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Beeluan et al.

Thin and soft Ti3C2Tx MXene sponge structure for highly sensitive pressure sensor assisted by deep learning (CEJ-D-23-29263R2)
Chemical Engineering Journal

Texture exposure of unconventional (101)Zn Facet: enabling dendrite-free Zn deposition on metallic zinc anodes

W Fang, X Yu, D Ho, H Hu* et al.

Advanced Energy Materials


88. FlexiPulse: A machine-learning-enabled flexible pulse sensor for cardiovascular disease diagnostics

Z Ma, H Hua, C You, ..., D Ho, B Yan, and B Khoo*

Advanced Functional Materials, 2024, 101690.

87. Wood-like low-tortuosity thick electrode for micro-redoxcapacitor with ultrahigh areal energy density and steady power output

J Zhang, K Wang, P Lu, J Gao, Z Cao, F Mo, D Ho, Bo Li, and H Hu*

Advanced Functional Materials, 2023, 2310775.

86. The piezoionic effect: biomimetic transduction mechanism for sensing, actuation, interface, and energy harvesting

D Ho*

ChemElectroChem, accepted.

85. Piezoionics: mechanical-to-ionic transduction for sensing, biointerface, and energy harvesting

K Chen and D Ho*

Aggregate, accepted.

84. d-Band center optimization of Ti3C2Tx MXene nanosheets for ultra-high NO2 gas sensitivity at room temperature

Y Wang, J Fu, H Hu, and D Ho*

ACS Applied Materials and Interfaces, 2023, 15, 40846.

83. Hofmeister effect induced hydrogel electrolyte-electrode interfacial adhesion enhancement strategy for energy-efficient and mechanically robust redoxcapacitors

Y Du , F Mo, C Qin, D Ho, and H Hu*

Journal of Materials Chemistry A, 2023, 11, 18135.

82. Interlayer injection of low-valence Zn atoms to activate MXene-based micro-redoxcapacitors with battery-type voltage plateaus

Z Cao, D Ho, and H Hu*

Advanced Functional Materials, 2023, 2303060.

81. Thick-network electrode: enabling dual working voltage plateaus of Zn-ion micro-battery with ultrahigh areal capacity

Y Wu, N He, G Liang, C Zhang, C. Liang, D Ho, M Wu*, and H Hu*

Advanced Functional Materials, 2023, 2301734.


80. Aspect ratio control of TaS2 nanosheets: A methodology for room temperature formaldehyde gas sensing performance optimization

Y Wang, M Du, J Xu, Z Zeng*, and D Ho*

Journal of Materials Chemistry C, 2023, 11, 7825.

79. Order-disorder engineering of RuO2 nanosheets towards pH-universal oxygen evolution

Y Zhang, Y Zhang, Z Zeng*, and D Ho*

Materials Horizons, 2023, 10, 2904.

78. Atomic plasma grafting: Precise control of functional groups on Ti3C2Tx MXene for room temperature gas sensor 

Y Wang, J Fu, J Xu, H Hu, and D Ho*

ACS Applied Materials and Interfaces, 2023, 15, 9. (DOI)

77. Hexagonal Co9S8: Experimental and mechanistic study of enhanced electrocatalytic hydrogen evolution of a new crystallographic phase

T Bin, L Sun*, and D Ho*

Advanced Functional Materials, 2023, 33, 2210298. (DOI)

76. A high-energy aqueous Zn || NO2 electrochemical cell: A new strategy for NO2 Fixation and electric power generation

L Ma, S Chen, W Yan, G Zhang, Y Ying, H Huang, D Ho*, W Huang, and C Zhi*

Energy & Environmental Science, 2023, 10, 1039. (DOI)

75. Differentiating contribution to desolvation ability from molecular structure and composition for screening highly-effective additives to boost reversibility of zinc metal anode
Y Hu, J Fu, H Hu, D Ho, H Hu
Energy Storage Materials, 2023, 55, 669.


