References
- Wang X, Maeda K, Thomas A, et al. A metal-free polymeric photocatalyst for hydrogen production from water under visible light. Nat Mat. 2009;8:76–80.
- Kailasam K, Mesch MB, Möhlmann L, et al. Donor–acceptor–type heptazine–based polymer networks for photocatalytic hydrogen evolution. Energy Technol. 2016;4:744–750.
- Dang QQ, Zhan YF, Wang XM, et al. Heptazine-based porous framework for selective CO2 sorption and organocatalytic performances. ACS Appl Mater Interfaces. 2015;7:28452–28458.
- Ma D, Li B, Cui Z, et al. Multifunctional luminescent porous organic polymer for selectively detecting iron ions and 1, 4-dioxane via luminescent turn-off and turn-on sensing. ACS Appl Mater Interfaces. 2016;8:24097–24103.
- Liu K, Li B, Li Y, et al. An N-rich metal–organic framework with an rht topology: high CO2 and C2 hydrocarbons uptake and selective capture from CH4. Chem Commun. 2014;50:5031–5033.
- Li J, Nomura H, Miyazaki H, et al. Highly efficient exciplex organic light-emitting diodes incorporating a heptazine derivative as an electron acceptor. Chem Commun. 2014;50:6174–6176.
- Li J, Nakagawa T, MacDonald J, et al. Highly efficient organic light‐emitting diode based on a hidden thermally activated delayed fluorescence channel in a heptazine derivative. Adv Mater. 2013;25:3319–3323.
- Kroke E, Schwarz M. Novel group 14 nitrides. Coord Chem Rev. 2004;248:493–532.
- Liu AY, Cohen ML. Prediction of new low compressibility solids. Science. 1989;245:841–843.
- Qiu Y, Gao L. Chemical synthesis of turbostratic carbon nitride, containing C–N crystallites, at atmospheric pressure. Chem Commun. 2003;2378–2379.
- Dibandjo P, Bois L, Chassagneux F, et al. Synthesis of boron nitride with ordered mesostructure. Adv Mater. 2005;17:571–574.
- Kawaguchi M, Yagi S, Enomoto H. Chemical preparation and characterization of nitrogen-rich carbon nitride powders. Carbon. 2004;42:345–350.
- Zimmerman JL, Williams R, Khabashesku VN, et al. Synthesis of spherical carbon nitride nanostructures. Nano Lett. 2001;1:731–734.
- Kim M, Hwang S, Yu JS. Novel ordered nanoporous graphitic C3N4 as a support for Pt–Ru anode catalyst in direct methanol fuel cell. J Mater Chem. 2007;17:1656–1659.
- Zhao Z, Li W, Dai Y, et al. Carbon nitride encapsulated nanodiamond hybrid with improved catalytic performance for clean and energy-saving styrene production via direct dehydrogenation of ethylbenzene. ACS Sustainable Chem Eng. 2015;3:3355–3364.
- Zhou Z, Wang J, Yu J, et al. Dissolution and liquid crystals phase of 2D polymeric carbon nitride. J Am Chem Soc. 2015;137:2179–2182.
- Lin Z, Wang X. Nanostructure engineering and doping of conjugated carbon nitride semiconductors for hydrogen photosynthesis. Angew Chem Int Ed. 2013;52:1735–1738.
- Deifallah M, McMillan PF, Corà F. Electronic and structural properties of two-dimensional carbon nitride graphenes. J Phys Chem C. 2008;112:5447–5453.
- Vinu A, Ariga K, Mori T, et al. Preparation and characterization of well‐ordered hexagonal mesoporous carbon nitride. Adv Mater. 2005;17:1648–1652.
- Kaafarani BR. Discotic liquid crystals for opto-electronic applications. Chem Mater. 2010;23:378–396.
- Choudhury TD, Rao NV, Tenent R, et al. Homeotropic alignment and director structures in thin films of triphenylamine-based discotic liquid crystals controlled by supporting nanostructured substrates and surface confinement. J Phys Chem B. 2011;115:609–617.
- Schmidt-Mende L, Fechtenkötter A, Müllen K, et al. Self-organized discotic liquid crystals for high-efficiency organic photovoltaics. Science. 2001;293:1119–1122.
- Feng X, Marcon V, Pisula W, et al. Towards high charge-carrier mobilities by rational design of the shape and periphery of discotics. Nat Mater. 2009;8:421–426.
