Publication

[41]. P.-C. Shen*, Y. Lin*, C. Su, C. McGahan, A.-Y. Lu, X. Ji, X. Wang, H. Wang, N. Mao, Y. Guo, J.-H. Park, Y. Wang, W. Tisdale, J. Li, X. Ling, K. E. Aidala, T. Palacios, J. Kong, "Healing of donor defect states in monolayer molybdenum disulfide using oxygen-incorporated chemical vapour deposition", Nat. Electron. 5, 28-36 (2022). Link

[40]. Y. Guo*, Y. Lin*, K. Xie*, B. Yuan, J. Zhu, P.-C. Shen, A.-Y. Lu, C. Su, E. Shi, K. Zhang, C. HuangFu, H. Xu, Z. Cai, J.-H. Park, Q. Ji, J. Wang, X. Dai, X. Tian, S. Huang, L. Dou, L. Jiao, J. Li, Y. Yu, J.-C. Idrobo, T. Cao, T. Palacios, J. Kong. "Designing artificial two dimensional landscapes via atomic layer substitution", PNAS 118, e2106124118 (2021). Link  arXiv:2011.07690. Link

[39]. P.-C. Shen*, C. Su*, Y. Lin*, A.-S. Chou*, C.-C. Cheng, J.-H. Park, M.-H. Chiu, A.-Y. Lu, H.-L. Tang, M. M. Tavakoli, G. Pitner, X. Ji, Z. Cai, N. Mao, J. Wang, V. Tung, J. Li, J. Bokor, A. Zettl, C.-I Wu, T. Palacios, L.-J. Li, J. Kong, "Ultralow contact resistance between semimetal and monolayer semiconductors", Nature 593, 211-217 (2021). Link

[38]. Y. Sun*, Y. Lin*, A. Zubair, D. Xie, T. Palacios, "Graphene/WSe2 heterojunction synaptic phototransistor with both electrically and optically tunable plasticity", 2D Mater. 8, 035034 (2021). Link

[37]. R. Li, X. Ma, J. Li, J. Cao, H. Gao, T. Li, X. Zhang, L. Wang, Q. Zhang, G. Wang, C. Hou, Y. Li, T. Palacios, Y. Lin#, H. Wang, X. Ling, "Flexible and high-performance electrochromic devices enabled by self-assembled MXene/2D TiO2 heterojunctions", Nat. Commun. 12, 1587 (2021). Link

[36]. B. Han*, Y. Lin*#, Y. Yang, N. Mao, W. Li, H. Wang, K. Yasuda, X. Wang, V. Fatemi, L. Zhou, J. I-J. Wang, Q. Ma, Y. Cao, D. Rodan-Legrain, Y.-Q. Bie, E. Navarro-Moratalla, D. Klein, D. MacNeill, S. Wu, W. H. Kitadai, X. Ling, P. Jarillo-Herrero#, J. Kong#, J. Yin#, T. Palacios#, "Deep-learning-enabled fast optical characterization and characterization of two-dimensional materials", Adv. Mater. 32, 2000953 (2020). Link arXiv:1906.11220. Link

[35]. (Invited review) C. Mackin, A. Fasoli, M. Xue, Y. Lin, A. Adebiyi, L. Bozano, T. Palacios "Smart sensor systems based on 2D and other thin  film materials", 2D Mater. 7, 022002 (2020). Link

[34]. Y. Lin*, Q. Ma*, P.-C. Shen*, B. Ilyas, Y. Bie, A. Liao, E. Ergecen, B. Han, N. Mao, X. Zhang, X. Ji, Y. Zhang, J. Yin, S. Huang, M. Dresselhaus, N. Gedik, P. Jarillo-Herrero, X. Ling, J. Kong, T. Palacios, "Asymmetric hot-carrier thermalization and broadband photoresponse in graphene-2D semiconductor lateral heterojunctions", Sci. Adv. 5, eaav1493 (2019). Link

[33]. (Invited review) P.-C. Shen, Y. Lin, H. Wang, J.-H. Park, W. S. Leong, A.-Y. Lu, T. Palacios, J. Kong, "CVD technology for 2D materials", IEEE Trans. Electon Devices, 65, 4040-4052 (2018). Link

