Charge-transfer material and process for producing the same, electron-transfer agent, photoreceptor for electrophotography and organic electroluminescence element using said charge-transfer material
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app pub date -
Sep 30, 2003
filing date -
Mar 30, 2001
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Abstract
A photosensitive layer contains an electron-transfer agent that makes use of a compound represented by the following general formula (1): 1 wherein R.sub.1 through R.sub.4 are each independently selected from the group consisting of hydrogen, cyano, nitro, halogen, hydroxyl, alkyl, aryl, heterocyclic ring, ester, alkoxy, aralkyl, allyl, amide, amino, acyl, alkenyl, alkynyl, carboxyl, carbonyl, and carboxylic acid; X is selected from the group consisting of oxygen, sulfur, and .dbd.C(CN).sub.2; and W is a 4- to 8-membered ring.
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