Search Results - "Yoon, KyungHoon"

Fabrication and characterization of cost-efficient CuSbS2 thin film solar cells using hybrid inks by Banu, Shahara, Ahn, Se Jin, Ahn, Seung Kyu, Yoon, Kyunghoon, Cho, Ara

“…CuSbS2 (CAS) thin films were fabricated by non-toxic, low-cost and simple non-vacuum methods using hybrid inks, which is a well-known method for fabricating…”
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Determination of band gap energy (Eg) of Cu2ZnSnSe4 thin films: On the discrepancies of reported band gap values by Ahn, SeJin, Jung, Sunghun, Gwak, Jihye, Cho, Ara, Shin, Keeshik, Yoon, Kyunghoon, Park, Doyoung, Cheong, Hyeonsik, Yun, Jae Ho

“…We demonstrate experimental data to elucidate the reason for the discrepancies of reported band gap energy (Eg) of Cu2ZnSnSe4 (CZTSe) thin films, i.e., 1.0 or…”
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CuInSe2 (CIS) Thin Film Solar Cells by Direct Coating and Selenization of Solution Precursors by Ahn, SeJin, Kim, ChaeWoong, Yun, Jae Ho, Gwak, Jihye, Jeong, Sunho, Ryu, Beyong-Hwan, Yoon, KyungHoon

“…CuInSe2 (CIS) absorber layer was formed by a direct nonvacuum coating and a subsequent selenization of precursor solutions of Cu(NO3)2 and InCl3 dissolved in…”
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Effects of Ga contents on properties of CIGS thin films and solar cells fabricated by co-evaporation technique by Jung, Sunghun, Ahn, SeJin, Yun, Jae Ho, Gwak, Jihye, Kim, Donghwan, Yoon, Kyunghoon

“…This study examined the effects of Ga content in the CIGS absorber layer on the properties of the corresponding thin films and solar cells fabricated using a…”
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Carbon-Impurity Affected Depth Elemental Distribution in Solution-Processed Inorganic Thin Films for Solar Cell Application by Rehan, Shanza, Kim, Ka Young, Han, Jeonghyeob, Eo, Young-Joo, Gwak, Jihye, Ahn, Seung Kyu, Yun, Jae Ho, Yoon, KyungHoon, Cho, Ara, Ahn, SeJin

“…A common feature of the inorganic thin films including Cu­(In,Ga)­(S,Se)2 fabricated by nonvacuum solution-based approaches is the doubled-layered structure,…”
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The growth of Cu2−xSe thin films using nanoparticles by Cho, Ara, Ahn, SeJin, Yun, Jae Ho, Gwak, Jihye, Ahn, Seung Kyu, Shin, Keeshik, Yoo, Jinsu, Song, Hyunjoon, Yoon, Kyunghoon

“…For low-cost fabrication applications, Cu2−xSe thin films were fabricated by a non-vacuum process and were then characterized in terms of quality. Cu–Se…”
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Facile Microwave-Assisted Synthesis of Multiphase CuInSe2 Nanoparticles and Role of Secondary CuSe Phase on Photovoltaic Device Performance by Seo, Yeong-Hui, Lee, Byung-Seok, Jo, Yejin, Kim, Han-Gyeol, Choi, Youngmin, Ahn, SeJin, Yoon, KyungHoon, Woo, Kyoohee, Moon, Jooho, Ryu, Beyong-Hwan, Jeong, Sunho

“…Multiphase CuInSe2 (CISe) nanoparticles including the secondary CuSe phase are synthesized by a polyol-based, microwave-assisted solvothermal method. It is…”
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Effects of heat treatments on the properties of Cu(In,Ga)Se2 nanoparticles by AHN, Sejin, KIM, Chaewoong, YUN, Jaeho, LEE, Jeongchul, YOON, Kyunghoon

“…Effects of heat treatment in nitrogen or Se atmosphere on the properties of Cu(In,Ga)Se2 (CIGS) nanoparticles were investigated to extract optimum sintering…”
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High transmittance and low resistive ZnO:Al films for thin film solar cells by Yoo, Jinsu, Lee, Jeonghul, Kim, Seokki, Yoon, Kyunghoon, Park, I. Jun, Dhungel, S.K., Karunagaran, B., Mangalaraj, D., Yi, Junsin

“…Transparent conductive oxides (TCO) are indispensable as front electrode for most of the thin film solar cells. Thin films of aluminum-doped zinc oxide…”
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Random reactive ion etching texturing techniques for application of multicrystalline silicon solar cells by Yoo, Jinsu, Cho, Jun-Sik, Ahn, SeJin, Gwak, Jihye, Cho, Ara, Eo, Young-Joo, Yun, Jae-Ho, Yoon, Kyunghoon, Yi, Junsin

