I leave the information so that from what I give you do your flowchart
Photon flow
The photon flow is defined as the number of photons per second per unit area:
* The * flow of photons is important to determine the number of electrons that are converted, and therefore, the current produced by a solar cell. Since the photon flow does not give information about the energy (or wavelength) of the photons, the energy or wavelength of the photons in the light source must be supplied. At a given wavelength, the combination of the photon wavelength or energy and the photon flux at that wavelength can be used to calculate the power density of the photons at that particular wavelength. The power density is calculated by multiplying the photon flow by the energy of a single photon. Since the photon flow gives the number of photons that a surface obtains in a given time, multiplying this by the energy of the photons that make up that flow, the energy that reaches a surface is obtained per unit of time, which is equivalent to a power density To determine the power density in units of W / m², the energy of the photons must be in joules.
Where is the photon flow and q is the value of the electric charge 1.610-19
I'm not completely sure but I came up with Carbon dioxide, methane, water vapor, and nitrous oxide. I hope this is right and maybe helps you. Good luck!!