Highly Efficient Visible Light Photocatalytic Reduction of CO2 to Hydrocarbon Fuels by Cu-Nanoparticle Decorated Graphene Oxide I Shown, HC Hsu, YC Chang, CH Lin, PK Roy, A Ganguly, CH Wang, ... Nano letters 14 (11), 6097-6103, 2014 | 359 | 2014 |
Wrinkled 2D materials: A versatile platform for low‐threshold stretchable random lasers HW Hu, G Haider, YM Liao, PK Roy, R Ravindranath, HT Chang, CH Lu, ... Advanced Materials 29 (43), 1703549, 2017 | 104 | 2017 |
Trapped Photons Induced Ultrahigh External Quantum Efficiency and Photoresponsivity in Hybrid Graphene/Metal‐Organic Framework Broadband Wearable Photodetectors KP Bera, G Haider, M Usman, PK Roy, HI Lin, YM Liao, CRP Inbaraj, ... Advanced Functional Materials 28 (51), 1804802, 2018 | 71 | 2018 |
Graphene sandwich stable perovskite quantum-dot light-emissive ultrasensitive and ultrafast broadband vertical phototransistors KP Bera, G Haider, YT Huang, PK Roy, CR Paul Inbaraj, YM Liao, HI Lin, ... ACS nano 13 (11), 12540-12552, 2019 | 70 | 2019 |
A highly-efficient single segment white random laser G Haider, HI Lin, K Yadav, KC Shen, YM Liao, HW Hu, PK Roy, KP Bera, ... ACS nano 12 (12), 11847-11859, 2018 | 63 | 2018 |
A SERS tattoo for in situ, ex situ, and multiplexed detection of toxic food additives CM Wang, PK Roy, BK Juluri, S Chattopadhyay Sensors and Actuators B: Chemical 261, 218-225, 2018 | 52 | 2018 |
Ultrasensitive gas sensors based on vertical graphene nanowalls/SiC/Si heterostructure PK Roy, G Haider, TC Chou, KH Chen, LC Chen, YF Chen, CT Liang ACS sensors 4 (2), 406-412, 2019 | 51 | 2019 |
Edge promoted ultrasensitive electrochemical detection of organic bio-molecules on epitaxial graphene nanowalls PK Roy, A Ganguly, WH Yang, CT Wu, JS Hwang, Y Tai, KH Chen, ... Biosensors and Bioelectronics 70, 137-144, 2015 | 41 | 2015 |
Microplasma-enabled graphene quantum dot-wrapped gold nanoparticles with synergistic enhancement for broad band photodetection MK Thakur, CY Fang, YT Yang, TA Effendi, PK Roy, RS Chen, KK Ostrikov, ... ACS applied materials & interfaces 12 (25), 28550-28560, 2020 | 40 | 2020 |
Multicolor ultralow‐threshold random laser assisted by vertical‐graphene network PK Roy, G Haider, HI Lin, YM Liao, CH Lu, KH Chen, LC Chen, WH Shih, ... Advanced Optical Materials 6 (16), 1800382, 2018 | 40 | 2018 |
An ink-jet printed, surface enhanced Raman scattering paper for food screening WJ Liao, PK Roy, S Chattopadhyay RSC advances 4 (76), 40487-40493, 2014 | 33 | 2014 |
Emerging pnictogen-based 2D semiconductors: sensing and electronic devices PK Roy, J Luxa, Z Sofer Nanoscale 12 (19), 10430-10446, 2020 | 28 | 2020 |
Dirac point induced ultralow-threshold laser and giant optoelectronic quantum oscillations in graphene-based heterojunctions YFC Golam Haider, Rini Ravindranath, Tzu-Pei Chen, Prathik Roy, Pradip Kumar ... Nature Communications 8 (1), 256, 2017 | 28 | 2017 |
Detection of melamine on fractals of unmodified gold nanoparticles by surface-enhanced Raman scattering PK Roy, YF Huang, S Chattopadhyay Journal of biomedical optics 19 (1), 011002-011002, 2014 | 25 | 2014 |
Unprecedented random lasing in 2D organolead halide single-crystalline perovskite microrods PK Roy, RK Ulaganathan, CM Raghavan, SM Mhatre, HI Lin, WL Chen, ... Nanoscale 12 (35), 18269-18277, 2020 | 24 | 2020 |
Inkjet‐printed random lasers YM Liao, WC Liao, SW Chang, CF Hou, CT Tai, CY Su, YT Hsu, MH Wu, ... Advanced Materials Technologies 3 (12), 1800214, 2018 | 22 | 2018 |
A plasmon-tuned ‘gold sandwich’for metal enhanced fluorescence in silica coated NaYF 4: Yb, Er upconversion nanoparticles RV Manurung, CT Wu, PK Roy, S Chattopadhyay RSC advances 6 (90), 87088-87095, 2016 | 22 | 2016 |
Non-enzymatic glucose sensing by enhanced Raman spectroscopy on flexible ‘as-grown’CVD graphene S Chattopadhyay, MS Li, PK Roy, CT Wu Analyst 140 (12), 3935-3941, 2015 | 20 | 2015 |
Thermal degradation in edible oils by surface enhanced Raman spectroscopy calibrated with iodine values HY Lam, PK Roy, S Chattopadhyay Vibrational Spectroscopy 106, 103018, 2020 | 19 | 2020 |
Flexible, ultralight, and high-energy density electrochemical capacitors using sustainable materials B Pal, JB Matsoso, AK Parameswaran, PK Roy, D Lukas, J Luxa, ... Electrochimica Acta 415, 140239, 2022 | 17 | 2022 |