Dr. Kumar Sudhir

Papers in international peer-reviewed journals

 

44. Design and synthesis of asymmetric Au(III) complexes exhibiting bright anisotropic emission for high-performance organic light-emitting diodes, H.-H. Kuo, Sudhir Kumar, R. L. Omongos, M. T. do Casal, M. E. Usteri, M. Worle, and D. Escudero, C.-J. Shih, Adv. Optical Mater.2023, 2202519. 

43. Machine learning-assisted exploration of a universal polymer platform with charge transfer-dependent full-color emission, S. Ye, N. Meftahi, I. Lyskov, T. Tian, Sudhir Kumar, A. J. Christofferson, D. A. Winkler, C.-J. Shih, S. Russo, J.-C. Leroux, Y. Bao, Chem 2023, 9, 924. link

42. Anisotropic nanocrystal superlattices overcoming intrinsic light outcoupling efficiency limit in perovskite quantum dot light-emitting diodes, Sudhir Kumar, T. Marcato, F. Krumeich, Y.-T. Li, Y.-C. Chiu, C.-J. Shih, Nature Communications, 2022, 13, 2106. link

41.  Tuning multicolor emission from a single fluorophore via controlled radical polymerization-mediated charge transfer, S. Ye, T. Tian, AJ Christofferson, S. Erikson, J. Jagielski, Z. Luo, Sudhir Kumar, C.-J. Shih, J.-C. Leroux, Y. bao, Science Advances, 2021, 7, eabd1794. link

40. State of the Art and Prospects for Halide Perovskite Nanocrystals, A. Dey, J. Ye, A. De, E. Debroye, S. K. Ha, E. Bladt, A. S. Kshirsagar, Z. Wang, J. Yin, Y. Wang, L. N. Quan, F. Yan, M. Gao, X. Li, J. Shamsi, T. Debnath, M. Cao, M. A. Scheel, Sudhir Kumar, J. A. Steele, M. Gerhard, L. Chouhan, K. Xu, X.-G. Wu, Y. Li, Y. Zhang, A. Dutta, C. Han, I. Vincon, A. L. Rogach, A. Nag, A. Samanta, B. A. Korgel, C.-J. Shih, D. R. Gamelin, D. H. Son, H. Zeng, H. Zhong, H. Sun, H. V. Demir, I. G. Scheblykin, I. Mora-Seró, J. K. Stolarczyk, J. Z. Zhang, J. Feldmann, J. Hofkens, J. M. Luther, J. Pérez-Prieto, L. Li, L. Manna, M. I. Bodnarchuk, M. V. Kovalenko, M. B. J. Roeffaers, N. Pradhan, O. F. Mohammed, O. M. Bakr, P. Yang, P. Müller-Buschbaum, P. V. Kamat, Q. Bao, Q. Zhang, R. Krahne, R. E. Galian, S. D. Stranks, S. Bals, V. Biju, W. A. Tisdale, Y. Yan, R. L. Z. Hoye, and L. Polavarapu* ACS Nano, 2021.link

39. Ligand-assisted solid-phase synthesis of mixed-halide perovskite nanocrystals for color-pure and efficient electroluminescence, S. F. Solari, Sudhir Kumar, J. Jagielski, N. M. Kubo, F. Krumeich, and C.-J. Shih, J. Mater. Chem. C, 2021,9, 5771-5778.link

38. Blue electroluminescent metal halide perovskites, Sudhir Kumar,  C.-J. Shih, J. Appl. Phys. 2020, 128. link

37. Phosphorescent k3- (N ^ C ^ C) -Gold (III) complexes: Synthesis, photophysics, computational studies and application to solution-processable OLEDs, H. Beucher *,  Sudhir Kumar *, R. Kumar, E. Merino, W.-H. Hu, G. Stemmler, SC-Galisteo, JA González, L. Bezinge, J. Jagielski, C.-J. Shih, C. Nevado, Chem. Eur. J. 2020.  link  ( * Authors contributed equally)

36. Highly efficient green solution-processable OLEDs based on a phosphorescent Κ 3 - (N ^ C ^ C) gold (III) -alkynyl complex, H. Beucher *, Sudhir Kumar *, E. Merino, W.-H. Hu, G. Stemmler, SC-Galisteo, JA González, J. Jagielski, C.-J. Shih, C. Nevado, Chem. Mater.  2020, 32, 1605-1611. link  (  *  Authors contributed equally) 

