State;
Key;
Laboratory;
for;
Structural;
Chemistry;
of;
Unstable;
and;
Stable;
Species,;
Institute;
of;
Chemistry,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
National;
Laboratory;
of;
Biomacromolecules,;
Institute;
of;
Biophysics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;
National;
Laboratory;
of;
Biomacromolecules,;
Institute;
of;
Biophysics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;
National;
Laboratory;
of;
Biomacromolecules,;
Institute;
of;
Biophysics,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100101,;
China;
State;
Key;
Laboratory;
for;
Structural;
Chemistry;
of;
Unstable;
and;
Stable;
Species,;
Institute;
of;
Chemistry,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
for;
Structural;
Chemistry;
of;
Unstable;
and;
Stable;
Species,;
Institute;
of;
Chemistry,;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100080,;
China;
State;
Key;
Laboratory;
for;
Structural;
Chemistry;
of;
Unstable;
and;
Stable;
Species,;
Institute;
purple; photosynthetic; bacteria,; carotenoid,; excited-state,; time-resolved; spectroscopy.;