Multilayer electronic component
A multilayer electronic component includes a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer; and external electrodes disposed on the body. The dielectric layer includes N-doped polydopamine.
1 . A multilayer electronic component, comprising:
a body including a dielectric layer and internal electrodes alternately disposed with the dielectric layer; and
external electrodes disposed on the body,
wherein the dielectric layer includes N-doped polydopamine,
wherein, in a two-axis graph indicating a relationship between binding energy and spectral intensity by XPS analysis, Nls peak and Cls peak are detected in the dielectric layer, and
wherein, in a two-axis graph indicating a relationship line between spectral intensity and wave number by Raman spectrum analysis, a primary peak having a wave number of 1361 cm −1 or more and 1380 cm −1 or less and a secondary peak having a wave number of 1611 cm −1 or more and 1630 cm −1 or less are detected in the dielectric layer.
2 . The multilayer electronic component of claim 1 , wherein a CIE L* a* b* colorimetric value measured in the dielectric layer satisfies 30<L*<34, −4<a*<−2 and −16<b*<−14.
3 . The multilayer electronic component of claim 1 , wherein the N-doped polydopamine has a plate-shaped structure.
4 . The multilayer electronic component of claim 1 , wherein the dielectric layer further includes polymerized polydopamine.
5 . The multilayer electronic component of claim 1 , wherein intensity of the N1s peak has a maximum value at a binding energy of 395 eV or more and 405 eV or less, and intensity of the C1s peak has a maximum value at a binding energy of 280 eV or more and 290 eV or less.
6 . The multilayer electronic component of claim 1 , wherein a full width at half maximum of the primary peak is 80 cm −1 or more and 90 cm −1 or less, and a full width at half maximum of the secondary peak is 100 cm −1 or more and 110 cm −1 or less.
7 . The multilayer electronic component of claim 1 , wherein the dielectric layer further includes polyvinyl butyral.
8 . The multilayer electronic component of claim 1 , wherein the dielectric layer further includes oxide including Ba and Ti.
9 . The multilayer electronic component of claim 1 , wherein an average thickness of the dielectric layer is 0.35 μm or less.
10 . The multilayer electronic component of claim 1 ,
wherein the internal electrode includes first and second internal electrodes alternately disposed with the dielectric layer in a first direction,
wherein the body includes first and second surfaces opposing in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing in a third direction, and further includes a capacitance forming portion in which the first and second internal electrodes overlap each other in the first direction and form capacitance, and a margin portion disposed on one surface and the other surface of the capacitance forming portion in the third direction, and
wherein the margin portion includes polydopamine.
11 . The multilayer electronic component of claim 10 ,
wherein an adhesive portion is disposed between the margin portion and the capacitance forming portion, and
wherein the adhesive portion includes polydopamine.
12 . A multilayer electronic component, comprising:
a body comprising a dielectric layer and first and second internal electrodes with the dielectric layer therebetween in a first direction, including first and second surfaces opposing in the first direction, third and fourth surfaces connected to the first and second surfaces and opposing in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing in a third direction, and further comprising a capacitance forming portion in which the first and second internal electrodes overlap each other in the first direction and form capacitance, and a margin portion disposed on one surface and the other surface of the capacitance forming portion in the third direction; and
first and second external electrodes disposed on the body to connect to the first and second internal electrodes, respectively,
wherein the margin portion includes N-doped polydopamine,
wherein, in a two-axis graph indicating a relationship between binding energy and spectral intensity by XPS analysis, Nls peak and Cls peak are detected in the margin portion, and
wherein, in a two-axis graph indicating a relationship line between spectral intensity and wave number by Raman spectrum analysis, a primary peak having a wave number of 1361 cm −1 or more and 1380 cm −1 or less and a secondary peak having a wave number of 1611 cm −1 or more and 1630 cm −1 or less are detected in the margin portion.
13 . The multilayer electronic component of claim 12 , wherein the N-doped polydopamine has a plate-shaped structure.
14 . The multilayer electronic component of claim 12 , wherein the margin portion further includes polymerized polydopamine.
15 . The multilayer electronic component of claim 12 , wherein the body further comprises an adhesive portion disposed between the margin portion and the capacitance forming portion and including polydopamine.
16 . The multilayer electronic component of claim 12 , wherein a CIE L* a* b* colorimetric value measured in the margin portion satisfies 30<L*<34, −4<a*<−2 and −16<b*<−14.
17 . The multilayer electronic component of claim 12 , wherein the margin portion further includes polyvinyl butyral.