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Publication(2022)

M. J. Paik, J. W. Yoo, J. Park, E. Noh, H. Kim, S. Ji, Y. Y. Kim, S. I. Seok, “SnO2-TiO2 Hybrid electron transport layer for efficient and flexible perovskite solar cells”, ACS Energy Lett., 7, 5, 1864-1870(2022)

S. Heo, D. Y. Lee, D. Lee, Y. Lee, K. Kim, H. Yun, M. J. Paik, T. J. Shin, H. S. Oh, T. Shin, J. Kim, S. H. Kim, S. I. Seok, “Enhancement of piezoelectricity in dimensionally engineered metal-halide perovskites induced by deep level defects”, Adv. Energy Mat., 12, 19, 2200181(2022)

H. Kim, K. S. Lee, M. J. Paik, D. Y. Lee, S. Lee, E. Choi, J. S. Yun, S. I. Seok, “Polymethyl methacrylate as an interlayer between the halide perovskite and copper phthalocyanine layers for stable and efficient perovskite solar cells”, Adv. Functional Mat., 32, 13, 2110473(2022)

J. Lee, S. TAN, S. I. Seok, Y. Yang, N. Park, “Rethinking the A cation in halide perovskite”, Science, 375, 6583(2022)

Publication(2021)

H. Min, D. Y. Lee, J. Kim, G. Kim, K. S. Lee, J. Kim, M. J. Paik, Y. K. Kim, K. S. Kim, M. G. Kim, T. J. Shin, S. I. Seok, “Perovskite solar cells with atomically coherent interlayers on SnO2 electrode”, Nature, 598, 444-450(2021)

S. Gozalzadeh, F. Nasirpouri, S. I. Seok, “Towards environmental friendly multi-step processing of efficient mixed-cation mixed halide perovskite solar cells from chemically bath deposited lead sulphide”, Scientific Reports, 11, 18561(2021)

M. Hu, R. Nie, H. Kim, J. Wu, S. Chen, B. Park, G. Kim, H.W. Kwon, S. I. Seok, “Regulating the surface passivation and residual strain in pure tin perovskite films”, ACS Energy Lett., 6, 10, 3555–3562(2021)

J. W. Yoo, J. Jang, U. Kim, Y. Lee, S.G. Ji, E. Noh, S.T. Hong, M. Choi & S. I. Seok, “Efficient perovskite solar mini-modules fabricated via bar-coating using 2-methoxyethanol-based formamidinium lead tri-iodide precursor solution”, Joule, 5, 2420-2436(2021)

K.Y. Yoon, J. Park, M. Jung, S.G. Ji, H. Lee, J. H. Seo, M.J. Kwak, S. I. Seok, J. H. Lee, J. Jang, “NiFeOx decorated Ge-hematite/perovskite for an efficient water splitting system”, Nature Communications, 12, 4309(2021)

B. Park, H. W. Kwon, Y. Lee, D. Y. Lee, M. G. Kim, G. Kim, K. Kim, Y. Ki. Ki,, J. Im, T. J. Shin, S. I. Seok, “Stabilization of formamidinium lead triiodide α-phase with isopropylammonium chloride for perovskite solar cells”, Nature energy, doi.org/10.1038/s41560-021-00802-z(2021).

S. Gozalzadeh, F. Nasirpouri, S. I. Seok, “Dimethylformamide-free synthesis and fabrication of lead halide perovskite solar cells from electrodeposited Pbs precursor films”, Chem. Engineering Journal., 411, 128460(2021).

R. Nie, M. Hu, A. M. Risqi, Z. Li, S. I. Seok, “Efficient and Stable Antimony Selenoiodide Solar Cells”, Adv. Sci.., 2003172(2021).

R. Nie, K. S. Lee, M. Hu, S. I. Seok, “Strain Tuning via Larger Cation and Anion Codoping for Efficient and Stable Antimony-Based Solar Cells”, Adv. Sci.., 8, 2002391(2021).