74. Framework structure engineering of polymeric carbon nitrides and its recent applications

T Bin, D Ho*, J Qin, J Hu, Z Chen, D Voiry, Q Wang, and Z Zeng

Progress in Materials Science, 2022, 101056. (DOI)

73. Biaxial stretching array based on highly-energy-efficient MXene-based Al-ions micro-supercapacitor island and editable stretchable bridge

Y Wu, M. Wu, D Ho, and H Hu

ACS Applied Materials and Interfaces, 2022, 14, 55770.

72. D-band center optimization of iron carbide via Cr substitution for enhanced alkaline hydrogen evolution

Y Zhang, Y Zhang, B Tian, H Li, Z Zeng and D Ho*

Materials Today Energy, 2022, 29, 101133.

71. Multiplying energy storage capacity: In-situ polypyrrole electrodeposition for laser-induced graphene electrodes

L Lei, Z Cao, J Li, H Hu and D Ho*

ACS Applied Energy Materials, 2022, 5, 12790.

70. Diameter-optimized PVA@PPy nanofibers: MXene interlayer space expansion without sacrificing electron transport

J Li, Z Cao, H Hu and D Ho*

Journal of Materials Chemistry C, 2022, 10, 13056.

69. Dual defocused laser pyrolysis: A lasing-centric strategy for defect and morphological optimization in microsupercapacitor electrodes

W Yan, H Hu, L Wang* and D Ho*

Small Methods, 2022, 6, 2101616. (DOI)

68. Micro-redoxcapacitor: A hybrid architecture out of the notorious energy-power density dilemma

Z Cao, H Hu*, and D Ho*

Advanced Functional Materials, 2022, 32, 2111805. (DOI) (Media)


67. Multi-length scale hierarchical architecture overcoming pressure sensing range-speed tradeoff for skin electronics

Q Tian, W Yan, T Chen, and D Ho*

Journal of Materials Chemistry C, 2021, 9, 17129. (DOI)

66. Critical effect of film-electrode interface on enhanced energy storage performance of BaTiO3-BiScO3 ferroelectric thin films

W Abbas, W. Lin, J. Kai, D Ho*, and A. Pramanick

ACS Applied Electronic Materials, 2021, 3, 11, 4726. (DOI)


65. Battery-sensor hybrid: A new gas sensing paradigm with complete energy self-sufficiency

W Yan, L. Ma, J. Xu, Y. Guo, H. Hu, C. Zhi, and D Ho*

ACS Applied Materials and Interfaces, 2021, 13, 39, 46507. (DOI)


64. Precursor concentration ratio: The key to controllable lateral to standing MoO2 flake transition

J Xu and D Ho*

Chemistry of Materials, 2021, 33, 15, 6052. (DOI)

63. SnS2/MXene derived TiO2 hybrid for ultra-fast room temperature NO2 gas sensing

T Chen, W Yan, Y Wang, J Li, H Hu, and D Ho*

Journal of Materials Chemistry C, 2021, 9, 7407. (DOI)

62. Interlayer structure engineering of MXene-based capacitor-type electrode for hybrid micro-supercapacitor towards battery-level energy density

W Cheng, J Fu, H Hu, and D Ho*

Advanced Science, 2021, 2100775. (DOI) (Media)

61. Modulation of reaction mechanism via S:Mo: a rational strategy for large-area MoS2 growth

J Xu and D Ho*

Chemistry of Materials, 2021, 33, 3249. (DOI)

60. Theoretical analysis and image reconstruction for multi-bit quanta image sensors

H Wong, C Leung, and D Ho

Signal Processing, 2021, 185, 108087.

59. The adatom concentration profile: a paradigm for understanding two-dimensional MoS2 morphological evolution in chemical vapor deposition growth

J Xu, D Srolovitz*, and D Ho*

ACS Nano, 2021, 15, 6839. (DOI) (Media)

58. High Energy Efficiency and Thermal Stability of BaTiO3-BiScO3 Thin Films Based on Defects Engineering

W Abbas, D Ho*, and A Pramanick*

ACS Applied Electronic Materials, 2021, 3, 1097.

