[1]  P. Du, N. Li, X. Ling, Z. Fan, A. Braun, W. Yang, Q. Chen, A. Yelon, Optimizing the Proton Conductivity with the Isokinetic Temperature in Perovskite-Type Proton Conductors According to Meyer–Neldel Rule, Adv. Energy Mater. 12 (2022) 2102939.

[2]  Z. Zhao, X. Ling, F. El Gabaly, M. Grass, N. Jabeen, D. Jones, Z. Liu, B.S. Mun, A. Braun, Q. Chen, Observation of Potential-Induced Hydration on the Surface of Ceramic Proton Conductors Using In Situ Near-Ambient Pressure X-ray Photoelectron Spectroscopy, J. Phys. Chem. Lett. 13 (2022) 2928–2933.

[3]  Y. Yang, X. Ling, W. Qiu, J. Bian, X. Zhang, Q. Chen, Surface-Enhanced Raman Scattering Spectroscopy Reveals the Phonon Softening of Yttrium-Doped Barium Zirconate Thin Films, J. Phys. Chem. C. 126 (2022) 10722−10728.

[4]  Z. Jin, Y. Peng, Y. Fang, Z. Ye, Z. Fan, Z. Liu, X. Bao, H. Gao, W. Ren, J. Wu, G. Ma, Q. Chen, C. Zhang, A. V Balakin, A.P. Shkurinov, Y. Zhu, S. Zhuang, Photoinduced large polaron transport and dynamics in organic–inorganic hybrid lead halide perovskite with terahertz probes, Light Sci. Appl. 11 (2022) 209.

[5]  Y. Wang, M.-R. Ahmadian-Yazdi, Y. Ni, Y. Jiang, M. Eslamian, Z. Jin, Q. Chen, Boosted Charge-Carrier Transport in Triple-Cation Perovskites by Ultrasonic Vibration Post Treatment, Adv. Electron. Mater. 8 (2022) 2101286.

[6]  M.S. Saleem, Q. Chen, N.A. Shepelin, S. Dolabella, M.D. Rossell, X. Zhang, C.X. Kronawitter, F. La Mattina, A. Braun, The Role of Strain in Proton Conduction in Multi-Oriented BaZr0.9Y0.1O3−δ Thin Film, ACS Appl. Mater. Interfaces. 14 (2022) 55915–55924.

 [7] Y. Gao, A.M. Nolan, P. Du, Y. Wu, C. Yang, Q. Chen, Y. Mo, S.-H. Bo, Classical and Emerging Characterization Techniques for Investigation of Ion Transport Mechanisms in Crystalline Fast Ionic Conductors, Chem. Rev. 120 (2020) 5954–6008.

[8]  Z. Fan, N. Li, P. Du, W. Yang, Q. Chen, Influence of Lattice Dynamics on the Proton Transport in BaZrY-Oxide Perovskites under High Pressure, J. Phys. Chem. C. 124 (2020) 22376–22382.

[9]  P. Du, Q. Chen, Z. Fan, H. Pan, F.G. Haibach, M.A. Gomez, A. Braun, Cooperative origin of proton pair diffusivity in yttrium substituted barium zirconate, Commun. Phys. 3 (2020) 200.

[10] C. Yang, P. Du, Z. Dai, H. Li, X. Yang, Q. Chen, Effects of Illumination Direction on the Surface Potential of CH3NH3PbI3 Perovskite Films Probed by Kelvin Probe Force Microscopy, ACS Appl. Mater. Interfaces. 11 (2019) 14044–14050.

[11] A. Braun, Q. Chen, A. Yelon, Hole and Protonic Polarons in Perovskites, Chim. Int. J. Chem. 73 (2019) 936–942.

[12] Z. Li, X. Zhang, L. Shen, Z. Fan, X. Chen, M. Chen, S. Qiu, F. Zabihi, M. Eslamian, Q. Chen, Performance enhancement of large-area graphene–polymer flexible transparent conductive films fabricated by ultrasonic substrate vibration-assisted rod coating, J. Coatings Technol. Res. 16 (2019) 1773–1780.

[13] D. Flak, Q. Chen, B.S. Mun, Z. Liu, M. Rękas, A. Braun, In situ ambient pressure XPS observation of surface chemistry and electronic structure of α-Fe2O3 and γ-Fe2O3 nanoparticles, Appl. Surf. Sci. 455 (2018) 1019–1028.

[14] X. Fang, Z. Fan, Y. Gu, J. Shi, M. Chen, X. Chen, S. Qiu, F. Zabihi, M. Eslamian, Q. Chen, A Solution Processable Flexible Transparent Conductive Graphene/PEDOT: PSS Film Fabricated by Spin and Blade Coating, J. Shanghai Jiaotong Univ. 23 (2018) 106–111.

[15] Y. Miao, P. Du, Z. Wang, Q. Chen, M. Eslamian, Ultrasonic vibration imposed on nanoparticle-based ZnO film improves the performance of the ensuing perovskite solar cell, Mater. Res. Express. 5 (2018) 026404.

[16] Q. Chen, A. Braun, Protons and the hydrogen economy, MRS Energy Sustain. 4 (2017) 14.

[17] A. Braun, Q. Chen, Swiss team discovers how protons move through fuel cell, Fuel Cells Bull. 2017 (2017) 14.