S. M. Yoon, H. Min, J. B. Kim, G. Kim, K. S. Lee, S. I. Seok, “Sulface Engineering of Ambient-Air-Processed Cesium Lead Triiodide Layers for Efficient Solar cells”, Joule., 5,183-196(2021).

Publication(2020)

M. J. Paik, Y. Lee, H.-S. Yun, S.-U. Lee, S.-T. Hong, S. I. Seok, “TiO2 colloid-spray coated electron-transporting layers for efficient perovskite solar cells”, Adv. Energy Mater., 2001799 (2020).

G. Kim, H. Min, K. S. Lee, D. Y. Lee, S. M. Yoon, S. I. Seok, “Impact of strain relaxation on performance of formamidinium lead iodide perovskite solar cells”, Science, 370,108-112 (2020)

R. Nie, K. S. Lee, M. Hu, M.-J. Paik, S. I. Seok. “Heteroleptic Tin-Antimony Sulfoiodide for Stable and Lead-Free Solar Cells”, Matter 3, 1-13 (2020).

D. Y. Lee, G. Sivakumar, R. Misra, S. I. Seok, “Carbazole-Based Spiro[fluorene-9,9′-xanthene] as an Efficient Hole-Transporting Material for Perovskite Solar Cells”, ACS Appl. Mater, 12, 28246-28252 (2020).

R. Nie, R. R. Sumukam, S. H. Reddy, M. Banavoth, S. I. Seok, “Lead-free perovskite solar cells enabled by hetero-valent substitutes”, Energy Environ. Sci., 13, 2363-2385 (2020).

J. C. Kim, B. Park, J. Baek, A. Y. Ho-baillie, M. G. Kim, S. I. Seok, “Unveiling the Relationship between the Perovskite Precursor Solution and the Resulting Device Performance”, J. Am. Chem. Soc., 142, 6251-6260 (2020).

S. I. Seok, T-F. Guo, “Halide perovskite materials and devices”, MRS Bulletin, 45, 427-430 (2020).

B. Kim, S. I. Seok, “Molecular aspects of organic cations affecting the humidity stability of perovskites”, Energy Environ. Sci., 13, 805-820 (2020).

R. Nie, S. I. Seok, “Efficient Antimony‐Based Solar Cells by Enhanced Charge Transfer”, Small Methods, 14, 1900698 (2020)

B. Kim, M. Kim, J. Lee, S. I. Seok, “Enhanced Moisture Stability by Butyldimethylsulfonium Cation in Perovskite Solar Cells”, Adv. Sci., 7, 1901840 (2020).

Publication(2019)

H. Kim, S. Lee, D. Lee, M. Paik, H. Na, J. Lee, S. I. Seok, “Optimal Interfacial Engineering with Different Length of Alkylammonium Halide for Efficient and Stable Perovskite Solar Cells”, Adv. Energy Mater., 9, 1902740 (2019).

I. Choi, C. Kim, W. Park, H. Lee, M. Song, K. Hong, S. I. Seok, K. Choi, “Two-terminal mechanical perovskite/silicon tandem solar cells with transparent conductive adhesives “, Nano Energy, 65, 104044 (2019).

H. Min, M. Kim, S. Lee, H. Kim, G. Kim, K. Choi, J. Lee, S. I. Seok, “Efficient, stable solar cells by using inherent bandgap of alpha-phase formamidinium lead iodide”, Science, 366, 749-753 (2019).

S. Kumar, Y. Choi, S. Kang, N. Oh, J. Lee, J. Seo, M. Jeong, H. Kwon, S. I. Seok, C. Yang, H. Park, “Multifaceted Role of a Dibutylhydroxytoluene Processing Additive in Enhancing the Efficiency and Stability of Planar Perovskite Solar Cells”, ACS Appl. Mater. Interfaces, 11, 38828-38837 (2019).