“…To maximize the conversion efficiency of solar cells by improving the trapping of incident light, surface texturing of multicrystalline silicon wafers is a…”
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Cu(In,Ga)Se2 thin film solar cells from nanoparticle precursors by Ahn, SeJin, Kim, KiHyun, Yoon, KyungHoon

“…A non-vacuum process for Cu(In,Ga)Se2 (CIGS) thin film solar cells from nanoparticle precursors was described in this work. CIGS nanoparticle precursors was…”
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Detection of secondary phases in co-evaporated Cu2ZnSnSe4 thin films by Raman spectroscopy by Dahyun Nam, Gansukh, Mungunshagai, Hye Rim Choi, Jihye Gwak, SeJin Ahn, Jae Ho Yun, Kyunghoon Yoon, Hyeonsik Cheong

“…We prepared CZTSe thin films by the co-evaporation method. In order to investigate the presence of various kinds of secondary phases, we also prepared…”
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Facile microwave-assisted synthesis of multiphase CuInSe2 nanoparticles and the role of secondary CuSe phase on photovoltaic device performance by Yeong-Hui Seo, Byung-Seok Lee, Yejin Jo, Youngmin Choi, SeJin Ahn, KyungHoon Yoon, Kyoohee Woo, Jooho Moon, Beyong-Hwan Ryu, Sunho Jeong

“…Multiphase CuInSe 2 (CISe) nanoparticles including the secondary CuSe phase are synthesized by a polyol-based, microwave-assisted solvothermal method. The…”
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Spectroscopic imaging study on CIGS thin film solar cells by Dahyun Nam, Doyoung Park, Sunghun Jung, Jihye Gwak, Sejin Ahn, Jae Ho Yun, Kyunghoon Yoon, Hyeonsik Cheong

“…Cu(In 1-x Ga x )Se (CIGS) based thin film solar cells are usually built by depositing CdS as a buffer layer and ZnO as a window layer on top of the CIGS…”
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In-situ monitoring technique for growth of CdS layer by quartz crystal microbalance by JaeHo Yun, SeJin Ahn, JeongChul Lee, KyungHoon Yoon

“…Quartz Crystal Microbalance (QCM) was applied to chemical bath deposition (CBD) process to improve the controllability of the CdS deposition and to get more…”
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Band gap determination of Cu2ZnSnSe4 thin films by SeJin Ahn, Sunghun Jung, Jihye Gwak, Ara Cho, Keesik Shin, Kyunghoon Yoon, Jae Ho Yun

“…We demonstrate experimental data to elucidate the reason for the discrepancies of reported band gap energy (E g ) of Cu 2 ZnSnSe 4 (CZTSe) thin films, i.e.,…”
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Growth of sprayed CIS film and post-sulfurization effects by Dong-Yeup Lee, Hyesun Yoo, Ki-Bong Song, Jae Ho Yun, Kyunghoon Yoon, JunHo Kim

“…We studied CuInS 2 (CIS) film growth using high electrostatic field assisted ultrasonic spray deposition. All the sprayed CIS films were observed to be grown…”
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Characteristics of Cu(In,Ga)Se 2 (CIGS) thin films deposited by a direct solution coating process by Park, MyoungGuk, Ahn, SeJin, Yun, Jae Ho, Gwak, Jihye, Cho, Ara, Ahn, SeoungKyu, Shin, Keeshik, Nam, Dahyun, Cheong, Hyeonsik, Yoon, Kyunghoon

“…► Double layered CIGS/carbon films prepared by a direct solution coating. ► Controllability of compositions of the CIGS layer. ► Effects of Cu and Ga contents…”
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Effects of heat treatments on the properties of Cu(In,Ga)Se 2 nanoparticles by Ahn, SeJin, Kim, ChaeWoong, Yun, JaeHo, Lee, JeongChul, Yoon, KyungHoon

“…Effects of heat treatment in nitrogen or Se atmosphere on the properties of Cu(In,Ga)Se 2 (CIGS) nanoparticles were investigated to extract optimum sintering…”
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Optical characterization of Cu2ZnSnSe4 grown by thermal co-evaporation by PARK, Doyoung, NAM, Dahyun, JUNG, Sunghun, AN, Sejin, GWAK, Jihye, YOON, Kyunghoon, JAE HO YUN, CHEONG, Hyeonsik

“…Cu2ZnSnSe4 thin films with different substrate temperature and Cu flux were grown by thermal co-evaporation. Raman scattering, photoluminescence, and…”
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