[32]. X. Ling*, Y. Lin*, Q. Ma, Z. Wang, Y. Song, L. Yu, S. Huang, W. Fang, X. Zhang, A. L. Hsu, Y. Bie, Y.-H. Lee, Y. Zhu, L. Wu, J. Li, P. Jarillo-Herrero, M. Dresselhaus, T. Palacios, J. Kong, "Parallel stitching of 2D materials", Adv. Mater. 28, 2322-2329 (2016). Link

[31]. Y. Lin#, X. Ling, L. Yu, S. Huang, A. L. Hsu, Y.-H. Lee, J. Kong, M. S. Dresselhaus#, T. Palacios#, "Dielectric screening of excitons and trions in single-layer MoS2", Nano Lett. 14, 5569-5576 (2014). Link

[30]. Y. Lin*, X. Li*, D. Xie, T. Feng, Y. Chen, R. Song, H. Tian, T. Ren, M. Zhong, K. Wang, H. Zhu, ”Graphene/semiconductor heterojunction solar cells with modulated antireflection and graphene work function", Energy Environ. Sci. 6, 108-115 (2013). Link

[29]. G. B. Barin, Q. Sun, M. Di Giovannantonio, C.-Z. Du, X.-Y. Wang, J. P. Llinas, Z. Mutlu, Y. Lin, J. Wilhelm, J. Overbeck, C. Daniels, M. Lamparski, H. Sahabudeen, M. L. Perrin, J. I. Urgel, S. Mishra, A. Kinikar, R. Widmer, S. Stolz, M. Bommert, C. Pignedoli, X. Feng, M. Calame, K. Müllen, K. Narita, V. Meunier, J. Bokor, R. Fasel, P. Ruffieux, "Growth optimization and device integration of narrow-bandgap graphene nanoribbons", Small 18, 2202301 (2022). Link. arXiv:2202.01101. Link

[28]. S. Mondal, Y. Lin, D. Polley, C. Su, A. Zettl, S. Salahuddin, J. Bokor, "Accelerated ultrafast magnetization dynamics at graphene/CoGd interfaces", ACS Nano 16, 9620-9630 (2022). Link

[27]. J. Dai, T. Yang, Z. Jin, Y. Zhong, X. Hu, J. Zou, W. Xu, T. Li, Y. Lin, X. Zhang, L. Zhou, "Controlled growth of two-dimensional InAs single crystals via van der Waals epitaxy", Nano Res. 15, 9954-9959 (2022). Link

[26]. E. Shi, Y. Guo, J. Zhu, P-C. Shen, J. Wang, Y. Lin, Y. Mao, D. Li, J.-H. Park, A.-Y. Lu, S. Zhang, Q. Ji, Z. Li, C. Qiu, S. Qiu, Q. Li, L. Dou, Y. Wu, J. Zhang, T. Palacios, Y. Wu, J. Zhang, A. Cao, J. Kong, "Soft-lock drawing of super-aligned carbon nanotube bundles for nanometer electrical contacts", Nat. Nanotechn. 17, 278-284 (2022). Link

[25]. Z. Mutlu, P. H. Jacobse, R. D. McCurdy, J. P. Llinas, Y. Lin, G. C. Veber, F. R. Fischer, M. F. Crommie, J. Bokor, "Bottom-up synthesized nanoporous graphene transistors", Adv. Funct. Mater. 31, 2103798 (2021). Link

[24]. M. Sun, J. Li, Q. Ji, Y. Lin, J. Wang, C. Su, M-H. Chiu, Y. Sun, H. Si, T. Palacios, J. Lu, D. Xie, J. Kong, "Anomalous heavy doping in chemical-vapor-deposited titanium trisulfide nanostructures", Phys. Rev. Mater. 5, 094002 (2021). Link

[23]. N. Mao, Y. Lin, Y.-Q. Bie, T. Palacios, L. Liang, R. Saito, X. Ling, J. Kong, W. Tisdale, "Resonance enhanced excitation of interlayer vibrations in atomically thin black phosphorus", Nano Lett. 21, 4809-4815 (2021). Link

[22]. E. McVay, A. Zubair, Y. Lin, A. Nourbakhsh, T. Palacios, "Impact of Al2O3 passivation on the photovoltaic performance of vertical WSe2 Schottky junction solar cells", ACS Appl. Mater. & Inter. 12, 57897-57995 (2020). Link arXiv:2006.16517. Link