R. Pandey, G. vats, J. YUn, Chris R. Bowen, Anita W.Y.Ho-baillie, J. Seidel, K. T. Butler, S. I. Seok, “Mutual Insight on Ferroelectrics and Hybrid Halide Perovskites: A Platform for Future Multifunctional Energy Conversion”, Adv. Mater., 31, 1807376 (2019).

H. Yun, B. Park, Y. Choi, J. Im, T. Shin, S. I. Seok, “Efficient Nanostructured TiO2/SnS Heterojunction Solar Cells”, Adv. Energy mater., 9, 1901343 (2019).

B. Park, D. Lee, D. Jung, W. Yang, T. Yu, T. Shin, J. Baik, C. Hwang, E. Kim, S. I. Seok, “Long-Term Chemical Aging of Hybrid Halide Perovskites”, Nano Lett., 19, 5604-5611 (2019).

S. Shin, S. Lee, S. I. Seok, “Metal Oxide Charge Transport Layers for Efficient and Stable Perovskite Solar Cells”, Adv. Functional Mater., 29, 1900455 (2019).

R. Nie, J. Im, S. I. Seok, “Efficient Solar Cells Employing Light‐Harvesting Sb0.67Bi0.33SI”, Adv. Mater., 31, 1808344 (2019).

H. Min, G. Kim, M. J. Paik, S. Lee, W. S. Yang, M. Jung, S. I. Seok, “Stabilization of Precursor Solution and Perovskite Layer by Addition of Sulfur”, Adv. Energy Mater., 9, 1803476 (2019).

B.‐w. Park, S. I. Seok,” Intrinsic Instability of Inorganic–Organic Hybrid Halide Perovskite Materials”, Adv. Mater., 31, 1805337 (2019).

S. S. Shin, J. H. Suk, B. J. Kang, W. Yin, S. J. Lee, J. H. Noh, T. K. Ahn, F. Rotermund, I. S. Cho, S. I. Seok, “Energy-level engineering of the electron transporting layer for improving open-circuit voltage in dye and perovskite-based solar cells”, Energy Environ. Sci., 12, 958-964 (2019).

M. Jung, S.-G. Ji, G. Kim, S. I. Seok, “Perovskite precursor solution chemistry: from fundamentals to photovoltaic applications”, Chem. Soc. Rev., 48, 2011-2-38 (2019).

S. S. Shin, S. J. Lee, S. I. Seok, “Exploring wide bandgap metal oxides for perovskite solar cells”, APL Materials, 7, 2, 022401 (2019).

Publications(~2018)

A. Mehta, J. Im, B. Kim, H. Min, R. Nie, S. I. Seok, “Stabilization of Lead-Tin-Alloyed Inorganic-Organic Halide Perovskite Quantum Dots”, ACS Nano, 12, 12129-12139 (2018).

Y. Rong, Y. Hu, A. Mei, H. Tan, Makhsud I, Saidaminov, S. I. Seok, M. MeGehee, E. Sargent and H. Han, “ Challenges for commercializing perovskite solar cells”, Science, 361, 6408 (2018).

R. Nie, B. Kim, S. Hong, S. I. Seok, “Nanostructured Heterojunction Solar Cells Based on Pb2SbS2I3: Linking Lead Halide Perovskites and Metal Chalcogenides”, ACS Energy Lett, 3, 2376-2382 (2018).

Q. Zhou, J. G. Park, R. Nie, A. K. Thokchom, D. Ha, J. Pan, S. I. Seok, T. Kim*, “Nanochannel-Assisted Perovskite Nanowires: From Growth Mechanisms to Photodetector Applications”,ACS Nano, 12, 8406-8414 (2018).

N. J. Jeon, H. Na, E. H. Jung, T.-Y. Yang, Y. G. Lee, G. Kim, H.-W. Shin, S. I. Seok, J. Lee, J. Seo, “A fluorene-terminated hole-transporting material for highly efficient and stable perovskite solar cells”, Nature Energy, 3, 682-689 (2018).

