NLO materials based on the epoxy matrix of doped 3,5,7,3’,4’-pentahydroxiflavone-8-sulfonic acid

Abstract

Îòðèìàí³ ïîë³ìåðí³ íåë³í³éíî-îïòè÷í³ (ÍËÎ) ìàòåð³àëè ó âèãëÿä³ òîíêèõ ïë³âîê, âèãîòîâëåíèõ ìåòîäîì öåíòðèôóãóâàííÿ íà îñíîâ³ åïîêñèäíî¿ ïîë³ìåðíî¿ ìàòðèö³, äîïîâàíî¿ õðîìîôîðîì 3,5,7,3′ ,4′ -ïåíòàã³äðîêñèôëàâîí-8-ñóëüôîêèñëîòîþ (ñóëüôîêâåðöåòèíîì) çà ð³çíî¿ êîíöåíòðàö³¿ äîïàíòó. Öåé õðîìîôîð ñèíòåçîâàíèé øëÿõîì õ³ì³÷íîãî ìîäèô³êóâàííÿ íàòóðàëüíîãî õðîìîôîðó 3,5,7,3′ ,4′ -ïåíòàã³äðîêñèôëàâîíó (êâåðöåòèíó) øëÿõîì ââåäåííÿ ó éîãî õðîìîíîâèé ôðàãìåíò àêöåïòîðíî¿ ñóëüôîíîâî¿ ãðóïè (SO 3 H) ó ïîëîaeåííÿ C 8 . Ìîäèô³êóâàííÿ êâåðöåòèíó âèêîíàíî ç ìåòîþ çá³ëüøåííÿ éîãî äèïîëüíîãî ìîìåíòó ³, îòaeå, ïîêðàùåííÿ ÍËÎ âëàñòèâîñòåé õðîìîôîðó, à òàêîae ðîç÷èííîñò³ â ïîëÿðíèõ ðîç÷èííèêàõ. Çà äîïîìîãîþ îïòè÷íî¿ òà ²×-ñïåêòðîñêîﳿ äîñë³äaeåí³ ñïåêòðàëüí³ õàðàêòåðèñòèêè ïîë³ìåðíèõ ìàòåð³àë³â ³ ¿õí³ ÍËÎ âëàñòèâîñò³. Ìîðôîëîã³þ òà ñòðóêòóðí³ âëàñòèâîñò³ äîïîâàíèõ ïîë³ìåðíèõ ïë³âîê äîñë³äaeóâàëè ç âèêîðèñòàííÿì ñêàíóâàëüíî¿ åëåêòðîííî¿ ì³êðîñêîﳿ ³ çîëü-ãåëü àíàë³çó. Äðóãà êâàäðàòè÷íà ìàêðîñêîï³÷íà ñïðèéíÿòëèâ³ñòü îòðèìàíèõ òîíêèõ ïîë³ìåðíèõ ïë³âîê ðîçðàõîâàíà â³äïîâ³äíî äî ë³í³éíî¿ ìîäåë³ òâåðäîãî îð³ºíòîâàíîãî ãàçó. Ïîêàçàíî, ùî òåðì³÷í³, ìîðôîëîã³÷í³, ñòðóêòóðí³ òà ÍËÎ âëàñòèâîñò³ äîïîâàíèõ ïîë³ìåðíèõ ïë³âîê çàëåaeàòü â³ä êîíöåíòðàö³¿ äîïàíòó. Âèçíà÷åíî, ùî ââåäåííÿ ñóëüôîãðóïè â ìîëåêóëó õðîìîôîðó ïðèâîäèòü äî ïîêðàùåííÿ ÍËÎ âëàñòèâîñòåé ïîë³ìåðíèõ ìàòåð³àë³â. Çàëåaeí³ñòü çíà÷åíü ìàêðîñêîï³÷íèõ ÍËÎ âëàñòèâîñòåé (χ (2) ) äîïîâàíèõ ïîë³ìåðíèõ ïë³âîê â³ä êîíöåíòðàö³¿ õðîìîôîðó ìຠåêñòðåìàëüíèé õàðàêòåð. Ìàêñèìàëüíå çíà÷åííÿ χ (2) ñòàíîâèòü 1150 ïì/ çà êîíöåíòðàö³¿ äîïàíòó 50 % ìàñ.