Hybrid metal-halide perovskite-MoS₂ Phototransistor

Youngseo Park, Sanghyun Lee, Hui Joon Park, Hyoung Won Baac, Geonwook Yoo, Junseok Heo*

Journal of Nanoscience and Nanotechnology 16, 11722 (2016), DOI: 10.1166/jnn.2016.13581

High-frequency optoacoustic transmitter based on nanostructured germanium via metal-assisted chemical etching

Geonwook Yoo, Youngseo Park, Pilgyu Sang, Hyoung Won Baac, and Junseok Heo*

Opticals Materials Express 6, 2567 (2016), DOI: 10.1364/OME.6.002567

Highly efficient single-junction GaAs thin-film solar cell on flexible substrate

Sunghyun Moon, Kangho Kim, Youngjo Kim, Junseok Heo,* and Jaejin Lee*

Scientific Reports 6, 30107 (2016), DOI: 10.1038/srep30107

Thermally activated trap charges responsible for hysteresis in multilayer MoS₂ field-effect transistors

Youngseo Park, Hyoung Won Baac, Junseok Heo,* and Geonwook Yoo*

Applied Physics Letters 108, 083102 (2016), DOI: 10.1063/1.4942406

Angle- and position-insensitive electrically tunable absorption in graphene by epsilon-near-zero effect

Sangjun Lee, Thang Q. Tran, Myunghwan Kim, Hyungjun Heo, Junseok Heo, and Sangin Kim

Optics Express 23, 33350 (2015), DOI: 10.1364/OE.23.033350

All-Optical Ultrasound Transducer Using CNT-PDMS and Etalon Thin-Film Structure

Geonwook Yoo, Hyunmin Yoon, Jeongmin Heo, Ujwal Kumar Thakur, Hui Joon Park, Hyoung Won Baac, and Junseok Heo*

IEEE Photonics Journal 7, 6803708 (2015), DOI: 10.1109/JPHOT.2015.2496862

InGaN/GaN nanowires grown on SiO₂ and light emitting diodes with low turn on voltages

Youngseo Park, Shafat Jahangir, Yongjun Park, Pallab Bhattacharya, and Junseok Heo*

Optics Express 23, A650 (2015), DOI: 10.1364/OE.23.00A650

Characteristics of AlN/GaN nanowire Bragg mirror grown on (001) silicon by molecular beam epitaxy

Junseok Heo, Zifan Zhou, Wei Guo, Boon S. Ooi, and Pallab Bhattacharya

Applied Physics Letters 103, 181102 (2013), DOI: 10.1063/1.4827338

Room temperature polariton lasing from GaN nanowire array clad by dielectric microcavity

Junseok Heo, Shafat Jahangir, Bo Xiao, and Pallab Bhattacharya

Nano Letters 13, 2376 (2013), DOI: 10.1021/nl400060j

Solid state electrically injected exciton-polariton laser

Pallab Bhattacharya, Bo Xiao, Ayan Das, Sishir Bhowmick, and Junseok Heo

Physical Review Letters 110, 206403 (2013), DOI: 10.1103/PhysRevLett.110.206403

Electrically driven polarized single-photon emission from an InGaN quantum dot in a GaN nanowire

Saniya Deshpande, Junseok Heo, Ayan Das, and Pallab Bhattacharya

Nature Communications 4, 1675 (2013), DOI: 10.1038/ncomms2691

Polariton Bose-Einstein condensate at room temperature in a Al(Ga)N nanowire-dielectric microcavity with a spatial potential trap

Ayan Das, Pallab Bhattacharya, Junseok Heo, Animesh Banerjee, and Wei Guo

Proceedings of the National Academy of Sciences of the United States of America 110, 2735 (2013), DOI: 10.1073/pnas.1210842110

A quantum dot rolled-up microtube directional coupler

Sishir Bhowmick, Junseok Heo, and Pallab Bhattacharya

Applied Physics Letters 101, 171111(2012), DOI: 10.1063/1.4764530

Room temperature strong coupling effects from single ZnO nanowire microcavity

Ayan Das, Junseok Heo, Adrian Bayraktaroglu, Wei Guo, Tien-Khee Ng, Jamie Phillips, Boon S. Ooi, and Pallab Bhattacharya

Optics Express 20, 11830 (2012), DOI: 10.1364/OE.20.011830

Room temperature single GaN nanowire spin valves with FeCo/MgO tunnel contacts

Hyun Kum, Junseok Heo, Shafat Jahangir, Animesh Banerjee, Wei Guo, and Pallab Bhattacharya

Applied Physics Letters 100, 182407 (2012), DOI: 10.1063/1.4711850

Threshold Characteristics of Quantum Dot Rolled-up Microtube Lasers

Junseok Heo, Sishir Bhowmick, and Pallab Bhattacharya

IEEE Journal of Quantum Electronics 48, 927 (2012), DOI: 10.1109/JQE.2012.2197177

Coherent and directional emission at 1.55 μm from PbSe colloidal quantum dot electroluminescent device on silicon

Junseok Heo, Zhenyu Jiang, Jian Xu, and Pallab Bhattacharya

Optics Express 19, 26394 (2011), DOI: 10.1364/OE.19.026394

Spin relaxation in InGaN quantum disks in GaN nanowire

Animesh Banerjee, Fatih Dogan, Junseok Heo, Aurelien Manchon, Wei Guo, and Pallab Bhattacharya

Nano Letters 11, 5396 (2011), DOI: 10.1021/nl203091f

Room Temperature Ultralow Threshold GaN Nanowire Polariton Laser

Ayan Das, Junseok Heo, Marc Jankowski, Wei Guo, Lei Zhang, Hui Deng, and Pallab Bhattacharya

Physical Review Letters 107, 066405 (2011), DOI: 10.1103/PhysRevLett.107.066405

Monolithic single GaN nanowire laser with photonic crystal microcavity on silicon

Junseok Heo, Wei Guo, and Pallab Bhattacharya

Applied Physics Letters 98, 021110 (2011), DOI: 10.1063/1.3540688