B. Park, N. Kedem, M. Kulbak, D. Y. Lee, W. S. Yang, N. J. Jeon, J. Seo, G. Kim, K. J. Kim, T. J. Shin, G. Hodes*, D. Cahen, S. I. Seok, “Understanding how excess lead iodide precursor improves halide perovskite solar cell performance”, Nature Comm., 9:3301 (2018)
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M. Jung, T. J. Shin, J. Seo, G. Kim, S. I. Seok, “Structural features and their functions in surfactant-armoured methylammonium lead iodide perovskites for highly efficient and stable solar cells”, Energy Environ. Sci., 1, 2188-2197 (2018).

S. I Seok, M. Grätzel, N. G. Park, “Methodologies toward Highly Efficient Perovskite Solar Cells”, Small, 14, 1704177 (2018)

Y. I. Lee, N. J. Jeon, B. J. Kim, H. Shim, T.‐Y. Yang, S. I. Seok, J. Seo, S. G. Im, “A Low‐Temperature Thin‐Film Encapsulation for Enhanced Stability of a Highly Efficient Perovskite Solar Cell”, Adv. Energy Mater. 8, 1701928 (2018).

R. Nie, Yun, H., Paik, M., Mehta, A., Park, B., Choi, Y. C., & Seok, S. I., “Efficient Solar Cells Based on Light-Harvesting Antimony Sulfoiodide”, Adv. Energy Mater, 8, 1701901 (2018).

R. Nie, Mehta, A., Park, B., Kwon, H., Im, J., & Seok, S. I., “Mixed Sulfur and Iodide-Based Lead-Free Perovskite Solar Cells”, J. Am. Chem. Soc., 140, 872–875 (2018).

Lee, S. J., Shin, S. S., Im, J., Ahn, T. K., Noh, J. H., Jeon, N. J., Seok, S. I., Seo, J. “Reducing Carrier Density in Formamidinium Tin Perovskites and Its Beneficial Effects on Stability and Efficiency of Perovskite Solar Cells”, ACS Energy Letters, 3, 46-53 (2018).

Park, B., Zhang, X., Johansson, E. M., Hagfeldt, A., Boschloo, G., Seok, S. I., & Edvinsson, T. “Analysis of crystalline phases and integration modelling of charge quenching yields in hybrid lead halide perovskite solar cell materials”, Nano Energy, 40, 596-606 (2017)

Y. C. Kim, T.-Y. Yang, N. J. Jeon, J. Im, S. Jang, T. J. Shin, H.-W. Shin, S. Kim, E. Lee, S. Kim, J. H. Noh, S. I. Seok, J. Seo*, “Engineering interface structures between lead halide perovskite and copper phthalocyanine for efficient and stable perovskite solar cells”, Energy Environ. Sci., 10, 2109-2116 (2017)

W. S. Yang, B.-W. Park, E. H. Jung, N. J. Jeon, Y. C. Kim, D. U. Lee, S. S. Shin, J. Seo, E. K. Kim, J. H. Noh, S. I. Seok, “Iodide management in formamidinium lead halide-based perovskite layers for efficient solar cells”, Science, 356, 167–171 (2017)

S. S. Shin, E. J. Yeom, W. S. Yang, S. Hur, M. G. Kim, J. Im, J. Seo, J. H. Noh,S. I. Seok, “Colloidally prepared La-doped BaSnO3 electrodes for efficient, photostable perovskite solar cells”, Science, 356, 1376–1379 (2017)

Sheng Chen, Xiaoming Wen, Jae S. Yun, Shujuan Huang, Martin Green, Nam Joong Jeon, Woon Seok Yang, Jun Hong Noh, Jangwon Seo, Sang Il Seok, and Anita Ho-Baillie, “Spatial Distribution of Lead Iodide and Local Passivation on Organo-Lead Halide Perovskite”, ACS Appl. Mater. Interfaces, 9, 7, 6072-6078 (2017)

Eun Joo Yeom, Seong Sik Shin, Woon Seok Yang, Seon Joo Lee, Wenping Yin, Dasom Kim, Jun Hong Noh, Tae Kyu Ahn and Sang IlSeok, “Controllable synthesis of single crystalline Sn-based oxides and their application in perovskite solar cells”, J. Mater. Chem. A., 5, 79-86 (2017)

