SEARCH Articles Figures Tables Acceptor charge Acceptor transfer Charge at interfaces Charge response Charge-transfer excitons Donor charge Donor transfer Donor-acceptor charge transfer Donor-acceptor transfer Exciton Exciton/excitonic Excitons Interface charge transfer Interfaces charged Nonlinear optical response Nonlinear optics response Nonlinear response Optical charge transfer Optical response Optical transfer Response Nonlinearity