35.  Understanding the ligand Effects on photophysical, optical, and electroluminescent characteristics of hybrid lead halide perovskite nanocrystal solids, Sudhir Kumar,  J. Jagielski, T. Marcato, Sn F. Solari, C.-J. Shih, J. Phys. Chem. Lett.  2019, 10, 24, 7560-7567. link 

34.  Monochromatic light-emitting diodes based on perovskite quantum dots: Challenges and opportunities, SF Solari, Sudhir Kumar, J. Jagielski, C.-J. Shih, J. Soc Inf Display. 2019; 1-12. link

33. Efficient perovskite nanocrystal light-emitting diodes using a benzimidazole-substituted anthracene derivative as the electron transport material, Sudhir Kumar,  T. Marcato, SI Vasylevskyi, J. Jagielski, KM Fromm and C.-Jen Shih, J. Mater. Chem. C, 2019,7, 8938-8945.link

32. Flexible Green Perovskite Light Emitting Diodes, G. Cantarella, Sudhir Kumar, C. Vogt, S. Knobelspies, A. Takabayashi, J. Jagielski, N. Munzenrieder, A. Daus, A. Ferrero, L. Petti, GA Salvatore, P. Lugli, C. -J. Shih, G. Troster,  IEEE Journal of Electronics Devices Society (J-EDS) 2019, 7,  769-775 .link

31. Mixing Entropy-Induced Layering Polydispersity Enabling Efficient and Stable Perovskite Nanocrystal Light-Emitting Diodes, Sudhir Kumar,  J. Jagielski, T. Tian, N. Kallikounis, W.-C. Lee, and C.-J. Shih, ACS Energy Lett. 2019, 4, 118-125.link

30. Ultrapure Green Light-Emitting Diodes Using Colloidal Quantum Wells of Hybrid Lead Halide Perovskites, C.-J. Shih,  Sudhir Kumar,  J. Jagielski, SID Digest,  2018, 49, 214-217.

29. Exploring Near-Infrared Emissive Colloidal Multinary Lead Halide Perovskite Nanocrystals Using an Automated Microfluidic Platform, I. Lignos, V. Morad, Y. Shynkarenko, C. Bernasconi, RM Maceiczyk, L. Protesescu, F. Bertolotti, Sudhir Kumar,  ST Ochsenbein, N. Masciocchi, A. Guagliardi, C.-J. Shih, MI Bodnarchuk, AJ deMello, and MV Kovalenko, ACS Nano,  2018, 12, 5504-5517. 

28. Conformal Deposition of Conductive Single Crystalline Cobalt Silica Layer on Si Wafers via a Molecular Approach, T.-H. Lin, T. Margossian, L.-Q. Zheng, Sudhir Kumar,  I. Morozau, O. Sereda, D. Zemlyanov, C.-J. Shih, R. Zenobi, D. Baudouin, Gi De Micheli, P.-E. Gaillardon, and C. Copéret, Chem. Mater,  2018, Accepted.

27. Colloidal CsPbX3 (X = Cl, Br, I) nanocrystals 2.0: Zwitterionic capping ligands for improved durability and stability, F. Krieg, ST Ochsenbein, S. Yakunin, S. ten Brinck, P. Aellen, A. Suess, B. Clerc, D. Guggisberg, O. Nazarenko, Y. Shynkarenko, Sudhir Kumar,  C.-J. Shih, I. Infante, and MV Kovalenko, ACS Energy Lett. 2018, 3, 641-646.

26. Aggregation-induced emission in lamellar solids of colloidal perovskite quantum wells, J. Jagielski *, Sudhir Kumar *, M. Wang, D. Scullion, R. Lawrence, Y.-T. Li, S. Yakunin, T. Tian, MV Kovalenko, Y.-C. Chiu, EJG Santos, S. Lin and C.-J. Shih,  Science Advances,  2017, 3, eaaq0208.link ( * Authors contributed equally)

25. Design and synthesis of heteroleptic iridium (III) phosphors for efficient organic light-emitting devices, Sudhir Kumar,  KR Surati, R. Lawrence, AC Vamja, S. Yakunin, MV Kovalenko, EJG Santos, CJ Shih, Inor. Chem. , 2017, 56, 15304.link