57. Rolled-up island-bridge (RIB): a new and general electrode configuration design for wire-shaped stretchable micro-supercapacitor array

Z Li, J Song, H Hu, C Yuan, M Wu*, and D Ho*

Journal of Materials Chemistry A, 2021, 9, 2899. (DOI)

56. Natively stretchable micro-supercapacitors based on PEDOT:PSS hydrogel

J Li, W Yan, G. Zhang, R. Sun*, and D Ho*

Journal of Materials Chemistry C, 2021, 9, 1685. (DOI)


[J55] T. Jiang, H. Hu*, F. Lei, J. Hu, M. Wu, and D Ho*, "Concurrently realizing geometric confined growth and doping of transition-metals within graphene hosts for biofunctional electrocatalyst toward solid-state rechargeable micro-Zn-air batteries," ACS Applied Materials and Interfaces, 12 (34), 2020 (DOI).

[J54] T. Chen, Z. Cheng, Q. Tian, J. Wang, X. Yu, and D Ho*, "Nitrogen dioxide gas sensor based on liquid-phase exfoliated black phosphorous nanosheets," ACS Applied Nano Materials, 3, 7, 2020 (DOI).

[J53] Y. Zhang, Z. Zeng*, and D Ho*, "Mn dopant induced high-valence Ni3+ sites and oxygen vacancies for enhanced water oxidation," RSC Materials Chemistry Frontiers, 4, 1993-1999, 2020, selected as 2020 HOT article. Media coverage: Wechat, Twitter, Blog (DOI).

[J52] N Guo, S. Wang, R. Genov, and D Ho*, "Asynchronous event-driven encoder with simultaneous temporal envelope and phase extraction for cochlear implants," IEEE Transactions on Biomedical Circuits and Systems, 4, 3, 2020.


[J51] X Zhou, ..., and D Ho, "Wideband class-F-1 power amplifier with dual-/quad-mode bandpass response," IEEE Transactions on Circuits and Systems I, 6, 7, 2020.

[J50] W Yan, T Chen, J Xu, Q Tian, and D Ho*, "Size-Tunable flowerlike MoS2 nanospheres combined with laser-induced graphene electrodes for NO2 sensing," ACS Applied Nano Materials, 3, 3, 2020.

[J49] X Zhou, W S Chan, S Chen, W Feng, J Pang, and D Ho, "Linearity enhanced harmonic-modulated impedance inverter Doherty power amplifier," IEEE Transactions on Circuits and Systems I, 67, 6, 2020.

[J48] Q Tian, W Yan, Y Li, and D Ho*, "Bean pod-inspired ultra-sensitive and self-healing pressure sensor based on laser induced graphene and polystyrene microspheres sandwiched structure," ACS Applied Materials and Interfaces, 12, 2020.

[J47] Z Li, S Huang, Y He, Q Duan, G Zheng, Y Jiang, L Cai, Y Jia, H Zhang*, D Ho*, "AND logic gate based fluorescence probe for simultaneous detection of peroxynitrite and hypochlorous acid," Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 230, 2020.

[J46] A Pramanick,* A R Paterson, L Denis, W Abbas, G Niu,* W Ren J Zhao, L Dai, O Borkiewicz, Y Ren, D Ho, S Trolier-McKinstry, and J L Jones, "Oxygen octahedral tilt ordering in (Na1/2Bi1/2)TiO3 ferroelectric thin films," Applied Physics Letters, 116, 2, 2020. (Editor's Pick)

[J45] W Abbas, D Ho*, and A Pramanick, "High energy-storage efficiency and thermal stability of A-side deficient and 110 textured BaTiO3-BiScO3 thin films," Journal of the American Ceramic Society, 103, 5, 2020.

[J44] W R Yan, J H Li, G P Zhang, L Wang*, and D Ho*, "Synergistic self-assembled 3D PEDOT:PSS/graphene composite sponge for stretchable microsupercapacitors," Journal of Materials Chemistry A (JMCA), 8, 2, 2020.


[J43] W R Yan, X T Peng, Y T Zhang, D Ho*, "Cuffless continuous blood pressure estimation for pulse morphology of photoplethysmograms," IEEE Access, 7, 2019.

[J42] L P Wei, H M Leung, Y Tian, P K Lo, D Ho*, "Fully-integrated liquid-core waveguide fluorescence lifetime detection microsystem for DNA biosensing," IEEE Access, 7, 2019.

