Computer simulation of hopping transport in dipolar glassesстатья
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Дата последнего поиска статьи во внешних источниках: 26 декабря 2017 г.
Аннотация:Charge carrier transport in polar disordered organic materials is discussed. In such materials dipolar molecules produce a smooth energy landscape leading to a universal Poole-Frenkel mobility field dependence. This dependence is an intrinsic property of the correlated nature of dipolar glass and does not depend on the particular kind of hopping rate. Computer simulations for trap-controlled transport show that mobility estimated from the time of intersection of the asymptotes to plateau and trailing edge of photocurrent transient, is very sensitive to the variation of transient shape and. in some cases, effectively masquerades the real concentration and field dependence of the true mobility.