A series of novel red-emitting BaLiZn_(3)(BO_(3))_(3):Eu^(3+)phosphors were synthesized through the high temperature solid state reaction method.The phase composition,crystal structure,morphology and photo luminescenc...A series of novel red-emitting BaLiZn_(3)(BO_(3))_(3):Eu^(3+)phosphors were synthesized through the high temperature solid state reaction method.The phase composition,crystal structure,morphology and photo luminescence property of the BaLiZn_(3)(BO_(3))_(3):Eu^(3+)samples were systematically investigated.The phosphor can be efficiently excited by the near ultraviolet light(NUV)of 396 nm and blue light of 466 nm,and give out red light emission at 618 nm corresponding to the electric dipole transition(^(5)D_(0)→^(7)E_(2)).The optimal doping concentration of Eu^(3+)ions in BaLiZn_(3)(BO_(3))_(3)is determined to be about 3 mol%,and the concentration-quenching phenomenon arise from the electric dipole-dipole interaction.The temperature dependent luminescence behavior of BaLiZn_(3)(BO_(3))_(3):0.03 Eu^(3+)phosphor exhibits its good thermal stability,and the activation energy for thermal quenching characteristics is calculated to be 0.1844 eV.The decay lifetime of the BaLiZn_(3)(BO_(3))_(3):0.03 Eu^(3+)is measured to be 1.88 ms.These results suggest that the BaLiZn_(3)(BO_(3))_(3):Eu^(3+)phosphors have the potential application as a red component in white light emitting diodes(WLEDs)with NUV or blue chips.展开更多
为鉴定影响蛋壳色素含量的基因组拷贝数变异,试验以长顺绿壳蛋鸡为研究对象,依据蛋壳表型设置2个试验组:B2 vs B1和B3 vs B1,通过CGH芯片全基因组检测筛选和Ac⁃cuCopyTM多重基因拷贝数检测验证,在全基因组范围内进行鉴定,选择其中12个...为鉴定影响蛋壳色素含量的基因组拷贝数变异,试验以长顺绿壳蛋鸡为研究对象,依据蛋壳表型设置2个试验组:B2 vs B1和B3 vs B1,通过CGH芯片全基因组检测筛选和Ac⁃cuCopyTM多重基因拷贝数检测验证,在全基因组范围内进行鉴定,选择其中12个注释功能基因开展关联验证。结果显示:两个试验组分别检测到绿壳表型差异关联区域22个和24个;腺苷酸环化酶10(ADCY10)基因拷贝数变异与原卟啉色素含量呈极显著负相关(R=-0.424,P=0.001),与胆绿素色素含量呈显著正相关(R=0.299,P=0.018)。研究提示,ADCY10基因可能是影响蛋壳中不同色素含量的关键基因之一。展开更多
基金Project supported by the National Key R&D Program of China(2019YFA0709101)National Natural Science Foundation of China(52072364,51902305)the Fund for Creative Research Groups(21221061)。
文摘A series of novel red-emitting BaLiZn_(3)(BO_(3))_(3):Eu^(3+)phosphors were synthesized through the high temperature solid state reaction method.The phase composition,crystal structure,morphology and photo luminescence property of the BaLiZn_(3)(BO_(3))_(3):Eu^(3+)samples were systematically investigated.The phosphor can be efficiently excited by the near ultraviolet light(NUV)of 396 nm and blue light of 466 nm,and give out red light emission at 618 nm corresponding to the electric dipole transition(^(5)D_(0)→^(7)E_(2)).The optimal doping concentration of Eu^(3+)ions in BaLiZn_(3)(BO_(3))_(3)is determined to be about 3 mol%,and the concentration-quenching phenomenon arise from the electric dipole-dipole interaction.The temperature dependent luminescence behavior of BaLiZn_(3)(BO_(3))_(3):0.03 Eu^(3+)phosphor exhibits its good thermal stability,and the activation energy for thermal quenching characteristics is calculated to be 0.1844 eV.The decay lifetime of the BaLiZn_(3)(BO_(3))_(3):0.03 Eu^(3+)is measured to be 1.88 ms.These results suggest that the BaLiZn_(3)(BO_(3))_(3):Eu^(3+)phosphors have the potential application as a red component in white light emitting diodes(WLEDs)with NUV or blue chips.
文摘为鉴定影响蛋壳色素含量的基因组拷贝数变异,试验以长顺绿壳蛋鸡为研究对象,依据蛋壳表型设置2个试验组:B2 vs B1和B3 vs B1,通过CGH芯片全基因组检测筛选和Ac⁃cuCopyTM多重基因拷贝数检测验证,在全基因组范围内进行鉴定,选择其中12个注释功能基因开展关联验证。结果显示:两个试验组分别检测到绿壳表型差异关联区域22个和24个;腺苷酸环化酶10(ADCY10)基因拷贝数变异与原卟啉色素含量呈极显著负相关(R=-0.424,P=0.001),与胆绿素色素含量呈显著正相关(R=0.299,P=0.018)。研究提示,ADCY10基因可能是影响蛋壳中不同色素含量的关键基因之一。