[J41] Y Tian, L P Wei, D Ho*, "Compact time-correlated single photon counting DNA analyzer with liquid-core waveguide," Sensors, 19, 2838, 2019.


[J40] L P Wei, Y Tian, W R Yan, K W CheungD Ho*, "Liquid-core waveguide TCSPC sensor for high-accuracy fluorescence lifetime analysis," Analytical and Bioanalytical Chemistry, 411, 16, 2019.

[J39] T D Chen, W H Yan, J G Xu, J H Li, G P Zhang, and D Ho*, "Highly sensitive and selective NO2 sensor based on 3D MoS2/rGO composites prepared by a low temperature self-assembly method," Journal of Alloys and Compounds, 793, 2019.

[J38] X Y Zhou, W S Chan, S Y Zheng, W Feng, H Y Liu, K K Cheng, and D Ho*, "A mixed topology for broadband high-efficiency Doherty power amplifier," IEEE Transactions on Microwave Theory and Techniques, 67, 3, 2019.

[J37] Y. Tian, L. Wei, and D Ho*, "Low detection limit time-correlated single photon counting lifetime analytical system for point-of-care applications," IEEE Access, 7, 2019.

[J36] K W Cheung, D Kuo, J Yu, and D Ho*, "A Novel Method for Predicting Optimal Gas Sensing Temperature of Morphologically Distinct Nanostructured Schottky Interfaces," Sensors and Actuator B - Chemical, 287, 2019.


[J35] Y Jiang, Q Duan, G Zheng, L Yang, J Zhang, Y Wang, H Zhang*, J He, H Sun, and D Ho*, "An ultra-sensitive and ratiometric fluorescent probe based on DTBET for Hg2+ detection and imaging applications," RSC Analyst, Dec 2018.

[J34] K W Cheung, J Yu, and D Ho*, Determination of the Optimal Sensing Temperature in Pt/Ta2O5/MoO3 Schottky contacted nanobelt straddling heterojunction," Sensors, 18(11), Nov 2018.

[J33] K W Cheung, J Yu, and D Ho*, Temperature-dependent sensitivity in Pt/La2O3 nanobelt Schottky interface hydrogen sensor," Materials Research Bulletin, 110, Oct 2018.

[J32] Y Jiang, G Zheng, Q Duan, L Yang, J Zhang, H Zhang*, J He, H Sun, D Ho*, "Ultra-sensitive fluorescent probes for hypochlorite acid detection and exogenous/endogenous imaging of living cells," Chemical Communications, 57, 2018.

[J31] F Liu, F Han, J Li*, S Zhao, T Zhao, X Liang, D Zhu, G Zhang*, R Sun*, D Ho, C P Wong, "An omni-healable and highly sensitive capacitive pressure sensor with microarray structure," Chemistry - A European Journal, 24(63), Nov 2018.

[J30] K W Cheung, J Yu, D Ho*, "A Novel Surface Area to Volume Ratio Estimation Technique for Nanohemisphere Contacted Schottky Barrier Structures," AIP Advances, 8, 085311, Aug 2018.

[J29] Q P Chen, Z Qamar, S Y Zheng, Y L Long, and D Ho, "Design of A Compact Wideband Butler Matrix using Vertically Installed Planar Structure," IEEE Transactions on Components, Packaging and Manufacturing Technology, 8, 8, Aug 2018.

[J28] Y C Chan, J Yu, and D Ho*, "Morphology, Stoichiometry, and Crystal Structure Control via Post-Annealing in Pt-ZnO Nanograin Schottky Barrier Interfaces," Applied Surface Science, 443, Jun 2018.

[J27] S Y Zheng, Z L Su, Y M Pan, Z Qamar, and D Ho, "New Dual-/Tri Band Bandpass Filters and Diplexer with Large Frequency Ratio," IEEE Transactions on Microwave Theory and Techniques, vol. 6, no. 6, Jun 2018.

[J26] Y LuoD Ho, and S Mirabbasi, "Exposure-Programmable CMOS Pixel with Selective Charge Storage and Code Memory for Computational Imaging, " IEEE Transactions on Circuits and Systems I: Regular Papers, 65, 5, May 2018.