- Gregg BA, Fox MA, Bard AJ. Photovoltaic effect in symmetrical cells of a liquid crystal porphyrin. J Phys Chem. 1990;94:1586–1598.
- Bunk O, Nielsen MM, Sølling TI, et al. Induced alignment of a solution-cast discotic hexabenzocoronene derivative for electronic devices investigated by surface X-ray diffraction. J Am Chem Soc. 2003;125:2252–2258.
- Craats AM, Stutzmann N, Bunk O, et al. Meso-epitaxial solution-growth of self-organizing discotic liquid-crystalline semiconductors. Adv Mater. 2003;15:495–499.
- McCulloch I, Heeney M, Bailey C, et al. Liquid-crystalline semiconducting polymers with high charge-carrier mobility. Nat Mater. 2006;5:328–333.
- Engelkamp H, Nolte RJ. Molecular materials based on crown ether functionalized phthalocyanines. J Porphyrins Phthalocyanines. 2000;4:454–459.
- Matharu AS, Jeeva S, Ramanujam P. Liquid crystals for holographic optical data storage. Chem Soc Rev. 2007;36:1868–1880.
- Chandrasekhar S, Balagurusamy V. Discotic liquid crystals as quasi–one–dimensional electrical conductors. Proc R Soc A. 2002;485:1783–1794.
- Kumar S. Recent developments in the chemistry of triphenylene-based discotic liquid crystals. Liq Cryst. 2004;31:1037–1059.
- Mishra M, Kumar S, Dhar R. Gold nanoparticles in plastic columnar discotic liquid crystalline material. Thermochim Acta. 2016;631:59–70.
- Achalkumar AS, Veerabhadraswamy B, Hiremath US, et al. Photoluminescent discotic liquid crystals derived from tris (N-salicylideneaniline) and stilbene conjugates: structure–property correlations. Dyes Pigments. 2016;132:291–305.
- Setia S, Sidiq S, De J, et al. Applications of liquid crystals in biosensing and organic light-emitting devices: future aspects. Liq Cryst. 2016;43:2009–2050.
- Gupta R, Manjuladevi V, Karthik C, et al. Thin films of discotic liquid crystals and their applications. Liq Cryst. 2016;43:2079–2091.
- Said SM, Mahmood MS, Daud MN, et al. Structure-electronics relations of discotic liquid crystals from a molecular modelling perspective. Liq Cryst. 2016;43:2092–2113.
- Yaduvanshi P, Mishra A, Kumar S, et al. Effect of silver nanoparticles on frequency and temperature-dependent electrical parameters of a discotic liquid crystalline material. Liq Cryst. 2015;42:1478–1489.
- Zhou Z, Shang Q, Shen Y, et al. Chemically modulated carbon nitride nanosheets for highly selective electrochemiluminescent detection of multiple metal-ions. Anal Chem. 2016;88:6004–6010.
- Rajan YC, Shellaiah M, Huang C-T, et al. Synthesis of novel supramolecular triads bearing a H-bonded perylene bisimide core. Tetrahedron. 2012;68:7926–7931.
- Sayed SM, Lin B-P, Yang H. Generation of liquid crystallinity from a Td-symmetry central unit. Soft Matter. 2016;12:6148–6156.
- Pan L, Hu B, Zhu X, et al. Role of oxadiazole moiety in different D–A polyazothines and related resistive switching properties. J Mater Chem C. 2013;1:4556–4564.
- Schwarzer A, Saplinova T, Kroke E. Tri-s-triazines (s-heptazines)—from a “mystery molecule” to industrially relevant carbon nitride materials. Coord Chem Rev. 2013;257:2032–2062.
- Lau VW, Moudrakovski I, Botari T, et al. Rational design of carbon nitride photocatalysts by identification of cyanamide defects as catalytically relevant sites. Nat Commun. 2016;7:1–10.
- Li Q. Liquid crystals beyond displays: chemistry, physics, and applications. Hoboken, NJ: John Wiley & Sons; 2012.
- Ye Q, Chang J, Huang K-W, et al. Thiophene-fused tetracene diimide with low band gap and ambipolar behavior. Org Lett. 2011;13:5960–5963.
- WöHrle T, Wurzbach I, Kirres J, et al. Discotic liquid crystals. Chem Rev. 2015;116:1139–1241.
- Sergeyev S, Pisula W, Geerts YH. Discotic liquid crystals: a new generation of organic semiconductors. Chem Soc Rev. 2007;36:1902–1929.