[21]. J. Cao, T. Li, H. Gao, Y. Lin, X. Wang,  H. Wang, T. Palacios, X. Ling, "Realization of 2D crystalline metal nitrides via selective atomic substitution", Sci Adv. 6, eaax8784 (2020). Link arXiv:1910.01695. Link

[20]. N. Mao, X. Wang, Y. Lin, B. G. Sumpter, Q. Ji, T. Palacios, S. Huang, V. Meunier, M. S. Dresselhaus, W. Tisdale, L. Liang, X. Ling, J. Kong, "Direct observation of symmetry-dependent electron-phonon coupling in black phosphorus", J. Am. Chem. Soc. 141, 18994-19001 (2019). Link

[19]. Y. Sun, L. Qian, D. Xie, Y. Lin, M. Sun, W. Li, L. Ding, T. Ren, T. Palacios, "Photo-electric synaptic plasticity realized by 2D perovskite", Adv. Funct. Mater. 29, 1902538 (2019). Link

[18]. Y. Guo, P.-C. Shen, C. Su, A.-Y. Lu, M. Hempel, Y. Han, Q. Ji, Y. Lin, E. Shi, E. McVay, L. Dou, D. A. Muller, T. Palacios, J. Li, X. Ling, J. Kong, "Additive manufacturing of patterned 2D semiconductor through recyclable masked growth", PNAS 116, 3437-3442 (2019). Link

[17]. X. Zhang, J. Grajal, J. L. Vazquez-Roy, U. Radhakrishna, X. Wang, W. Chern, L. Zhou, Y. Lin, P.-C. Shen, X. Ji, X. Ling, A. Zubair, Y. Zhang, H. Wang, M. Dubey, J. Kong, M. Dresselhaus, T. Palacios, "Two-dimensional MoS2-enabled  flexible rectenna for Wi-Fi-band wireless energy harvesting", Nature 566, 368-372 (2019). Link

[16]. Q. Ma, C. H. Lui, J. C. W. Song, Y. Lin, J. F. Kong, Y. Cao, T. H. Dinh, N. L. Nair, W. Fang, K. Watanabe, T. Taniguchi, S.-Y. Xu, J. Kong, T. Palacios, N. Gedik, N. M. Gabor, P. Jarillo-Herrero, "Giant intrinsic photoresponse in pristine graphene", Nat. Nanotechn. 14, 145-150 (2019). Link

[15]. Q. Ma, S.-Y. Xu, C.-K. Chan, C.-L. Zhang, G. Chang, Y. Lin, T. Palacios, H. Lin, S. Jia, P. A. Lee, P. Jarillo-Herrero, N. Gedik, "Direct optical detection of Weyl fermion chirality in TaAs", Nat. Phys. 13, 842-847 (2017). Link

[14]. Z. Chen, Z. Wang, X. Li, Y. Lin, N. Luo, M. Long, N. Zhao, J. B. Xu, "Flexible piezoelectric-induced pressure sensors for static measurements based on nanowires/graphene heterostructures", ACS Nano 11, 4507-4513 (2017). Link

[13]. S. Huang, T. Ming, Y. Lin, X. Ling, Q. Ruan, T. Palacios, J. Wang, M. Dresselhaus, J. Kong, "Ultrasmall mode volumes in plasmonic cavities of nanoparticle-on-mirror structures", Small 12, 5190-5199 (2016). Link

[12]. L. Yu, D. El-Damak, U. Radhakrishna, X. Ling, A. Zubair, Y. Lin, Y. Zhang, M.-H. Chuang, Y.-H. Lee, D. Antoniadis, J. Kong, A. Chandrakasan, T. Palacios, "Design, modeling, and fabrication of chemical vapor deposition grown MoS2 circuits with E-mode FETs for large-area electronics", Nano Lett. 16, 6349-6356 (2016). Link

[11]. L. Yu, A. Zubair, E. J. G. Santos, X. Zhang, Y. Lin, Y. Zhang, T. Palacios, "High-performance WSe2 complementary metal oxide semiconductor technology and integrated circuits", Nano Lett. 15, 4928-4934 (2015). Link

[10]. G. M. Akselrod, T. Ming, C. Argyropoulos, T. B. Hoang, Y. Lin, X. Ling, D. R. Smith, J. Kong, M. H. Mikkelsen, "Leveraging nanocavity harmonics for control of optical processes in 2D semiconductors", Nano Lett. 15, 3578-3584 (2015). Link

