Journal Article: In Situ Temperature-Dependent Properties of Metal–Organic Framework ZIF-Coated ZnO Hybrid Structures: Structural and Advanced Spectroscopic Insights
Authors: Rajat Nagpal, Masaya Sugihara, Cristian Lupan, Nicolae Magariu, Tim Tjardts, Nahomy Meling Lizarde, Thomas Strunskus, Justin Jetter, Haoyi Qiu, Barnika Chakraborty, Tayebeh Ameri, Eckhard Quandt, Rainer Adelung, Rob Ameloot,
Journal article: Structured Aluminum Phosphonate Metal–Organic Framework for Efficient Hydrogen Purification: Reversible HCl Adsorption and Water-Triggered Regeneration
Authors: Ravi Sharma, Ajay Padunnappattu, Max Phil Van der Stricht, Norbert Stock, Joeri F. M. Denayer Chem. Mater. 2026, https://doi.org/10.1021/acs.chemmater.5c03397
Journal Article: Computational Screening of Zeolitic Imidazolate Frameworks for Optical Sensing of VOCs via Refractive Index Modulation
Authors: Aparajita Ghosh, Guillaume Maurin, Veronique Van Speybroeck, Louis Vanduyfhuys J. Phys. Chem. C 2026, 130, 15, 5547–5558, https://doi.org/10.1021/acs.jpcc.5c07148
Book chapter: Nano Polymers Towards Advanced Energy Storage Devices
Authors: Barnika Chakraborty In: Sharma, B., Chaudhary, V., Shekhar, S., Kumar, A. (eds) Nanostructured Polymers. Engineering Materials. Springer, Singapore. https://doi.org/10.1007/978-981-95-3581-1_14
Journal article: A Versatile Synthesis Approach and Interface Characterization of t-ZnO@Metal Hydroxide/Oxide Heterostructures
A Versatile Synthesis Approach and Interface Characterization of t-ZnO@Metal Hydroxide/Oxide Heterostructures Authors: Barnika Chakraborty, Tim Tjardts, Berit Zeller-Plumhoff, Ulrich Schürmann, Anton Davydok, Dietmar Christian Florian Wieland, Haoyi Qiu, Alexander Reißmann,
Journal article: ZIF-71-Coated CuO:Al with Enhanced Gas-Sensing Performance for n-Butanol and Hydrogen
Authors: Rajat Nagpal, Masaya Sugihara, Cristian Lupan, Tim Tjardts, Nahomy Meling-Lizarde, Thomas Strunskus, Haoyi Qiu, Rainer Adelung, Rob Ameloot, Oleg Lupan ACS Appl. Electron. Mater. 2025, 7, 22, 10198–10215, https://doi.org/10.1021/acsaelm.5c01659
Conference paper: Holographic VOC Sensors Enabled by MOF Nanoparticles Functionalization
Authors: Aleksandra Hernik, Masaya Sugihara, Ajay Padunnappattu, Liam Tubridy, Norbert Stock, Rob Ameloot, Izabela Naydenova Frontiers in Optics 2025, Denver, Colorado United States, 26–30 October 2025, https://doi.org/10.1364/FIO.2025.FTh3B.3
Journal Article: Humidity-tolerant selective sensing of hydrogen and n-butanol using ZIF-8 coated CuO:Al film
Authors: Rajat Nagpal, Masaya Sugihara, Nicolae Magariu, Tim Tjardts, Nahomy Meling-Lizarde, Thomas Strunskus, Tayebeh Ameri, Rob Ameloot, Rainer Adelung, Oleg Lupan Mater. Chem. Front., 2025,9, 3425-3442, https://doi.org/10.1039/D5QM00565E
Journal article: Nanoimprinted Holographic MOF Diffraction Gratings─Advancing Selective Volatile Organic Compound Detection at Low Concentrations
Authors: Aleksandra Hernik, Masaya Sugihara, Ajay Padunnappattu, Norbert Stock, Rob Ameloot, Izabela Naydenova ACS Appl. Mater. Interfaces 2025, 17, 42, 58512–58519, https://doi.org/10.1021/acsami.5c10794
Journal article: Optical Detection of Volatile Organic Compounds: A Review of Methods and Functionalized Sensing Materials
Authors: Aleksandra Hernik, Jorid Smets, Zhe Wang, Yuliya Semenova, Jin‐Chong Tan, Rob Ameloot, Izabela Naydenova Adv. Optical Mater.13, no. 27 (2025): e00369. https://doi.org/10.1002/adom.202500369
Journal Article: High-Performance Hydrophobic MOFs for Selective Acetone Capture under Humid Conditions
Authors: Sabrina Grigoletto, Kavosh Karami, Iago Maye, Ajay Padunnappattu, Siddharth Ravichandran, Mohammad Wahiduzzaman, Louis Vanduyfhuys, Veronique Van Speybroeck, Joeri F M Denayer, Matthias Thommes, Norbert Stock, Guillaume Maurin J. Mater.