24. Ultrapure green light-emitting diodes using two-dimensional formamidinium perovskites: Achieving recommendation 2020 color coordinates, Sudhir Kumar , J. Jagielski, K. Nikolaos, Y.-H. Kim, F. Jenny, T.-Tian, Y.-C. Chu, CJ Hofer, WJ Stark, T.-W. Lee, and C.-J. Shih, Nano Lett. , 2017, 17, 5277.link

(Highlighted in Nano Letters as one of the most read articles in September 2017, top 5% of all research outputs scored by Altmetric https://acs.altmetric.com/details/24533177/news, Highlighted by over 40 news portals and blogs )

23. Layer-controlled two-dimensional perovskites: synthesis and optoelectronics, J. Jagielski,  Sudhir Kumar,  W.-Y. Yu, and C.-J. Shih, J. Mater. Chem. C, 2017, 5, 5610-5627 (invited). 

22.  Solution-processable naphthalene and phenyl substituted carbazole core-based hole-transporting materials for efficient organic light-emitting diodes, Sudhir Kumar,  CC An, S. Sahoo, R. Grinieneb, D. Volyniukb, Juozas V. Grazulevicius, S. Grigalevicius, JH Jou, J. Mater. Chem. C , 2017, DOI: 10.1039 / C7TC03049E.

21. Dismantling the "Red Wall" of Colloidal Perovskites: Highly Luminescent Formamidinium and Formamidinium Cesium Lead Iodide Nanocrystals, L. Protesescu, S. Yakunin,  Sudhir Kumar,  J. Baer, F. Bertolotti, N. Masciocchi, A. Guagliardi, M. Grotevent, I. Shorubalko, MI Bodnarchuk, C.-J. Shih, and MV Kovalenko, ACS Nano, 2017, DOI: 10.1021 / acsnano.7b00116.

20.  Low-Temperature Wet Conformal Nickel Silicide Deposition for Transistor Technology through an Organometallic Approach, Lin, T. Margossian, M. De Marchi, M. Thammasack, D. Zemlyanov,  Sudhir Kumar, J. Jagielski, L.-Q. Zheng, C.-J. Shih, R. Zenobi, G. De Micheli, D. Baudouin, P.-E. Gaillardon, and C. Copéret, ACS Appl. Mater. Interfaces, 2017, 9, 4948-4955.

19. Efficient Blue Electroluminescence Using Quantum-Confined Two-Dimensional Perovskites, Sudhir Kumar,  J. Jagielski, S. Yakunin, P. Rice, Y.-C. Chiu, M. Wang, G. Nedelcu, Y. Kim, S. Lin, EJG Santos, MV Kovalenko, and C.-J. Shih, ACS Nano,  2016, 10, 9720-9729.

(Highlighted in ACS Nano as one of the most read articles in November 2016).

18. J.-H. Jou, S. Sahoo,  Sudhir Kumar, H.-H. Yu, P.-H. Fang, M. Singh, G. Krucaite, D. Volyniuk, JV Grazulevicius, S. Grigalevicius, Wet and dry-process feasible carbazole type hosts for highly efficient phosphorescent OLEDs,  J. Mater. Chem. C, 2015, 3, 12297-12307.

17. Carrier modulation layer enhanced organic light-emitting diodes, JH Jou,  Sudhir Kumar, M. Singh, Y.-H. Chen, C.-C. Chen, M.-T. Lee, Molecules, 2015, 20, 13005-13030. (Invited)

16. Highly efficient ultra-deep blue organic light-emitting diodes with a wet and dry-process feasible cyanofluoren acetylene-based emitter, J.H. Jou,  Sudhir Kumar, P.-H. Fang, A. Venkateswararao, KRJ Thomas, J.-J. Shyue, Y.-C. Wang, T.-H. Li, Hui-Huan Yua, J. Mater. Chem. C, 2015, 3, 2182-2194.

(2015 Journal of Materials Chemistry C Hot Papers, 2015 Journal of Materials Chemistry C Most Accessed) 

15. Enabling a blue-light hazard-based light-light organic light-emitting diode, JH Jou,  Sudhir Kumar, CC On, M. Singh, HH Yu, CY Hsieh, YX Lin, CF Sung, CW Wang, Opt Express, 2015, 23 (11), A576. 

