| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor suitable for exposure with light having a wavelength of 380 to 500nm. SOLUTION: A compound given by a general formula (1) and a compound given by a formula (2) are used together as charge transport materials which a photosensitive layer should contain. In the general formula (2), Ar<SP>1</SP>to Ar<SP>4</SP>and Ar<SP>7</SP>to Ar<SP>10</SP>are aryl groups which may have substituents independently, and Ar<SP>5</SP>, Ar<SP>6</SP>, Ar<SP>11</SP>, and Ar<SP>12</SP>are arylene groups which may have substituents independently. R<SP>1</SP>is an alkyl radical, an aralkyl radical, or an aryl radical which may have a substituent. Z is a saturated hydrocarbon ring with 4 to 8 carbons which may have a substituent. COPYRIGHT: (C)2004,JPO
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