[9]. Y. Zhang, M. Sun, H.-Y. Wong, Y. Lin, P. Srivastava, C. Hatem, M. Azize, D. Piedra, L. Yu, T. Sumitomo, N. A. de Braga, R. V. Mickevicius, T. Palacios, "Origin and control of OFF-state leakage current in GaN-on-Si vertical diodes", IEEE Trans. Elect. Dev. 62, 2155-2161 (2015). Link

[8]. L. Yu, Y.-H. Lee, X. Ling, E. J. G. Santos, Y. C. Shin, Y. Lin, M. Dubey, E. Kaxiras, J. Kong, H. Wang, T. Palacios, “Graphene/MoS2 hybrid technology for large-scale two-dimensional electronics", Nano Lett., 14, 3055-3063 (2014). Link

[7]. X. Ling, W. Fang, Y.-H. Lee, P. T. Araujo, X. Zhang, J. F. Rodriguez-Nieva, Y. Lin, J. Zhang, J. Kong, M. S. Dresselhaus, ”Raman enhancement effect on two-dimensional layered materials: graphene, h-BN and MoS2", Nano Lett., 14, 3033-3040 (2014). Link

[6]. X. Ling, Y.-H. Lee, Y. Lin, W. Fang, L. Yu, M. S. Dresselhaus, J. Kong, “Role of the seeding promoter in MoS2 growth by chemical vapor deposition", Nano Lett., 14, 464-472 (2014). Link

[5]. T. Feng, D. Xie, Y. Lin, H. Tian, H. Zhao, T. Ren, H. Zhu, "Unipolar to ambipolar conversion in graphene  field-effect transistors", Appl. Phys. Lett. 101, 253505 (2012). Link

[4]. T. Feng, D. Xie, Y. Lin, H. Zhao, Y. Chen, H. Tian, T. Ren, X. Li, Z. Li, K. Wang, D. Wu, H. Zhu, "Efficiency enhancement of graphene/silicon-pillar-array solar cells by HNO3 and PEDOT-PSS", Nanoscale 4, 2130-2133 (2012). Link

[3]. H. Tian, D. Xie, Y. Yang, T.-L. Ren, Y.-X. Lin, Y. Chen, Y.-F. Wang, C.-J. Zhou, P.-G. Peng, L.-G. Wang, L.-T. Liu, "Flexible, ultrathin, and transparent sound-emitting devices using silver nanowire  film", Appl. Phys. Lett. 99, 253507 (2011). Link

[2]. T. Feng, D. Xie, Y. Lin, Y. Zang, T. Ren, H. Zhao, H. Tian, X. Li, H. Zhu, L. Liu, "Graphene based Schottky junction solar cells on patterned silicon-pillar-array substrate", Appl. Phys. Lett. 99, 233505 (2011). Link

[1]. Y. Zang, D. Xie, X. Wu, Y. Chen, Y. Lin, M. Li, H. Tian, X. Li, Z. Li, H. Zhu, T. Ren, D. Plant, "Enhanced photovoltaic properties in graphene/polycrystalline BiFeO3/Pt heterojunction structure", Appl. Phys. Lett. 99, 132904 (2011). Link

[24]. N. Yang, Y. C. Lin#, C.-P. Chuu, S. Rahman, T. Wu, A.-S. Chou, S.-L. Liew, K. Fujiwara, H.-Y. Chen, J. Ikeda, A. Tsukazaki, D.-H. Hou, W.-Y. Woon, S. Liao, S. Huang, X. Qian, J. Guo, I. Radu, H.-S. P. Wong, H. Wang, "Computational screening and multiscale simulation of barrier-free contacts for 2D semiconductor pFETs", 2022 IEEE International Electron Device Meeting (IEDM), San Fransisco, CA, December 2022.

[23]. A.-S. Chou, Y.-T. Lin, Y. C. Lin, C.-H. Hsu, M.-Y. Li, S.-L. Liew, S. A. Chou, H.-Y. Chen, H.-Y. Chiu, P.-H. Ho, M.-C. Hsu, N. Yang, W.-Y. Woon, S. Liao, D.-H. Hou, C.-H. Chien, W.-H. Chang, I. P. Radu, C.-I Wu, H.-S. P. Wong, H. Wang, "High-performance monolayer WSe2 p/n FET via antimony-platinum modulated contact technology towards 2D CMOS electronics",  2022 IEEE International Electron Device Meeting (IEDM), San Fransisco, CA, December 2022. 