14. Approaches for fabricating high-efficiency organic light-emitting diodes, JH Jou,  Sudhir Kumar,  A. Agrawal, T.-H. Li, S. Sahoo, J. Mater. Chem. C, 2015, 3, 2974-3002. 

(JMC C Top Picks Collection: Recent progress in light-emitting diodes, 2015 Journal of Materials Chemistry C Most Accessed Manuscripts, Top 1% cited paper in all RSC journals)

13.  Pseudo-natural light for lighting and display,  JH Jou, K.-Y. Chou, F.-C. Yang, C.-H. Hsieh,  Sudhir Kumar , A. Agrawal, S.-Z. Chen, T.-H. Li, H.-H. Yu, Adv. Opt. Mater. , 2015, 3, 95-102.

12. Enabling high-efficiency organic light-emitting diodes with a cross-linkable electron, confining hole transporting material, JH Jou, T.-H. Li,  Sudhir Kumar , CC An, A. Agrawal, S.-Z. Chen, P.-H. Fang, G. Krucaite, S. Grigalevicius, J. Grazulevicius, and C.-F. Sung, Org. Electron. , 2015, 24, 254-262.

11. Phenothiazines decorated carbazoles: effect of substitution pattern on the optical and electroluminescent characteristics, RK Konidena, KRJ Thomas,  Sudhir Kumar, Y.-C. Wang, C.-J. Li, J.-H. Jou, J. Org. Chem. , 2015, 80, 5812-5823.

10. Deep-blue pyrene-benzimidazole conjugates for solution-processed organic light-emitting diodes, D. Karthik, KRJ Thomas, J.-H. Jou,  Sudhir Kumar, Y.-L. Chen, Y.-C. Jou, RSC Advances,  2015, 5, 8727-8738.

9.  Enabling a low circadian rhythm, based on candle-light giving OLEDs, J.-H. Jou, Sudhir Kumar, CC An, SH Chen, SH Shih, SC Lin, SID 2015 DIGEST. (Accepted)

8.  Wet-process feasible novel carbazole-type molecular host for high efficiency phosphorescent organic light emitting diodes, J.-H. Jou,  Sudhir Kumar, D. Tavgeniene, CC An, PH Fang, E. Zaleckas, JV Grazulevicius, S. Grigalevicius, J. Mater. Chem. C, 2014, 2, 8707-8714.

7. Candle light-style OLED: a plausibly human-friendly safe night light, J.-H. Jou, C.-Y. Hsieh, P.-W. Chen,  Sudhir Kumar,  JH Hong, J. Photonic Energy, 2014, 4, 043598.

6. Organic light daylight and orange-white dusk hue, S.-Y. Liao,  Sudhir Kumar , H.-H. Yu, C.-C. An, Y. CW, J.-W. Lin, Y.-L. Wang, Y.-C. Liu, C.-L. Wu, J.-H. Jou, International Journal of Photoenergy, 2014, http://dx.doi.org/10.1155/2014/480829.

5. Sudhir Kumar, J.-H. Jou, C.-Y. Hsieh, Y.-C. Jou, J.-R. Tseng, Physics of Semiconductor Devices, Edited by: VK Jain and A. Verma, Springer International Publishing Switzerland, 2014, [DOI: 10.1007 / 978] 3-319-03002-9_237].

4.  Spirally Configured cis stilbene/fluorene hybrids as bipolar, fluorescent materials for OLED applications, Chen Chen, WS Chao, HW Liu, Y. Wei, JH Jou,  Sudhir Kumar, RSC Advances, 2013, 3, 9381-9390.

3. A physiologically-friendly color-temperature tunable organic light-emitting diode for illumination, Sudhir Kumar, JH Jou, SH Chen, CC Chen, CC Wang, 2013, IDMC-13, DOI: 10.13140 / 2.1.3632.0003.

2. High efficiency very low color temperature phosphorescent organic light-emitting diodes, Sudhir Kumar,  S.-M. Shen, S.-H. Chen, C.-C. Wang, C.-C. Chen, J.-H. Jou, IPCSIT press Singapore, 2012, 28, 117-121.

1. Highly efficient blue organic light emitting diode with an oligomeric host having high triplet energy and high electron mobility, JH Jou, W.-B. Wang, S.-M. Shen,  Sudhir Kumar, IM. Lai, J.-J. Shyue, S. Lengvinaite, R. Zostautiene, JV Grazulevicius, S. Grigalevicius, S.-Z. Chen, C.-C. Wu, J. Mater. Chem. , 2011, 21, 9546-9552.