[J25] X Y Zhou, S Y Zheng, W S Chan, X Fang, and D Ho, "Postmatching Doherty Power Amplifier with Extended Back-Off Range Based on Self-Generated Harmonic Injection", IEEE Transactions on Microwave Theory and Techniques. 66, 4, Apr 2018.

​[J24] Z Qamar, S Y Zheng, W S Chan, and D Ho, "Coupling Coefficient Reconfigurable Wideband Branch-Line Coupler Topology with Harmonic Suppression, " IEEE Transactions on Microwave Theory and Techniques, 66, 4, Apr 2018.

[J23] J Li, Q Liu, D Ho, S F Zhao, S W Wu, L Ling, F Han, X X Wu, G P Zhang, R Sun, and C P Wong, "Three-Dimensional Graphene Structure for Healable Flexible Electronics based on Diels-Alder Chemistry," ACS Applied Materials and Interfaces, 10, 11, Mar 2018.

[J22] X Y Zhou, W S Chan, D Ho, and S Y Zheng, “Loading the Third Harmonic: Linear and Efficient Post-Matching Doherty PA,” IEEE Microwave Magazine, vol. 9, no. 1, Jan 2018 (Invited).


[J21] L P Wei, W R Yan, and D Ho*, "Recent Advances in Fluorescence Lifetime Analytical Microsystems: Contact Optics and CMOS Time-Resolved Electronics, " Sensors, 17(12), Dec 2017.

[J20] X F Ye, S Y Zheng, Y M Pan, D Ho and Y Long, "A New Class of Components for Simultaneous Power Splitting Over Microwave and Millimeter-Wave Frequency Bands, " IEEE Access, vol. 6, no. 1, Oct 2017.

[J19] Z Qamar, W S Chan, and D Ho, "Wide Bandwidth Arbitrary Phase Difference Branch Line Coupler," Microwave and Optical Technology Letters, vol. 59, no. 9, Sep. 2017.

[J18] Z Qamar, S Y Zheng, W S Chan, and D Ho, "Coupling Coefficient Range Extension Technique for Broadband Branch-Line Couplers," Journal of Electromagnetic Waves and Applications, vol.32, no. 1, Aug 2017.

[J17] K W Cheung, J Yu, and D Ho, “Enhancement of Gas Sensitivity for MoO3 Nanobelt Sensor by Thermionic Field Emission,” IEEE Sensors Letters, vol 1, no. 4, Aug. 2017.

[J16] H Li, J Li, C Hou*, D Ho*, Q Zhang, Y Li, and H Wang*, "Solution-Processed Porous Tungsten Molybdenum Oxide Electrodes for Energy Storage Smart Windows," Advanced Materials Technologies, 1700047, 2017.


[J15] H Zhang, P Xiao, Y T Wong, W Shen, M Chhabra, R Peltier, Y Jiang, Y He, J He, Y Tan, Y Xie, D Ho, Y W Lam, J Sun, and H Sun, "Construction of an alkaline phosphatase-specific two-photon probe and its imaging application in living cells and tissues," Biomaterials. 140, p. 220-229.


[J14] H Zhang, L Feng, Y Jiang, Y T Wong, Y He, G Zheng, J He, Y Tan, H Sun*, and D Ho*, "A Reaction-based Near-infrared Fluorescent Sensor for Cu2+ Detection in Aqueous Buffer and its Application in Living Cells and Tissues Imaging," Biosensors and Bioelectronics, 94, 2017.


[J13] Y Tan, L Zhang, K H Man, R Peltier, G Chen, H Zhang, L Zhou, F Wang, D Ho, S Q Yao, Y Hu, and H Sun, "Reaction-Based Off-On Near-infrared Fluorescent Probe for Imaging Alkaline Phosphatase Activity in Living Cells and Mice," ACS Applied Materials and Interfaces. 9, (8), p. 6796-6803, Jan 2017.

[J12] X Zhou, S Y Zheng, W S Chan, S C Chen, and D Ho, "Broadband Efficiency-Enhanced Mutually Coupled Harmonic Post-Matching Doherty Power Amplifier," IEEE Transactions on Circuits and Systems I, 64 (7), 2017.

