ÌâÄ¿ÄÚÈÝ
[»¯Ñ§¡ªÎïÖʽṹÓëÐÔÖÊ]£¨13·Ö£©
¢ñ£®ÏÖ½ñÔ˶¯³¡¹Ý´óÁ¿µÄÕÕÃ÷²ÄÁÏ»òÆÁÄ»¶¼Ê¹ÓÃÁË·¢¹â¶þ¼«¹Ü£¨LED£©¡£Ä¿Ç°ÊÐÊÛLED¾§Æ¬£¬²ÄÖÊ»ù±¾ÒÔGaAs£¨É黯ïØ£©¡¢InGaN£¨µª»¯î÷ïØ£©ÎªÖ÷¡£É黯ïØ×÷ΪµÚÈý´ú°ëµ¼Ì壬ÒÔÆäΪ²ÄÁÏÖÆÔìµÄµÆÅÝÊÙÃü³¤£¬ºÄÄÜÉÙ¡£
ÒÑÖªÉ黯ïصľ§°û½á¹¹ÈçͼËùʾ¡£Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ £¨Ìî×ÖĸÐòºÅ£©¡£
a£®É黯ïؾ§°û½á¹¹ÓëNaClÏàͬ b£®µÚÒ»µçÀëÄÜ£ºAs£¾Ga
c£®µç¸ºÐÔ£ºAs£¾Ga d£®É黯ïؾ§ÌåÖк¬ÓÐÅäλ¼ü
e£®GaPÓëGaAs»¥ÎªµÈµç×ÓÌå
£¨2£©AsH3¿Õ¼ä¹¹ÐÍΪ__ __£»É黯ïØ¿ÉÓÉ(CH3)3Ga ºÍAsH3ÔÚ700¡æʱÖƵã¬(CH3)3GaÖÐïØÔ×ÓµÄÔÓ»¯·½Ê½Îª ¡£
¢ò£® ½ðÊô͵ĵ¼µçÐÔ½ö´ÎÓÚÒø£¬¾Ó½ðÊôÖеĵڶþ룬´óÁ¿ÓÃÓÚµçÆø¹¤Òµ¡£
£¨3£©CuµÄ¼Ûµç×ÓÅŲ¼Ê½Îª__________£»Çë½âÊͽðÊôÍÄܵ¼µçµÄÔÒò ¡£
£¨4£©ÔÚÁòËáÍÈÜÒºÖÐͨÈë¹ýÁ¿µÄ°±Æø£¬Ð¡ÐÄÕô·¢£¬×îÖյõ½ÉîÀ¶É«µÄ[Cu(NH3)4]SO4¾§Ì壬¾§ÌåÖÐ
º¬ÓеĻ¯Ñ§¼ü³ýÆÕͨ¹²¼Û¼üÍ⣬»¹ÓÐ ºÍ ¡£ÒÑÖªNF3ÓëNH3µÄ¿Õ¼ä¹¹ÐͶ¼ÊÇÈý½Ç׶ÐΣ¬µ¥NF3²»Ò×ÓëCu2+ÐγÉÅäÀë×Ó£¬ÆäÔÒòÊÇ ¡£
¢ñ£®ÏÖ½ñÔ˶¯³¡¹Ý´óÁ¿µÄÕÕÃ÷²ÄÁÏ»òÆÁÄ»¶¼Ê¹ÓÃÁË·¢¹â¶þ¼«¹Ü£¨LED£©¡£Ä¿Ç°ÊÐÊÛLED¾§Æ¬£¬²ÄÖÊ»ù±¾ÒÔGaAs£¨É黯ïØ£©¡¢InGaN£¨µª»¯î÷ïØ£©ÎªÖ÷¡£É黯ïØ×÷ΪµÚÈý´ú°ëµ¼Ì壬ÒÔÆäΪ²ÄÁÏÖÆÔìµÄµÆÅÝÊÙÃü³¤£¬ºÄÄÜÉÙ¡£
ÒÑÖªÉ黯ïصľ§°û½á¹¹ÈçͼËùʾ¡£Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ £¨Ìî×ÖĸÐòºÅ£©¡£
a£®É黯ïؾ§°û½á¹¹ÓëNaClÏàͬ b£®µÚÒ»µçÀëÄÜ£ºAs£¾Ga
c£®µç¸ºÐÔ£ºAs£¾Ga d£®É黯ïؾ§ÌåÖк¬ÓÐÅäλ¼ü
e£®GaPÓëGaAs»¥ÎªµÈµç×ÓÌå
£¨2£©AsH3¿Õ¼ä¹¹ÐÍΪ__ __£»É黯ïØ¿ÉÓÉ(CH3)3Ga ºÍAsH3ÔÚ700¡æʱÖƵã¬(CH3)3GaÖÐïØÔ×ÓµÄÔÓ»¯·½Ê½Îª ¡£
¢ò£® ½ðÊô͵ĵ¼µçÐÔ½ö´ÎÓÚÒø£¬¾Ó½ðÊôÖеĵڶþ룬´óÁ¿ÓÃÓÚµçÆø¹¤Òµ¡£
£¨3£©CuµÄ¼Ûµç×ÓÅŲ¼Ê½Îª__________£»Çë½âÊͽðÊôÍÄܵ¼µçµÄÔÒò ¡£
£¨4£©ÔÚÁòËáÍÈÜÒºÖÐͨÈë¹ýÁ¿µÄ°±Æø£¬Ð¡ÐÄÕô·¢£¬×îÖյõ½ÉîÀ¶É«µÄ[Cu(NH3)4]SO4¾§Ì壬¾§ÌåÖÐ
