CAJ | 학술논문

采用反射光谱仪和扫描电镜（SEM）对淡水褶纹冠蚌贝壳壳层微结构及珍珠层彩虹色成因进行较系统研究,对珍珠层构色机制进行了理论模拟。结果表明：贝壳棱柱层为棒柱结构,且与珍珠层呈近垂直交接;同一贝壳的珍珠层,生长端存在明显的彩虹色,且反射波长位于蓝绿波段,而成熟端无明显颜色和反射波长;构成珍珠层成熟和生长端文石板片厚度存在明显差异,且两者厚度分别约为1 483 nm和426 nm;珍珠层中文石板片与蛋白质周期排列构成一光子带隙结构,该结构与蛋白质色素的共同作用是其颜色产生的直接原因。
채용반사광보의화소묘전경（SEM）대담수습문관방패각각층미결구급진주층채홍색성인진행교계통연구,대진주층구색궤제진행료이론모의。결과표명：패각릉주층위봉주결구,차여진주층정근수직교접;동일패각적진주층,생장단존재명현적채홍색,차반사파장위우람록파단,이성숙단무명현안색화반사파장;구성진주층성숙화생장단문석판편후도존재명현차이,차량자후도분별약위1 483 nm화426 nm;진주층중문석판편여단백질주기배렬구성일광자대극결구,해결구여단백질색소적공동작용시기안색산생적직접원인。
The microstructure and the color of nacreous layers in bivalve shell of Cristaria plicate are studied by scanning electronic microscope,reflectance spectrum and theoretical simulation.The results show that：（1） Prismatic layer has the bar-structural property,which is nearly perpendicular to nacreous layer.（2） In the different regions of shell nacreous,the growing region displays irradiant iridescence,and the reflected wavelength is in the range from blue to green,but the matured region has not an obvious color and reflected wavelength;（3） The thickness of a piece of aragonite sheet in the matured regions and growing is 1483 nm and 426 nm respectively.（4） Aragonite sheet is embedded in organic matrix,which forms a typical one-dimensional photonic band gap structure,moreover,the coloring of nacreous layer are attributed to the band gap and the pigment of organic matrix.