Electronic Processes Induced by Radiation in Solid Organic Systems

Tyutnev, A. P.; Sichkar, V.P.; Ванников, А. В.

doi:10.1070/rc1981v050n06abeh002648

Cited by 5 publications

(2 citation statements)

References 285 publications

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“…This may be expected to occur if geminate electron lifetimes become comparable t o (though still less than' the pulse length used. Such a behaviour is surmised to take place in PS and P E T P a t nanosecond irradiations [36,371 and in polypyromellitimide in the microsecond region [38].…”

Section: Discussionmentioning

confidence: 99%

Radiation‐induced conductivity in polystyrene as a hopping phenomenon

et al. 1986

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Transient radiation-induced conductivity of polystyrene resulting from single pulses (0.3 ms) of 65 keV electrons in vacuum has been investigated. The activation energy of the delayed component was found to be 0.17 eV. Doping of polystyrene with additives (rhodamine-6G, tetracyanoethylene) is consistent with the fact that this polymer is hole conducting. Transit time effects in polymer films of 20 pm thickness are practically absent a t fields less then l o 8 V/m.The application of the proposed theory of the transient hopping conduction and its relationship to the conventional band model of photo-and radiation-induced conductivity in amorphous semiconductors is also discussed. Strahlungsinduzierte Leitfahigkeit yon Polystyren als Hopping-PhanomenDie transiente strahlungsinduzierte Leitfahigkeit von Polystyren nach Elektronenbestrahlung mit Einzelimpulsen (65 keV; 0,3 ms) wurde gemessen. Die Aktivierungsenergie der verzogerten Komponente betragt 0,17 eV. Die Dotierung des Polymers mit Rhodamin-6G und Tetracyanethylen ist mit der Annahme vertraglich, daB Polystyren Defektelektronen-Leitung besitzt. Bei den angewandten Feldstarken unter l o 8 V/m treten praktisch keine Transitzeiteffekte in 20 pm dieken Polymerfilmen auf. Die Anwendung der vorgeschlagenen Theorie der transienten Hopping-Leitung und ihre Beziehungen zum konventionellen Bandermodell der licht-und strahlungsinduzierten Leitfahigkeit amorpher Halbleiter werden diskutiert. Paduayuonno-undy yuposaxnm npbwxoeas npoeodwocmb nofiucmupoJcaI'fCCJIe~OBaHa HeCTaqHOHapHaR paAHaqOHHaH 3JIeKTpOIIpOBOHHOCTb IIOJIllCTElpOJIa IIpH B03AefiCTBHH OAIlHOYHhIX AMnyJIbCOB (0,3 MC) BJIeKTPOHOR c3H€!prHe& 65 K3B B BaKyyMe 3 * lo4 rk3. OIIpeAeJIeHa 3HeprllFI aKTHBaqHH 3aAep-HtaHHOfi COCTaBJIRloIIIefi HHAYqHpOBaHHO# 3JIeKTpOIIpOBOAHOCTH (0,17 3B). nOKa3aH0, YTO XapaKTep AefiCTBIlFI AOHOpHO-aKqeIITOpHbIX ~0 6 a~o~ (POAaMHH -6 X , TeTpaI(IlaH3TIlJIeH) COOTBeTCTBYeT n p e o 6 n a~a m~e~y BKJIaAy AbIPOK B HHAYqHPOBaHHYH) 3JIeKTpOnpOBOAHOcTb. a@@?KTbI BpeMeHH IIpOJIeTa B IIJIeHKaX IIOJIHCTApOJIa TOJIuHHOfi 20 MKM IIpaKTHqeCKH OTCYTCTBYIOT B 3JIeKTpHYeCKHX IIOJIRX He 6onee 10' B/M. O~C~X A~~T C F I BOIIpOCbI OIIHCBHHFI ~a 6 n r n~a e~~x FIBneHHfi B paMKaX HeCTagHOHapHOfi TeOpkiH IIphIHtKOBOfi 8JleKTpOIIOpOBOAHOCTH I4 ee B3&MOOTHO-IIIeHBFI C KJIaCCH4eCKOfi 30HHOfi MOAeJIbHIO @OTO-H paAHaqHOHHOfi IIPOBOAHMOCTH HeyIIOpHAOYeHHbIX TBepAbIX TeJI.