 

patent

5. Sudhir Kumar, J. Jagielski, C.-J. Shih, Ultra-pure green light emitting diodes, European Patent, EP17179375.5, 2017.

4.  JH Jou,  Sudhir Kumar, KRJ Thomas, Novel light-emitting material, US Patent 9, 287, 508, 2016.

3.  JH Jou,  Sudhir Kumar, KRJ Thomas, Electro-fluorescent emitter for ultra-violet OLED, US patent 9, 346, 756, 2016.

2. JH Jou, Sudhir Kumar, KRJ Thomas, Novel light-emitting material, ROC patent, J4P103097-TW, 103-I-NTHU-103 (TW) 2016.

1. JH Jou, Sudhir Kumar, KRJ Thomas, Electro-fluorescent emitter for ultra-violet OLED, ROC patent, J4P103148-TW, 103-I-NTHU-107 [Application no. 103136829] October 24, 2014.

 

Book Chapters

2. JH Jou, Sudhir Kumar, YC Jou, "Organic light-emitting diodes (OLEDs), Woodhead Publishing Ltd." Disruptive characteristics and lifetime issues of organic light emitting diodes. UK, Edited By; A. Buckley (2012). (ISBN: 13: 978-0-85709-425-4).

1. R. Sharma, KK Kar, MK Das, GK Gupta, Sudhir Kumar, "Short carbon fiber reinforced polycarbonate composites" Chapter 06: Pages: 199, in Composite Materials: Processing, Applications, Characterizations, Springer, Germany, Edited By; Kamal K.Kar, ISBN 978-3-662-49512-4, Year: 2016. (DOI 10.1007 / 978-3-662-49514-8).

 

Conferences       

1.  Sudhir Kumar, YC Jou, WB Wang, JH Jou, S. Grigalevicius, "Oligomeric host-based high-efficiency blue organic light emitting diode" Annual Meeting of Polymer Society, Taichung, Taiwan (Jan. 2011). [Poster]

2.  YC Jou,  Sudhir Kumar, WB Wang, S. Grigalevicius, JH Jou, TY Ting, "High-efficiency Low Color Temperature Organic Light Emitting Diode with Dissolution-Processed Emissive Layer" Annual Meeting of Polymer Society, Taichung, Taiwan (Jan . 2011). [Poster]

3. Sudhir Kumar, WB Wang, JH Jou, JJ Shyue, SZ Chen, "Functionalized polymeric nanodots enhanced highly efficient organic light emitting diode" UK-TW COOPM-2011, Hsinchu, Taiwan (June 2011). [Poster]

4.  Sudhir Kumar, SM Shen, SH Chen, CC Wang, CC Chen, JH Jou, "High efficiency very low color temperature phosphorescent organic light-emitting diodes" ICEOS 2012, Coimbatore, India (Feb. 2012). [Talk]

5.  JH Jou, WB Wang, SM Shen,  Sudhir Kumar, D. Tavgeniene, R. Griniene, R. Zostautiene, S. Grigalevicius, "New Hosts for High-Efficiency Blue Organic Light Emitting Diodes" LOPE-C 2012, Munchen, Germany (June 2012). [Talk]

6.  Sudhir Kumar, YC Jou, CC Wang, CC Chen, JH Jou, "Electron transporting materials effect on the efficiency of a phosphorescent yellow organic light emitting diode" ICFPE-2012, Tokyo, Japan (Spet. 2012). [Talk]

7. Sudhir Kumar, JH Jou, PW Chen, CC Chen, CC Wang, "Organic light-emitting diodes-based physiologically-friendly color temperature tunable lighting" ICMS-2013, Agartala (Tripura University) India (Feb. 2013). [Talk]

8.  Sudhir Kumar, JH Jou, CT Chen, WS Chao, High-efficiency yellow OLEDs using a green light emitting electron transporting material, ISNA15-2013, Taipei, Taiwan (27 Jul-2 Aug 2013) [Poster]

9. Sudhir Kumar, JH Jou, SH Chen, CC Chen, CC Wang, A physiologically-friendly color-temperature-tunable organic light emitting diode for illumination, IDMC-2013, Taipei, Taiwan (27-30 Aug 2013). [Poster]

