Elastic α-^(12)C scattering for l=2 and E2 transition of radiativeαcapture on ^(12)C and ^(12)C(α,γ)^(16)O are studied in cluster effective field theory.Owing to the problem in fixing the asymptotic normalization ...Elastic α-^(12)C scattering for l=2 and E2 transition of radiativeαcapture on ^(12)C and ^(12)C(α,γ)^(16)O are studied in cluster effective field theory.Owing to the problem in fixing the asymptotic normalization coefficient(ANC)of the subthreshold 2_(1)^(+)state of ^(16)O or,equivalently,the effective range parameters of the 2_(1)^(+)state,from the elastic scattering data,we introduced the conditions that lead to a large value of the ANC in this study.We also introduced d-wave phase shift data of the elastic scattering up to theαenergy,E_(α)=10MeV,which contain the resonant 2_(4)^(+)state of^(16)O.Applying these conditions,the parameters of the S matrix of the elastic scattering for l=2 were fitted to the phase shift data,and the fitted parameters were employed in the calculation of the astrophysical S_(E2)factor of ^(12)C(α,γ)^(16)O;we extrapolated the S_(E2)factor to the Gamow-peak energy,E_(G)=0.3MeV.We found that the aforementioned conditions lead to significant effects in the observables of the 2_(4)^(+)state of ^(16)O and the estimate of the S_(E2)factor at E_(G)and confirmed that the ANC of the 2_(1)^(+)of^(16)O cannot be determined by the phase shift data for.展开更多
Driven by innovations in the form factor of organic light-emitting diode(OLED)displays,the application scope of OLED technology now encompasses the biomedical field,in addition to its existing application domains of m...Driven by innovations in the form factor of organic light-emitting diode(OLED)displays,the application scope of OLED technology now encompasses the biomedical field,in addition to its existing application domains of mobile phones,televisions,and lighting.This paper introduces an ultrathin,ultraflexible,and high-power bio-OLED patch with perfect waterproofing and an elongation of 2.04%through material and structural design.Furthermore,the OLED patch with a parallel-stacked OLED delivers a high output of 100 mW/cm^(2),achieves a 40%power density improvement compared to glass-based OLEDs using optimized encapsulation,and is suitable for photodynamic therapy owing to its lifetime of 183 h at an intensity of 35 mW/cm^(2).Since OLED patches are required for long-term stable operation in various biomedical applications,we developed an OLED patch with an outcoupling structure using a simple method.The improved OLED patch achieved a 35%increase in light extraction compared to the original OLED patch.展开更多
Wearable electronic devices are being developed because of their wide potential applications and user convenience.Among them,wearable organic light emitting diodes(OLEDs)play an important role in visualizing the data ...Wearable electronic devices are being developed because of their wide potential applications and user convenience.Among them,wearable organic light emitting diodes(OLEDs)play an important role in visualizing the data signal processed in wearable electronics to humans.In this study,textile-based OLEDs were fabricated and their practical utility was demonstrated.The textilebased OLEDs exhibited a stable operating lifetime under ambient conditions,enough mechanical durability to endure the deformation by the movement of humans,and washability for maintaining its optoelectronic properties even in water condition such as rain,sweat,or washing.In this study,the main technology used to realize this textile-based OLED was multi-functional nearroom-temperature encapsulation.The outstanding impermeability of TiO_(2)film deposited at near-room-temperature was demonstrated.The internal residual stress in the encapsulation layer was controlled,and the device was capped by highly crosslinked hydrophobic polymer film,providing a highly impermeable,mechanically flexible,and waterproof encapsulation.展开更多
基金Supported by the National Research Foundation of Korea(NRF)grant funded by the Korean government(MSIT)(2019R1F1A1040362,2022R1F1A1070060,2023R1A2C1003177)the Korean Evaluation Institute of Industrial Technology(KEIT)grant funded by the Korean government(MOTIE)(20022473)。
