华东师范大学学报（自然科学版）
華東師範大學學報（自然科學版）
화동사범대학학보（자연과학판）
JOURNAL OF EAST CHINA NORMAL UNIVERSITY(NATURAL SCIENCE)
2009年
4期
124-130,136
,共8页
梁旦%韩菲菲%王红敏%唐国强%叶葏%吴玲娟%徐学诚
樑旦%韓菲菲%王紅敏%唐國彊%葉葏%吳玲娟%徐學誠
량단%한비비%왕홍민%당국강%협전%오령연%서학성
溴%聚苯乙炔%掺杂%共轭%电子转移复合物%压力
溴%聚苯乙炔%摻雜%共軛%電子轉移複閤物%壓力
추%취분을결%참잡%공액%전자전이복합물%압력
bromine%polyphenelacetylene%doping%conjugation%charge transfer com-plex%pressure
通过溴蒸气的吸附,聚苯乙炔(PPA)的电导率比吸溴前提高近12个数量级.将溴掺杂的粉末样品压片成型后发现其电导率随时间的增加而提高.固体紫外光谱、红外光谱和X光电子能谱表明溴与PPA之间存在较强的共轭作用,形成了电子转移复合物;溴掺杂有利于增大PPA的共轭程度,提高PPA的电导率;压力作用有助于增强溴对PPA的掺杂效应.
通過溴蒸氣的吸附,聚苯乙炔(PPA)的電導率比吸溴前提高近12箇數量級.將溴摻雜的粉末樣品壓片成型後髮現其電導率隨時間的增加而提高.固體紫外光譜、紅外光譜和X光電子能譜錶明溴與PPA之間存在較彊的共軛作用,形成瞭電子轉移複閤物;溴摻雜有利于增大PPA的共軛程度,提高PPA的電導率;壓力作用有助于增彊溴對PPA的摻雜效應.
통과추증기적흡부,취분을결(PPA)적전도솔비흡추전제고근12개수량급.장추참잡적분말양품압편성형후발현기전도솔수시간적증가이제고.고체자외광보、홍외광보화X광전자능보표명추여PPA지간존재교강적공액작용,형성료전자전이복합물;추참잡유리우증대PPA적공액정도,제고PPA적전도솔;압력작용유조우증강추대PPA적참잡효응.
Through absorption of bromine vapor, the electrical conductivity of Polyphenylacetylene (PPA) enhanced by 10~(12) times. After pressing the bromine doped powder sample into pellet, we found that the conductivity of the samples increased with time. UV-Vis spectra, IR, and XPS spectra indicated that strong conjugation effect exists between PPA and bromine, and Charge Transfer Complex (CTC) is formed in PPA after doping; bromine doping increases the conjugation of PPA and improves its conductivity; the pressure can promote the doping effect of bromine on PPA.