10.  Sudhir Kumar, JH Jou, CY Hsieh, YC Jou, JR Tseng, An energy-efficient and high color rendering index candle light-style organic light emitting diode for illumination, IWPSD-2013, Noida, India (7-13 Dec. 2013 ). [Talk]

11.  Sudhir Kumar, JH Jou, YL Chen, YM Yang, Effect of electron transporting materials on the efficiency of yellow OLEDs, ICMAP-2013, Dhanbad, India (13-15 Dec. 2013). [Talk]

12th  J.-H. Jou,  Sudhir Kumar , H.-H. Yu, K.-Y. Chou, C.-Y. Hsieh, C.-F. Sung, Enabling a blue-hazard lighting based on candle light-style OLED, OSA Technical Digest. 2014, Canberra, Australia (02-05 Dec. 2014). [Invited talk]

13.  P.-H. Feng,  Sudhir Kumar , J.-H. Jou, Wet-process feasible novel carbazole-type molecular host for high efficiency phosphorescent organic light emitting diodes, Annual Meeting of Polymer Society, Taichung, Taiwan (30-31 Jan. 2015). [Poster]

14th  J.-H. Jou, Sudhir Kumar, C.-C. An, S.-H. Chen, S.-H. Shih, S.-C. Lin, Enabling a Low Circadian Rhythm Impact Lighting on the Basis of Candle Light OLEDs, Display Week SID-2015, San Jose, California (USA). [Talk]

15.  Sudhir Kumar, J.-H. Jou, A. Venkateswararao, KRJ Thomas, J.-J. Shyue, "Novel electro-fluorescent emitter for highly efficient deep-blue organic light-emitting diodes" IDMC-2015, Taipei, Taiwan (25-28 Aug 2015). [Talk]

16.  M. Singh,  Sudhir Kumar , J.-H. Jou, "Blue-hazard free candle light-style OLED with fluorescent tube efficacy" ICFPE-2015, Taipei, Taiwan (21-23 Oct. 2015). [Talk]

17.  S. Sahoo,  Sudhir Kumar , D. Tavgeniene, S. Grigalevicius, J.-H. Jou, "Enabling high-efficiency phosphorescent OLEDs using solution-process feasible molecular host", ICFPE-2015, Taipei, Taiwan (Oct. 21-23, 2015). [Poster]

18.  HC Tsai,  Sudhir Kumar, JH Jou, TAKING 2015 International Thin Films Conference, NCKU, Tainan, Taiwan (15-18 Nov 2015). [Poster]

19.  Sudhir Kumar, J. Jagielski, and C.-J. Shih, Efficient Green-to-blue light emitting diode using 2D Organolead Halide Perovskites, MaP Graduate Symposium & MaP Award Ceremony 2016, Zurich, Switzerland. (09 June 2016). [Poster]

20.  J. Jagielski,  Sudhir Kumar, and C.-J. Shih, Layer Controlled Colloidal Dispersions of Two-Dimensional Organometal Halide Perovskites for Efficient Blue Light-Emitting Diode, AICHE Annual Meeting 2016, San Francisco, USA (13-18 November 2016). [Talk]

21.  S. Sahoo,  Sudhir Kumar , H.-H. Yu, M. Singh, KRJ Thomas, and J.-H. Jou, high-efficiency purplish-blue OLED with a novel wet-process feasible carbazole-based emitter, OPTIC 2016. [poster]

22. Sudhir Kumar, J. Jagielski, and C.-J. Shih, Colloidal 2D perovskites for ultrapure green optoelectronics: synthesis and applications, MaP Graduate Symposium & MaP Award Ceremony 2017, Zurich, Switzerland. (June 19, 2017). [Talk]

23.  T.-H. Lin, T. Margossian, MD Marchi, M. Thammasack,  Sudhir Kumar, J. Jagielski, C.-J. Shih, GD Micheli, D. Baudouin, PE Gaillardon, C. Coperet, Low Temperature wet conformal metal silicide deposition for transistor technology through an organometallic approach, SCS Spring Meeting 2017, Berne, Switzerland (21-22 August 2017). [Poster] Gaillardon, C. Coperet, Low temperature wet conformal metal silicide deposition for transistor technology through an organometallic approach, SCS Spring Meeting 2017, Bern, Switzerland (21-22 August 2017). [Poster]  