文摘Elastic α-^(12)C scattering for l=2 and E2 transition of radiativeαcapture on ^(12)C and ^(12)C(α,γ)^(16)O are studied in cluster effective field theory.Owing to the problem in fixing the asymptotic normalization coefficient(ANC)of the subthreshold 2_(1)^(+)state of ^(16)O or,equivalently,the effective range parameters of the 2_(1)^(+)state,from the elastic scattering data,we introduced the conditions that lead to a large value of the ANC in this study.We also introduced d-wave phase shift data of the elastic scattering up to theαenergy,E_(α)=10MeV,which contain the resonant 2_(4)^(+)state of^(16)O.Applying these conditions,the parameters of the S matrix of the elastic scattering for l=2 were fitted to the phase shift data,and the fitted parameters were employed in the calculation of the astrophysical S_(E2)factor of ^(12)C(α,γ)^(16)O;we extrapolated the S_(E2)factor to the Gamow-peak energy,E_(G)=0.3MeV.We found that the aforementioned conditions lead to significant effects in the observables of the 2_(4)^(+)state of ^(16)O and the estimate of the S_(E2)factor at E_(G)and confirmed that the ANC of the 2_(1)^(+)of^(16)O cannot be determined by the phase shift data for.
基金supported by the Technology Innovation Program(20018379Development of high-reliability light-emitting fiber-based woven wearable displays)funded By the Ministry of Trade,Industry&Energy(MOTIE,Korea)supported by the Technology developmentProgram(RS-2024-00469790)funded by the Ministry of SMEs and Startups(MSS,Korea).
文摘Driven by innovations in the form factor of organic light-emitting diode(OLED)displays,the application scope of OLED technology now encompasses the biomedical field,in addition to its existing application domains of mobile phones,televisions,and lighting.This paper introduces an ultrathin,ultraflexible,and high-power bio-OLED patch with perfect waterproofing and an elongation of 2.04%through material and structural design.Furthermore,the OLED patch with a parallel-stacked OLED delivers a high output of 100 mW/cm^(2),achieves a 40%power density improvement compared to glass-based OLEDs using optimized encapsulation,and is suitable for photodynamic therapy owing to its lifetime of 183 h at an intensity of 35 mW/cm^(2).Since OLED patches are required for long-term stable operation in various biomedical applications,we developed an OLED patch with an outcoupling structure using a simple method.The improved OLED patch achieved a 35%increase in light extraction compared to the original OLED patch.
基金supported by the Engineering Research Center of Excellence(ERC)Program supported by the National Research Foundation(NRF),Korean Ministry of Science&ICT(MSIT)(Grant No.NRF-2017R1A5A1014708)the National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIT)(No.NRF-2019R1A2C3010012)+1 种基金the Technology Innovation Program(20000489,Interactive fiber-based wearable display platforms for clothing displays)funded by the Ministry of Trade,Industry&Energy(MOTIE,Korea)the Wearable Platform Materials Technology Center(WMC)funded by the National Research Foundation of Korea(NRF)Grant by the Korean Government(MSIT)(No.2016R1A5A1009926).
文摘Wearable electronic devices are being developed because of their wide potential applications and user convenience.Among them,wearable organic light emitting diodes(OLEDs)play an important role in visualizing the data signal processed in wearable electronics to humans.In this study,textile-based OLEDs were fabricated and their practical utility was demonstrated.The textilebased OLEDs exhibited a stable operating lifetime under ambient conditions,enough mechanical durability to endure the deformation by the movement of humans,and washability for maintaining its optoelectronic properties even in water condition such as rain,sweat,or washing.In this study,the main technology used to realize this textile-based OLED was multi-functional nearroom-temperature encapsulation.The outstanding impermeability of TiO_(2)film deposited at near-room-temperature was demonstrated.The internal residual stress in the encapsulation layer was controlled,and the device was capped by highly crosslinked hydrophobic polymer film,providing a highly impermeable,mechanically flexible,and waterproof encapsulation.