Journal Article Research Support, Non-U.S. Gov't 27YLU75U4W AC-to-AC power transfer Evaluation Study N762921K75 Nitrogen Oxygen Phosphorus Review S88TT14065 Water Pollutants Water Pollutants, Chemical ammonium persulfate block copolymers direct capacitive coupling electroluminescence flexible sensing displays full-colored photonic crystals human-interactive sensing displays ink-jet printing inverse piezoelectric sounds mechanoluminescence printable structural color reversible crosslinking rewritable structural color soft human-machine interfaces structural colors tactile vibration wireless stand-alone interactive displays