º¬ÓеĻ¯Ñ§¼ü³ýÆÕͨ¹²¼Û¼üÍ⣬»¹ÓÐ ºÍ ¡£ÒÑÖªNF3ÓëNH3µÄ¿Õ¼ä¹¹ÐͶ¼ÊÇÈý½Ç׶ÐΣ¬µ¥NF3²»Ò×ÓëCu2+ÐγÉÅäÀë×Ó£¬ÆäÔÒòÊÇ ¡£
£¨1£©b c d e£¨2·Ö£© £¨2£©Èý½Ç׶ÐÍ£¨2·Ö£© sp2 £¨2·Ö£©
£¨3£©3d104s1£¨2·Ö£© ½ðÊôÍ´æÔÚ×ÔÓɵç×Ó£¬Í¨µçºó·¢Éúµç×ӵĶ¨ÏòÒƶ¯²úÉúµçÁ÷£¨1·Ö£©
£¨4£©Åäλ¼ü¡¢Àë×Ó¼ü£¨2·Ö£© F±ÈHµç¸ºÐÔ´ó£¬ÎüÒýµç×ÓÄÜÁ¦Ç¿£¬µç×Ó¶ÔÇ¿ÁÒÆ«ÏòÓÚF£¬¹ÊNÔ×ӵŵç×Ó¶Ô²»Ò×ÓëCu2+ÐγÉÅäλ¼ü £¨2·Ö£©
£¨3£©3d104s1£¨2·Ö£© ½ðÊôÍ´æÔÚ×ÔÓɵç×Ó£¬Í¨µçºó·¢Éúµç×ӵĶ¨ÏòÒƶ¯²úÉúµçÁ÷£¨1·Ö£©
£¨4£©Åäλ¼ü¡¢Àë×Ó¼ü£¨2·Ö£© F±ÈHµç¸ºÐÔ´ó£¬ÎüÒýµç×ÓÄÜÁ¦Ç¿£¬µç×Ó¶ÔÇ¿ÁÒÆ«ÏòÓÚF£¬¹ÊNÔ×ӵŵç×Ó¶Ô²»Ò×ÓëCu2+ÐγÉÅäλ¼ü £¨2·Ö£©
ÊÔÌâ·ÖÎö£º£º£¨1£©a£®GaAs¾§ÌåÖÐAs·Ö²¼ÓÚ¾§°ûÌåÐÄ£¬Ga·Ö²¼ÓÚ¶¥µãºÍÃæÐÄ£¬¶øNaClÖÐÒõÑôÀë×Ó·Ö±ðλÓÚ¾§°ûµÄ¶¥µã¡¢ÃæÐÄÒÔ¼°ÀâºÍÌåÐÄ£¬¶þÕ߽ṹ²»Í¬£¬¹Êa´íÎó£»b£®Í¬ÖÜÆÚÔªËØ´Ó×óµ½ÓÒµÚÒ»µçÀë³ÊÔö´óÇ÷ÊÆ£¬µ«µÚVA×å´óÓÚµÚIIIA×壬µÚIIA×å´óÓÚµÚIIIA×壬ËùÒÔÔòµÚÒ»µçÀëÄÜ£ºAs£¾Ga£¬¹ÊbÕýÈ·£»c£®Í¬ÖÜÆÚÔªËØ´Ó×óµ½Óҵ縺ÐÔÖð½¥Ôö´ó£¬Ôòµç¸ºÐÔ£ºAs£¾Ga£¬¹ÊcÕýÈ·£»d£®Éé¼Ûµç×ÓÊýÊÇ5¸ö¶øïØÊÇ3¸ö£¬ÒªÂú×ã8µç×ÓÎȶ¨½á¹¹£¬Ôò É黯ïؾ§ÌåÖк¬ÓÐÅäλ¼ü£¬¹ÊdÕýÈ·£»e£®GaPµÄ¼Û²ãµç×ÓΪ3+5=8£¬SiCµÄ¼Û²ãµç×ÓΪ4+4=8£¬GaAs¼Û²ãµç×ÓÊýΪ3+5=8£¬ÔòΪµÈµç×ÓÌ壬¹ÊeÕýÈ·£»¹Ê´ð°¸Îª£ºbcde£»£¨2£©AsH3Öк¬ÓÐ3¸ö¦Ä¼üºÍ1¸ö¹Âµç×Ó¶Ô£¬ÎªÈý½Ç׶ÐΣ¬£¨CH3£©3GaÖÐGaÐγÉ3¸ö¦Ä¼ü£¬Ã»Óйµç×Ó¶Ô£¬Îªsp2ÔÓ»¯£»
£¨3£©CuµÄÔ×ÓÐòÊýÊÇ29£¬¸ù¾ÝºËÍâµç×ÓÅŲ¼¹æÂÉ¿É֪͵ļ۵ç×ÓÅŲ¼Ê½Îª3d104s1¡£ÓÉÓÚ½ðÊôÍ´æÔÚ×ÔÓɵç×Ó£¬Í¨µçºó·¢Éúµç×ӵĶ¨ÏòÒƶ¯²úÉúµçÁ÷£¬Òò´Ë½ðÊôÍÄܵ¼µç£»
£¨4£©¸ù¾ÝÎïÖʵĽṹ¿ÉÖª£¬ÍÀë×ÓÓëÁòËá¸ùÀë×ÓÖ®¼ä»¹´æÔÚÀë×Ó¼ü¡£ÍÀë×ÓÓë°±Æø·Ö×Ӽ仹´æÔÚÅäλ¼ü¡£ÓÉÓÚF±ÈHµç¸ºÐÔ´ó£¬ÎüÒýµç×ÓÄÜÁ¦Ç¿£¬µç×Ó¶ÔÇ¿ÁÒÆ«ÏòÓÚF£¬¹ÊNÔ×ӵŵç×Ó¶Ô²»Ò×ÓëCu2+ÐγÉÅäλ¼ü¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