Is the Doppler effect responsible for redshifted photons and time dilation?

[kurious]

If photons get redshifted on their way to the Earth by transferring
energy to the dark energy of the cosmos their momenta would not be
changed and cause blurring of objects because dark energy may not have momentum itself and so classical behaviour that would cause blurring would not necessarily occur.
Redshifted photons would still exhibit time dilation over large
distances.
Any thoughts on this?

 

[TeV]

If photons get redshifted on their way to the Earth by transferring energy to the dark energy of the cosmos ...

To procede in funny tone:Than the dark energy of the cosmos is nothing else than the gravitational energy of the same.

 

[Chronos]

photons can only be emitted and absorbed in their entirety [re: Plancks quanta theory]. the doppler effect is the simplest and most obvious explanation for red [or blue] shift.