[18] A. Braun, Q. Chen, Experimental neutron scattering evidence for proton polaron in hydrated metal oxide proton conductors, Nat. Commun. 8 (2017) 15830.

[19] F. Zabihi, Q. Chen, Y. Xie, M. Eslamian, Fabrication of efficient graphene-doped polymer/fullerene bilayer organic solar cells in air using spin coating followed by ultrasonic vibration post treatment, Superlattices Microstruct. 100 (2016) 1177–1192.

[20] Q. Chen, F. Zabihi, M. Eslamian, Improved functionality of PEDOT:PSS thin films via graphene doping, fabricated by ultrasonic substrate vibration-assisted spray coating, Synth. Met. 222 (2016) 309–317.

[21] Q. Chen, A. Braun, Elucidating the biography of a proton in a proton conductor with neutrons and X-rays, Swiss Neutron News. (2015) 14.

[22] Q. Chen, J. Banyte, X. Zhang, J.P. Embs, A. Braun, Proton diffusivity in spark plasma sintered BaCe0.8Y0.2O3−δ: In-situ combination of quasi-elastic neutron scattering and impedance spectroscopy, Solid State Ionics. 252 (2013) 2–6.

[23] Q. Chen, F. El Gabaly, F. Aksoy Akgul, Z. Liu, B.S. Mun, S. Yamaguchi, A. Braun, Observation of oxygen vacancy filling under water vapor in ceramic proton conductors in situ with ambient pressure XPS, Chem. Mater. 25 (2013) 4690–4696.

[24] A. Braun, F. Aksoy Akgul, Q. Chen, S. Erat, T.-W. Huang, N. Jabeen, Z. Liu, B.S. Mun, S.S. Mao, X. Zhang, Observation of Substrate Orientation-Dependent Oxygen Defect Filling in Thin WO3−δ/TiO2 Pulsed Laser-Deposited Films with in Situ XPS at High Oxygen Pressure and Temperature, Chem. Mater. 24 (2012) 3473–3480.

[25] A. Braun, Q. Chen, D. Flak, G. Fortunato, K. Gajda-Schrantz, M. Grätzel, T. Graule, J. Guo, T.-W. Huang, Z. Liu, A.V. Popelo, K. Sivula, H. Wadati, P.P. Wyss, L. Zhang, J. Zhu, Iron resonant photoemission spectroscopy on anodized hematite points to electron hole doping during anodization, ChemPhysChem. 13 (2012).

[26] Q. Chen, S. Holdsworth, J. Embs, V. Pomjakushin, B. Frick, A. Braun, High-temperature high pressure cell for neutron-scattering studies, High Press. Res. 32 (2012) 471–481.

[27] A. Braun, S. Erat, X. Zhang, Q. Chen, T.-W. Huang, F. Aksoy, R. Löhnert, Z. Liu, S.S. Mao, T. Graule, Surface and Bulk Oxygen Vacancy Defect States near the Fermi Level in 125 nm WO3−δ/TiO2 (110) Films: A Resonant Valence Band Photoemission Spectroscopy Study, J. Phys. Chem. C. 115 (2011) 16411–16417.

[28] Q. Chen, T.-W. Huang, M. Baldini, A. Hushur, V. Pomjakushin, S. Clark, W.L. Mao, M.H. Manghnani, A. Braun, T. Graule, Effect of compressive strain on the Raman modes of the dry and hydrated BaCe0.8Y0.2O3 proton conductor, J. Phys. Chem. C. 115 (2011) 24021–24027.

[29] Q. Chen, A. Braun, S. Yoon, N. Bagdassarov, T. Graule, Effect of lattice volume and compressive strain on the conductivity of BaCeY-oxide ceramic proton conductors, J. Eur. Ceram. Soc. 31 (2011) 2657–2661.

[30] S. Wenger, P.-A. Bouit, Q. Chen, J. Teuscher, D. Di Censo, R. Humphry-Baker, J.-E. Moser, J.L. Delgado, N. Martín, S.M. Zakeeruddin, M. Grätzel, Efficient electron transfer and sensitizer regeneration in stable π-extended tetrathiafulvalene-sensitized solar cells, J. Am. Chem. Soc. 132 (2010).

[31] Q. Chen, A. Braun, A. Ovalle, C.-D. Savaniu, T. Graule, N. Bagdassarov, Hydrostatic pressure decreases the proton mobility in the hydrated BaZr0.9 Y0.1 O3 proton conductor, Appl. Phys. Lett. 97 (2010) 041902.

[32] X. Zhang, Q. Chen, J. Jiang, F. Fang, J. Jiang, Y. Zeng, Effect of heat treatment on microstructure and performance of TiAICN coating, Trans. Mater. Heat Treat. 30 (2009) 131–134.

[33] Y. Zhang, W. Sun, Q. Chen, L. Chen, Synthesis and heavy metal immobilization behaviors of slag based geopolymer, J. Hazard. Mater. 143 (2007) 206–213.

[34] Q. Chen, K. Herrmann, F. Menelao, Comparative study about the determination of the Young’s modulus of thin layers with the instrumented indentation test and the laser-acoustic measuring method, China Meas. Technol. 33 (2007) 77–81.