Journal article: Effect of Pd functionalization on optical and hydrogen sensing properties of ZnO: Eu films
Authors: Rajat Nagpal, Cristian Lupan, Artur Buzdugan, Vladislav Ghenea, Oleg Lupan Optik, Volume 325, 2025, 172247, ISSN 0030-4026, https://doi.org/10.1016/j.ijleo.2025.172247
Conference paper: Diffractive Optical Transducers for Volatile Organic Compounds Detection
Authors: Aleksandra Hernik, Masaya Sugihara, Rob Ameloot, Izabela Naydenova British and Irish Conference on Optics and Photonics 2024, Technical Digest Series (Optica Publishing Group, 2024), paper F5B.4, https://doi.org/10.1364/BICOP.2024.F5B.4
Conference paper: Sensory Properties of CuO/Cu2O Nanostructures Coated with Zeolitic Imidazolate Frameworks
Authors: Rajat Nazpal, Maxim Chiriac, Masaya Sugihara, Dinu Litra, Nicolai Ababii, Nicolae Magariu, Cristian Lupan, Veaceslav Zinicovschi, Rob Ameloot, Oleg Lupan 2024 E-Health and Bioengineering Conference (EHB), IASI, Romania, 2024,
Journal article: Ultra-selective hydrogen sensors based on CuO – ZnO hetero-structures grown by surface conversion
Authors: Barnika Chakraborty, Dinu Litra, Abhishek Kumar Mishra, Cristian Lupan, Rajat Nagpal, Soni Mishra, Haoyi Qiu, Serghei Railean, Oleg Lupan, Nora H. de Leeuw, Rainer Adelung, Leonard Siebert ournal of
Book chapter: Study on Al2O3/ZnO Heterostructure Based UV Detection for Biomedical Applications
Nagpal, R. et al. (2024). Study on Al2O3/ZnO Heterostructure Based UV Detection for Biomedical Applications. In: Costin, HN., Magjarević, R., Petroiu, G.G. (eds) Advances in Digital Health and Medical Bioengineering. EHB 2023.
Book chapter: Gas Sensing Structure of CuO/Cu2O Doped with Sn for Ethanol with Potential Detection in Exhaled Breath
Authors: Brinza, M., Nagpal, R., Litra, D., Chiriac, M., Lupan, O. (2024). Gas Sensing Structure of CuO/Cu2O Doped with Sn for Ethanol with Potential Detection in Exhaled Breath. In: Costin,
Conference paper: Thermal effects on the VOC-sensitive polydimethylsiloxane holographic gratings
Authors: Aleksandra Hernik, Faolan R. McGovern, Patrick Iftime, Izabela Naydenova Proc. SPIE 13015, Photosensitive Materials and their Applications III, 130150V (19 Jun 2024); https://doi.org/10.1117/12.3029518
Journal article: Multifunctional Three-in-One Sensor on t-ZnO for Ultraviolet and VOC Sensing for Bioengineering Applications
Authors: Rajat Nagpal, Cristian Lupan, Adrian Bîrnaz, Alexandr Sereacov, Erik Greve, Monja Gronenberg, Leonard Siebert, Rainer Adelung, Oleg Lupan Biosensors. 2024; 14(6):293. https://doi.org/10.3390/bios14060293
Journal article: Optical Response of PDMS Surface Diffraction Gratings under Exposure to Volatile Organic Compounds
Authors: Aleksandra Hernik; Faolan Radford McGovern; Izabela Naydenova ACS Appl. Opt. Mater. 2024, 2, 6, 1188–1197, https://doi.org/10.1021/acsaom.4c00138
Journal article: ANNEALING EFFECT ON UV DETECTION PROPERTIES OF ZnO:Al STRUCTURES
Authors: Nagpal, R., Chiriac, M., Sereacov, A., Birnaz, A., Ababii, N., Lupan, C., Buzdugan, A., Sandu, I., Siebert, L., Pauporté, T., & Lupan, O. JOURNAL OF ENGINEERING SCIENCE, 30(4), 45–62. https://doi.org/10.52326/jes.utm.2023.30(4).04
Book chapter: MOF-Coated 3D-Printed ZnO Tetrapods as a Two-in-One Sensor for H2 Sensing and UV Detection
Chakraborty, B. et al. (2024). MOF-Coated 3D-Printed ZnO Tetrapods as a Two-in-One Sensor for H2 Sensing and UV Detection. In: Sontea, V., Tiginyanu, I., Railean, S. (eds) 6th International Conference on Nanotechnologies and
Journal article: Surface Conversion of ZnO Tetrapods Produces Pinhole-Free ZIF-8 Layers for Selective and Sensitive H2 Sensing Even in Pure Methane
Authors: Mirjam P. M. Poschmann; Leonard Siebert; Cristian Lupan; Oleg Lupan; Fabian Schütt; Rainer Adelung; Norbert Stock ACS Appl. Mater. Interfaces 2023, 15, 32, 38674–38681, https://doi.org/10.1021/acsami.3c06317
Journal article: The Development of Optomechanical Sensors—Integrating Diffractive Optical Structures for Enhanced Sensitivity
Authors: Faolan Radford McGovern; Aleksandra Hernik; Catherine Grogan; George Amarandei; Izabela Naydenova Sensors 2023, 23, 5711. https://doi.org/10.3390/s23125711