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Section: Discussionmentioning

confidence: 99%

Radiation‐induced conductivity in polystyrene as a hopping phenomenon

et al. 1986

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“…A similar technique was used in early 1980s for investigation of photoinduced charge separation in the systems comprising organics dyes such as chlorophyll and fucoxanthin [29,30], conjugated polymers and organic donor-acceptor blends [31][32][33]. Some other researchers reported the synthesis and electrical conductivity of polyacetylene in early 1960s [6,7], studied behavior of organic semiconductors under radiation [34], and investigated charge generation and transport in natural photosynthetic systems [35].…”

Section: Introductionmentioning

confidence: 97%

Research in the Field of Organic Photovoltaics at the Institute for Problems of Chemical Physics of Russian Academy of Sciences

Troshin

2015

Organic Photonics and Photovoltaics

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In the present review we highlight the main research activities in the field of organic photonics and photovoltaics at the Institute for Problems of Chemical Physics of Russian Academy of Sciences (IPCP RAS). Extensive investigation of optical and electrical properties of π-conjugated organic compounds performed at IPCP RAS since 1960's resulted in design of many exciting materials representing organic semiconductors, metals and superconductors. Organic Schottky barrier and p/n junction photovoltaic devices constructed at IPCP RAS in 1960's and 1970's were among the first examples of reasonably efficient organic solar cells at that time. These early discoveries inspired younger generations of the researchers to continue the work of their mentors and explore the world of organic materials and photonic devices such as molecular photonic switches, organic light emitting diodes, solar cells, photodetectors, photoswitchable organic field-effect transistors and memory elements.

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Time‐resolved nanosecond radiation‐induced conductivity in polymers

et al. 1986

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Nanosecond time-resolved RIC in some 30 polymers excited by a 40 ns, 8 MeV electron pulse has been studied. Irradiation was carried out in vacuum a t room temperature. For some polymers comparative investigations in the microsecond time region are also reported. Data analysis is based on the concept of geminate electrons controlling pulsed conductivity. It is shown that the application of the dispersive transport formalism allows to gain valuable information concerning the initial effective mobility and the frequency factor directly from the experiment. Die zeitaufgeloste strahlungsinduzierte Leitfahigkeit yon Polymeren im Nanosekundenbereich Die strahlungsinduzierte Leitfahigkeit von mehr als 30 Polymeren nach Anregung durch einen Elektronenimpuls (40 ns, 8 MeV) wurde im Nanosekundenbereich untersucht. Die Bestrahlung erfolgte im Vakuum bei Zimmertemperatur. An einigen Polymeren wurden auch vergleichende Untersuchungen im Mikrosekundenbereich durchgefiihrt. Die Analyse der Meliwerte erfolgt auf Basis des Konzepts der durch die erzeugten Ladungstragerpaare kontrollierten Leitfahigkeit. Es wird gezeigt, daD unter Zugrundelegung des Modells eines dispersiven Ladungstransports wertvolle Informationen uber die effektive Anfangsbeweglichkeit und zum Frequenzfaktor unmittelbar aus dem Experiment erhalten werden konnen. HaHocercyxalcan paaua yuonno-wnynbcnan snel~mponposodnocmb nonmepos Coo61qam~cs pe3yJlbTaTbl EICCJIeAOBaHEIH HaHOCeKYHAHO& paAaaqEIOHHO-EIMIIynbCHO& 3JleKTpOIIpOBO,QHOCTM, B03-6yxqae~oZt B IIOnEIMepaX (HCCJIeAOBaHO donee 30) YCKOpeHHbIX 3JIeKTpOHOB (3HeprEIH 8 M3B). &Ill PRna IIOJIEIMepOB BbIIIOJIHeHM CpaBHEITenbHbIe IlCCneAOBaHaH M B MEKpOCeKyHAHO& o 6 n a c~a . A~a n n 3 AaHHblX IIPOBOAEITCH H a OCHOBe IIOHHTEIH 0 reMHHaJTbHO& 3JleKTpOnpOBOAHOCTEI. n O K a 3 a H 0 , YTO IIpkiMeHHe KOHqeII~EIH AkiCIIepCEIOHHOrO TpaHCIIOpTa II03BOJIHeT IIOJlyWlCb QeHHYH) EIH@OPMElqMH) DO HaqaJIbHO& IlOABEIH(HOCTI4 HOCliTeJre& 3apRAa II WlCTOTHOMY @aKTOpy IIPHMO 113 3KCIIePEIMeHTaJIbHbIX AaHHblX. KOPOTKEIMEI IfMIIynbCaMA (40 HC)

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Electronic Processes Induced by Radiation in Solid Organic Systems

Cited by 5 publications

References 285 publications

Radiation‐induced conductivity in polystyrene as a hopping phenomenon

Radiation‐induced conductivity in polystyrene as a hopping phenomenon

Research in the Field of Organic Photovoltaics at the Institute for Problems of Chemical Physics of Russian Academy of Sciences

Time‐resolved nanosecond radiation‐induced conductivity in polymers

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