical circuit to
the motor which will stop the power to the wheels.
Power Reaction:
Power is supplied by the microbial fuel cell which contains
a mixture of anaerobic microbes and yeast in the anode
chamber and an oxygen-rich salt solution in the cathode
chamber. The hydrogen produced by the microbe solution
is split into hydrogen protons and electrons. The electrons
harvested are used to power the motor.
UV Intensity in lux
increases with time
in seconds. UV
Intensity increases
with light sensor
readings, both in lux.
Voltage of Microbial
Fuel Cells increase
with time in seconds.
Team Members:
Monica Torralba
Michelle Vazquez
Justin Pinca
Robert Gwiszcs
Daniel DeSouza
Lydia Hong
Sohui Park
Allen Reed
Dawid Lazar
Paul Abatemarco
Brody Frees
Luis Vasquez
Angelo Albano
Marcus Taylor
Lenna Nashif
Nicholas Salvemini
Advisors:
Dr. Angelo Perna
Dr. Reginald Tomkins
Safety/Lab Advisor:
Shawn Yetman
Outside Expert:
Robert Lions
Acknowledgements:
Dr. Joseph Bozzelli, Dr. Wen
Zhang, Dr. Xiaoyang Xu, Dr.
Sagnik Basuray, Yogesh Gandhi,
Ghislain Tchantchou, Asim
Zaman, Precision Electric Motors