[J11] Z Qamar, S Y Zheng, W S Chan, and D Ho, "An Equal-Length Multi-Way Differential Meta-Material Phase Shifter," IEEE Transactions on Microwave Theory and Techniques, Vol. 65, No. 1, 2017.



[J10] X Zhou, S Y Zheng, W S Chan, and D Ho, "Compact Band Pass Filter with Controllable Bandwidth Based on Low Radiation Spur-Line Defected Ground Structure, Microwave and Optical Technology Letters, Vol. 58, No. 12, 2016.


[J9] J Yu, K W Cheung, W Yan and D Ho*, "Tungsten Doped Nb2O5 Nanorod Sensor for Toxic and Combustible Gas Monitoring Applications," IEEE Electron Device Letters, Vol. 37, No. 9, pp. 1223-1226, 2016.

[J8] J Yu, W Yan, K W Cheung, Y Li, and D Ho*, "High-Sensitivity Low-Power Tungsten Doped Niobium Oxide Nanorods Sensor for Nitrogen Dioxide Air Pollution Monitoring," Sensors & Actuators: B - Chemical, 238, 2016. 



[J7] N Guo, K W Cheung, H T Wong, and D Ho*, "CMOS Time-Resolved, Contact, and Multispectral Fluorescence Imaging for DNA Molecular Diagnostics", Sensors, 14(11), pp. 20602-20619, 2014 (Invited).


[J6] L Wei, S Doughan, Y Han, M V. DaCosta, U Krull, and D Ho*, "The Intersection of CMOS Microsystems and Upconversion Nanoparticles for Luminescence Bioimaging and Bioassays", Sensors, 14(9), pp. 16829-16855, 2014 (Invited).


[J5] Z Chen, H Li, Y Tang, X Huang, D Ho, and C S Lee, "Shape-controlled Synthesis of Organolead Halide Perovskite Nanocrystals and their Tunable Optical Absorption," Materials Research Express, Vol. 1, No. 1, 2014.

2013 and prior:

[J4] D Ho, O Noor, U Krull, G Gulak, and R Genov, “CMOS Tunable-Wavelength Multi-Color Photogate Sensor,” IEEE Transactions on Biomedical Circuits and Systems, Vol. 7, No. 6, pp. 805-819, Dec 2013. 

[J3] D Ho, O Noor, U Krull, G Gulak, and R Genov, “CMOS Spectrally-Multiplexed FRET-on-a-Chip for DNA Analysis,” IEEE Transactions on Biomedical Circuits and Systems, Vol. 7, No. 5, pp. 643-654, Oct 2013. 

[J2] D Ho, O Noor, U Krull, G Gulak, and R Genov, “CMOS Tunable-Color Image Sensor with Dual-ADC Shot-Noise-Aware Dynamic Range Extension,” IEEE Transactions on Circuits and Systems – I: Regular Papers, Vol. 60, No. 8, pp. 2116-2129, Jan 2013.

[J1] R Singh, D Ho, A Nilchi, G Gulak, P Yau, and R Genov, “A CMOS/Thin-Film Fluorescence Contact Imaging Microsystem for DNA Analysis,” IEEE Transactions on Circuits and Systems - I: Regular Papers, Vol. 57, No. 5, pp. 1020-1038, May 2010.

Book Chapters


[BC2] L P Wei and D Ho*, "Design of CMOS Microsystems for Time-correlated Single Photon Counting Fluorescence Lifetime Analysis," Advances in Imaging and Sensing: Technology, Devices and Applications, edited by K. Iniewski, D. Joseph, and S. Tang, CRC Press, 2016.


[BC1] D Ho, O Noor, U Krull, G Gulak, and R Genov, “CMOS Spectrally-Multiplexed FRET Contact Imaging Microsystem for DNA Analysis,” Handbook of Bioelectronics: Directly interfacing electronics and biological systems, edited by K. Iniewski and S. Carrara, Cambridge University Press, 2015.


[A1] X. Y. Zhou, S. Y. Zheng, W. S. Chan, and Derek Ho, "Efficiency Enhanced Post-Matching Doherty Power Amplifier based on Modified Phase Compensation Network," 1st Place Winner in the Student Design Competition, IEEE International Microwave Symposium (IMS), Jun 2017 [Competed with live demo].

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