[22]. (Invited talk) Y. C. Lin, "Semimetal device technology for 2D semiconductor electronics",  MRS 2022 Fall Meeting, Boston, MA, December 2022.

[21]. Z. Wang, Y. Lin, K. Zhang, W. Wu, S. Huang, "EllipsoNet - deep-learning-enabled optical ellipsometry for complex thin films", MRS 2022 Fall Meeting, Boston, MA, December 2022.

[20]. M.-Y. Li, C.-H. Hsu, S.-W. Shen, A.-S. Chou, Y. C. Lin, C.-P. Chuu, N. Yang, S.-A. Chou, L.-Y. Huang, C.-C. Cheng, W.-Y. Woon, S. Liao, C.-I Wu, L.-J. Li, I. Radu, H.-S. P. Wong, H. Wang, "Wafer-scale Bi-assisted semi-auto dry transfer and fabrication of high-performance monolayer CVD WS2 transistor", 2022 IEEE Symposium on VLSI Technology and Circuits, Honolulu, HI, June 2022.

[19]. Z. Wang, Y. Lin, K. Zhang, W. Wu, S. Huang, "Deep-learning-enabled optical ellipsometrty for complex thin films and 2D materials", APS March Meeting 2022, Chicago, IL, March 2022.

[18]. (Invited paper) Y. Lin#, P.-C. Shen, C. Su, A.-S. Chou, T. Wu, C.-C. Cheng, J.-H. Park, M.-H. Chiu, A.-Y. Lu, H.-L. Tang, M. M. Tavakoli, G. Pitner, X. Ji, C. McGahan, X. Wang, Z. Cai, N. Mao, J. Wang, Y. Wang, W. Tisdale, X. Ling, K. E. Aidala, V. Tung, J. Li, A. Zettl, C.-I. Wu, J. Guo, H. Wang, J. Bokor, T. Palacios, L.-J. Li, J. Kong, "Contact engineering for high-performance N-type 2D semiconductor transistors", 2021 IEEE International Electron Device Meeting (IEDM), San Fransisco, CA, December 2021.

[17]. Z. Mutlu*, Y. Lin*, G. B. Barin*, Z. Zhang, G. Pitner, S. Wang, R. Darawish, M. Di Giovannantonio, H. Wang, J. Cai, M. Passlack, C. H. Diaz, A. Narita, K. Müllen, F. R. Fischer, P. Bandaru, A. C. Kummel, P. Ruffieux, R. Fasel, J. Bokor, "Short-channel double-gate FETs with atomically precise graphene nanoribbons", 2021 IEEE International Electron Device Meeting (IEDM), San Fransisco, CA, December 2021.

[16]. Y. Lin, C. Su, P.-C. Shen, A.-S. Chou, C.-C. Cheng, J.-H. Park, M.-H. Chiu, A.-Y. Lu, H.-L. Tang, J. Li, A. Zettl, T. Palacios, L.-J. Li, J. Bokor, J. Kong, "Towards high-performance monolayer semiconductor transistors with semimetallic ohmic contact", APS March Meeting 2021, online, March 2021.

[15]. Y. Lin, G. Borin Barin, Z. Mutlu, J. Llinas, A. Narita, K. Müllen, P. Rueux, R. Fasel, J. Bokor, "Theoretical investigation of bottom-up synthesized graphene nanoribbon transistors", APS March Meeting 2021, online, March 2021.

E. McVay, Y. Lin, J. Han, Q. Ma, J. Kong, P. Jarillo-Herrero, V. Bulovic, J. Lang, F. Niroui, T. Palacios, "Self-assembled molecular junction bolometers for mid infrared detection", APS March Meeting 2021, online, March 2021.

[14]. Y. Lin, B. Han, Y. Yang, P. Jarillo-Herrero, J. Yin, J. Kong, T. Palacios, "Deep learning accelerated optical characterization system for two-dimensional material research", 2020 MRS Virtual Spring/Fall Meeting, online, December 2020.

[13]. C. McGahan, P. C. Shen, Y. Lin, A. Cavanagh, T. Palacios, J. Kong, K. Aidala, "Comparative KPFM measurements on doped monolayer MoS2", APS March Meeting 2020, Denvor, CO, March 2020.