I. Cho, N. J. Jeon, O. K. Kwon, D. W. Kim, E. H. Jung, J. H. Noh, J. Seo, S. I. Seok, S. Y. Park, “Indolo[3,2-b]indole-based crystalline hole-transporting material for highly efficient perovskite solar cells”, Chemical Science, 8, 734-741 (2017)

G. Mondal, A. Santra, P. Bera, M. Acharjya, S. Jana, D. Chattopadhyay, A. Mondal, S. I. Seok, P. Bera, “A pyrazolyl-based thiolato single-source precursor for the selective synthesis of isotropic copper-deficient copper(I) sulfide nanocrystals: synthesis, optical and photocatalytic activity”, J Nanopart Res, 18:311 (2016)

M. Jung, Y. C. Kim, N. J. Jeon, W. S. Yang, J. Seo, J. H. Noh, S. I. Seok, “Thermal Stability of CuSCN Hole Conductor‐Based Perovskite Solar Cells”, CHEMSUSCHEM, 9, 18, 2592-2596 (2016)

J. S. Yun, J. Seidel, J. Kim, A. M. Soufiani, S. Huang, J. Lau, N. J. Jeon, S. I. Seok, M. A. Green, A. H.-Baillie, “Critical Role of Grain Boundaries for Ion Migration in Formamidinium and Methylammonium Lead Halide Perovskite Solar Cells”, Adv. Energy Mater. , 6, 13, 1600330 (2016)

S. S. Shin, W. S. Yang, E. J. Yeom, S. J. Lee, N. J. Jeon, Y.-C. Joo, I. J. Park, J. H. Noh, S. I. Seok, “Tailoring of Electron-Collecting Oxide Nanoparticulate Layer for Flexible Perovskite Solar Cells”, J. Phys. Chem. Lett., 7, 10, 1845-1851 (2016)

S. J. Lee, S. S. Shin, Y. C. Kim, D. Kim, T. K. Ahn, J. H. Noh, J. Seo, and S. I. Seok, “Fabrication of Efficient Formamidinium Tin Iodide Perovskite Solar Cells through SnF2−Pyrazine Complex”, J. Am. Chem. Soc., 138, 3974−3977 (2016)

J. Seo, J. H. Noh, S. I. Seok, “Rational strategies for efficient perovskite solar cells”, Acc. Chem. Res., 49, 562–572 (2016)

Y. C. Kim, N. J. Jeon, J. H. Noh, W. S. Yang, J. Seo, J. S. Yun, A. Ho-Baillie, S. Huang, M. A. Green, J. Seidel, T. K. Ahn, S. I. Seok, “Beneficial Effects of PbI2 Incorporated in Organo-Lead Halide Perovskite Solar Cells”, Adv. Energy Mater. 6, 1502104 (2016)

W. S. Yang, J. H. Noh, N. J. Jeon, Y. C. Kim, S. Ryu, J. Seo, S. I. Seok, “High-performance Photovoltaic Perovskite Layers Fabricated through Intramolecular Exchange”, Science, 348, 1234-1237 (2015).

S. S. Shin, W. S. Yang, J. H. Noh, J. H. Suk, N. J. Jeon, J. H. Park, J. S. Kim, W. M. Seong,S. I. Seok, “High-performance flexible perovskite solar cells exploiting Zn2SnO4 prepared in solution below 100°C”, Nature Comm., 6:7410, 1~8 (2015).

J. H. Park, J. Seo, S. Park, S. S. Shin, Y. C. Kim, N. J. Jeon, H.-W. Shin, T. K. Ahn, J. H. Noh, S. C. Yoon, C. S. Hwang, S. I. Seok, “Efficient CH3NH3PbI3 Perovskite Solar Cells Employing Nanostructured p-type NiO Electrode Formed by a Pulsed Laser Deposition”, Adv. Mater. 27, 4013-4019 (2015).

