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Fabrication of the CZTSSe solar cell based on co-evaporation
Na Kyoung Youn(윤나경),Jihye Gwak(곽지혜),Jae Ho Yun(윤재호),Young-Joo Eo(어영주),Kihwan Kim(김기환),Joo Hyung Park(박주형),Se Jin Ahn(안세진),Jin Su Yoo(유진수),Seung Kyu Ahn(안승규),Jun Sik Cho(조준식),Ara Cho(조아라),Dong Hwan Kim 한국신재생에너지학회 2017 한국신재생에너지학회 학술대회논문집 Vol.2017 No.9
Fabrication of SnS Thin Film for Solar Cell Application Using Nano-particle Precursor
Na Kyoung Youn(윤나경),SeJin Ahn(안세진),Ara Cho(조아라),Jihye Gwak(곽지혜),Kyunghoon Yoon(윤경훈),Keeshik Shin(신기식),Seung Kyu Ahn(안승규),Jun Sik Cho(조준식),Joo Hyung Park(박준형),Jin Soo Yoo(유진수),Kihwan Kim(김기환),Jae Ho Yu 한국신재생에너지학회 2016 한국신재생에너지학회 학술대회논문집 Vol.2016 No.11
국내 양돈장에서 돼지글래셔병을 동반한 PMWS에 대한 M+ parapac(R)의 방어효과
안나경 ( Na Kyoung Ahn ),서태원 ( Tae Won Seo ),정현규 ( Hyun Kyu Jeong ),윤병일 ( Byung Il Yoon ),한정희 ( Jeong Hee Han ) 한국가축위생학회 2008 韓國家畜衛生學會誌 Vol.31 No.3
The purpose of this study was to evaluate the efficacy and cross-protection of serovar 12 against serovar 4 or 5 of H parasuis with M+Parapac(R). A total of 141 piglets from 2(A and B) farms were used and divided into experimental group and control group in each farm. Farm A has been detected H parasuis serovar 12, whereas farm B has been detected H parasuis serovar 4 or 5 from post-weaned pigs with PMWS. The piglets were vaccinated intramuscularly with 2.0ml of M+Parapac(R) in experimental group or normal saline in control group at 1 week of age. A same booster dose was given at 3 weeks of age. In order to value the antibody titer to H parasuis using by tube agglutination test, blood samples were collected from piglets at the aged of 1 week, 6 and 14 weeks. In experimental group and control group, the average antibody titers were 32.5±21.0, 114.5±34.0, 98.1±55.4 and 32.9±18.6, 25.8±36.9, 746.7±1,215.8 at the aged of 1 week, 6 and 14 weeks, respectively. The cumulative clinical sign indexes by standard guideline of Schering-Plough Animal Health Corp were 486 and 1,069, respectively. The average daily gains and feed conversion rates were 0.553±0.016kg and 0.492±0.004kg, and 1.99 and 2.24, respectively. The average gross lesion scores were 1.0±0.8 and 1.9±0.6, respectively. According to these results, the M+ Parapac(R) containing H parasuis serovar 12 may be induce circulating antibodies that cross-react with serovar 4 or 5 and have a protection of PMWS with H parasuis.
Fabrication of SnS solar cells via facile nanoparticle synthesis based on non-toxic solvents
Youn, Na Kyoung,Jung, Hyo Rim,Gwak, Jihye,Cho, Ara,Ahn, Se Jin,Ahn, Seung Kyu,Kim, Jin Hyeok,Eo, Young-Joo,Kim, Dong Hwan Elsevier 2018 THIN SOLID FILMS - Vol.660 No.-
<P><B>Abstract</B></P> <P>Tin monosulfide (SnS) thin film is one of the most promising absorbers layer for high efficiency solar cells using low cost earth-abundant materials. To fabricate high quality SnS thin films, a simple nanoparticle based approach was employed in this work for phase pure material preparation using non-toxic solvents. Uniform SnS thin films were fabricated via a spin-coating process using phase pure SnS-ORT nanoparticle precursor solutions based on a methanol solvent, followed by post-annealing for grain growth. SnS thin film solar cells were then fabricated and their photovoltaic performance was characterized. The best SnS solar cell fabricated with the as-prepared SnS films with a band gap energy of ~1.25 eV showed a conversion efficiency of 0.12%.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Tin sulfide (SnS) nanoparticles were synthesized using non-toxic solvents. </LI> <LI> The size of SnS nanoparticle was controlled by the molecular structure of solvents. </LI> <LI> A SnS thin film solar cell was fabricated and characterized. </LI> </UL> </P>