[12]. Y. Lin, B. Han, W. Li, N.Mao, Y. Yang, H.Wang, W. S. Leong, P. Jarillo-Herrero, T. Palacios, J. Yin, J. Kong, "Deep learning assisted optical identification of exfoliated two-dimensional crystals", APS March Meeting 2019, Boston, MA, March 2019.

[11]. X. Ling, T. Li, Y. Guo, Y. Lin, J. Kong, "Bottom-up synthesis of transition metal dichalcogenides and nanostructures", 256th ACS National Meeting, Boston, MA, Aug. 2018.

[10]. Y. Lin, Q. Ma, P.-C. Shen, M. Dresselhaus, P. Jarillo-Herrero, X. Ling, J. Kong, T. Palacios, "Broadband photoresponse from asymmetric hot-carrier thermalizations in atomically thin lateral heterojunctions", APS March Meeting 2018, Los Angeles, CA, March, 2018.

[9]. P.-C. Shen, Y. Lin, X. Wang, X. Ling, T. Palacios, J. Kong, "Unraveling the effect of multiple defect states in synthetic monolayer MoS2 through electronic and optical probes", APS March Meeting 2018, Los Angeles, CA, March 2018.

[8]. Y. Zhang, M. Sun, D. Piedra, J. Hu, Z. Liu, Y. Lin, X. Gao, K. Shepard, T. Palacios, "1200 V GaN vertical  n power  field-effect transistors", 2017 IEEE International Electron Device Meeting (IEDM), San Francisco, CA, December 2017.

[7]. L. Yu, D. El-Damak, U. Radhakrishna, A. Zubair, D. Peidra, X. Ling, Y. Lin, Y. Zhang, Y.-H. Lee, D. Antoniadis, J. Kong, A. Chandrakasan, T. Palacios, "High-yield large-area MoS2 technology: material, device and circuits co-optimization", 2016 IEEE International Electron Device Meeting (IEDM), San Francisco, CA, December 2016.

[6]. Y. Zhang, M. Sun, Z. Liu, D. Piedra, M. Pan, X. Gao, Y. Lin, A. Zubair, L. Yu, T. Palacios, "Novel GaN trench MIS barrier Schottky rectifiers with implanted  field rings", 2016 IEEE International Electron Device Meeting (IEDM), San Francisco, CA, December 2016.

[5]. L. Yu, A. Nourbakhsh, H. Wang, Y. Lin, A. Hsu, E. Mcvay, M. Hempel, S. Ha, D. R. El-Damak, C. Mackin, M. Dubey, M. Dresselhaus, A. Chandrakasan, J. Kong, T. Palacios, "System-level applications of two-dimensional materials: challenges and opportunities", Graphene 2016, Genova, Italy, April 2016.

[4]. L. Yu, D. El-Damak, S. Ha, X. Ling, Y. Lin, A. Zubair, Y. Zhang, Y.-H. Lee, J. Kong, A. Chandrakasan, T. Palacios, "Enhancement-mode single-layer CVD MoS2 FET technology for digital electronics", 2015 IEEE International Electron Device Meeting (IEDM), Washington, DC, December 2015.

[3]. Y. Lin, X. Ling, J. Kong, T. Palacios, M. Dresselhaus, "Selective generation of excitons and trions in single-layer MoS2 by solvent-based dielectric screening", MRS 2014 Fall Meeting, Boston, MA, December 2014.

X. Ling, Y. Lin, Q. Ma, J. Kong, M. Dresselhaus, "Synthesis and photoresponse of the graphene-MoS2 in-plane heterostructures", APS March Meeting 2014, Denver, CO, March, 2014.

[2]. Y. Lin, X. Ling, A. L. Hsu, L. Yu, A. R. Paschoal, E. B. Barros, M. S. Dresselhaus, T. Palacios, J. Kong, "Optical properties of monolayer molybdenum disulfide at high carrier density", MRS 2013 Fall Meeting, Boston, MA, December 2013.

[1]. (Best poster award) Y. Lin, D. Xie, Y. Chen, T. Feng, Q. Shao, H. Tian, T. Ren, X. Li, X. Li, L. Fan, K. Wang, D. Wu, H. Zhu, "Optimization of graphene/silicon heterojunction solar cells", 38th IEEE Photovoltaic Specialists Conference (PVSC), Austin, TX, June 2012.