4) Y. C. Choi,S. I. Seok, Efficient Sb2S3-Sensitized Solar Cells via Single-Step Deposition of Sb2S3 Using S/Sb-Ratio-Controlled SbCl3-Thiourea Complex Solution, Adv. Funct. Mater., 25, 2892–2898 (2015).

N. J. Jeon, J. H. Noh, W. S. Yang, Y. C. Kim, S. Ryu, J. S. I. Seok, Seok, “Compositional engineering of perovskite materials for high-performance solar cells”, Nature, 517, 476-480 (2015).

N. J. Jeon, J. H. Noh, Y. C. Kim, W. S. Yang, S. Ryu, S. I. Seok, “Solvent-engineering for high performance inorganic-organic hybrid perovskite solar cells”, Nature Materials,13, 897-903 (2014).

Y. C. Choi, T. N. Mandal, W. S. Yang, Y. H. Lee, S. H. Im, J. H. Noh, S. I. Seok,“Sb2Se3-Sensitized Inorganic-Organic Heterojunction Solar Cells Fabricated using a Single-Source Precursor”, Angew. Chem. Int. Ed. 53, 1329-1333 (2014).

N. J. Jeon, H. G. Lee, Y. C. Kim, J. Seo, J. H. Noh, J. Lee, S. I. Seok, “o-Methoxy Substituents in Spiro–OMeTAD for Efficient Inorganic–Organic Hybrid Perovskite Solar Cells”, J. Am. Chem. Soc. 136, 7837−7840 (2014).

S. Ryu, J. H. Noh, N. J. Jeon, Y. C. Kim, W. S. Yang, J. Seo, S. I. Seok, “Voltage Output of Efficient Perovskite Solar Cells with high Open-Circuit Voltage and Fill Factor”, Energy Environ. Sci. 7, 2614-2618 (2014).

J. Seo, S. Park, Y. C. Kim, N. J. Jeon, J. H. Noh, S. C. Yoon, S. I. Seok, “Benefits of Very Thin PCBM and LiF Layer for Solution-Processed P-I-N Perovskite Solar Cells”, Energy Environ. Sci. 7, 2642-2646 (2014).

Y. C. Choi, Y. H. Lee, S. H. Im, J. H. Noh, T. N. Mandal, W. S. Yang, S. I. Seok, “Efficient Inorganic-Organic Heterojunction Solar Cells employing Sb2(Sx/Se1-x)3 Graded-Composition Sensitizers”, Adv. Energy Mater. 4, 1301680 (2014).

Y. C. Choi, D. U. Lee, J. H. Noh, E. K. Kim, S. I. Seok, “Highly improved Sb2S3sensitized-inorganic-organic heterojunction solar cells and quantification of traps by deep-level transient spectroscopy”, Adv. Funct. Mater. 24, 3587-3592(2014).

J. H. Heo, S. H. Im, J. H. Noh, T. N. Mandal, C.-S. Lim, J. A. Chang, Y. H. Lee, H.-j. Kim, A. Sarkar, M. K. Nazeeruddin, M. Gra¨tzel, S. I. Seok, “Efficient inorganic-organic hybrid heterojunction solar cells containing perovskite compound and polymeric hole conductors”, Nature Photonics, 7, 486-491 (2013).

J. H. Noh, S. H. Im, J. H. Heo, T. N. Mandal,S. I. Seok, “Chemical Management for Colourful, Efficient, and Stable Inorganic-Organic Hybrid Nanostructured Solar Cells”, Nano Lett., 13, 1764-1769 (2013).

J. A. Chang, S. H. Im, Y. H. Lee, H.-j. Kim, C.-S. Lim, J. H. Heo, S. I. Seok, “Panchromatic Photon-Harvesting by Hole-Conducting Materials in Inorganic−Organic Heterojunction Sensitized-Solar Cell through the Formation of Nanostructured Electron Channels”, Nano Lett. 12, 1863−1867 (2012).