24.  J. Jagielski,  Sudhir Kumar, and C.-J. Shih, Colloidal quantum confined perovskites for ultrapure green optoelectronics: Synthesis and Applications, SCS Spring Meeting 2017, Bern, Switzerland (21-22 August 2017). [Talk]

25.  Sudhir Kumar, J. Jagielski, and C.-J. Shih, Energy efficient, color-saturated green light-emitting diodes based on quantum confined perovskites, Photonics Prague 2017, SPIE Conference, Prague, Czech Republic, (28-30 August 2017). [Talk]

26.  J. Jagielski,  Sudhir Kumar, and C.-J. Shih, Colloidal quantum confined perovskites for ultrapure green optoelectronics: Synthesis and Applications, NanoGe, Barcelona, Spain 2017, (04-08 September 2017). [Talk]

27. J. Jagielski, Sudhir Kumar, and C.-J. Shih, Aggregation-induced emission in lamellar solids of colloidal perovskite quantum wells, 233rd ECS Meeting (May 13-17, 2018) (Carbon Nanostructures and Devices). [Talk]

28. J. Jagielski, Sudhir Kumar, and C.-J. Shih, Color pure green and blue electroluminescence using colloidal quantum confined perovskites, 233rd ECS Meeting (May 13-17, 2018) (Dielectric Science and Materials). [Talk]

29. Sudhir Kumar,  J. Jagielski, and C.-J. Shih, Quantum-confined colloidal perovskite nanoplatelets for extremely pure green and efficient LEDs, OSA Advanced Photonics ETH Zurich Switzerland, (July 02-05, 2018). [Talk]

30. Sudhir Kumar, J. Jagielski, and C.-J. Shih, High-efficiency and ultra-green light-emitting diodes using colloidal 2D perovskites, OP18P SPIE Organic Photonics + Electronics, Organic Light Emitting Materials and Devices XXII, San Diego, California, United States, (August 19-23, 2018).

31.  C.-J. Shih,  Sudhir Kumar, and J. Jagielski, Monochromatic LEDs Based on perovskites quantum dots: Opportunities and Challenges, IDW 2018, (December 12-14, 2018) Nagoya Congress Center Nagoya, Japan [Invited Talk] [Outstanding paper award]. 

32.  Cantarella G., Sudhir Kumar, J. Jakub, C.-J. Shih, G. Troster, Flexible Green Perovskite Light Emitting Diodes,  International Flexible Electronics Technology Conference (IFETC), (August 7-9, 2018) Ottawa, Canada. [Talk] [Outstanding Student Paper Award]

33. Sudhir Kumar, T. Marcato, C.-J. Shih, High-Efficiency Quantum Dot Light-Emitting Diodes using Outcoupling-Enhanced Two-Dimensional Superlattices, E-MRS SPRING MEETING 2021 Virtual Conference from May 31 – June 3, 2021.[Talk]

34. Sudhir Kumar, T. Marcato, C.-J. Shih, Perovskite LEDs with Over 24% External Quantum Efficiency Using Outcoupling-Enhanced Colloidal 2D Nanocrystals,  16th MaP Graduate Symposium took place on 14 & 15 June 2021.[Poster]

35. Sudhir Kumar, T. Marcato, C.-J. Shih, Approaching 25% External Quantum Efficiency in Perovskite LEDs Using Outcoupling-Enhanced Anisotropic Nanocrystal Superlattices, ICSM 2022, University of Glasgow, Scotland, July 17 - July 22, 2022.[Talk]

36. H.-H. Kuo, Sudhir Kumar, C.-J. Shih, Rational Design of Luminescent Au(III) Complexes for High-Performance Organic Light-Emitting Diodes,  ICSM 2022, University of Glasgow, Scotland, July 17 - July 22, 2022.[Poster]

37. H.-H. Kuo, Sudhir Kumar, R. L. Omongos, M. Usteri, M. Wörle, D. Escudero, C.-J. Shih, Design and Synthesis of Asymmetric Au(III) Complexes Exhibiting Bright Anisotropic Emission for High-Performance Organic Light-Emitting Diodes, 2023 MRS Spring Meeting, San Francisco, California, April 10-April 14, 2023.[Talk]