[1] U V Ghorpade, M P Suryawanshi, M A Green et al. Emerging chalcohalide materials for energy applications. Chem Rev, 123, 327(2023).

[2] E Wlaźlak, A Blachecki, M Bisztyga-Szklarz et al. Heavy pnictogen chalcohalides: The synthesis, structure and properties of these rediscovered semiconductors. Chem Commun, 54, 12133(2018).

[3] D Mihailovic. Inorganic molecular wires: Physical and functional properties of transition metal chalco-halide polymers. Prog Mater Sci, 54, 309(2009).

[4] B Xu, T L Feng, M T Agne et al. Manipulating band structure through reconstruction of binary metal sulfide for high-performance thermoelectrics in solution-synthesized nanostructured Bi13S18I2. Angew Chem Int Ed, 57, 2413(2018).

[5] D Quarta, S Toso, R Giannuzzi et al. Colloidal bismuth chalcohalide nanocrystals. Angew Chem Int Ed, 61, e202201747(2022).

[6] S Johnsen, Z F Liu, J A Peters et al. Thallium chalcohalides for X-ray and γ-ray detection. J Am Chem Soc, 133, 10030(2011).

[7] R M Nie, J Im, S I Seok. Efficient solar cells employing light-harvesting Sb0.67Bi0.33SI. Adv Mater, 31, 1808344(2019).

[8] R M Nie, K S Lee, M M Hu et al. Heteroleptic tin-antimony sulfoiodide for stable and lead-free solar cells. Matter, 3, 1701(2020).

[9] R M Nie, B Kim, S T Hong et al. Nanostructured heterojunction solar cells based on Pb2SbS2I3: Linking lead halide perovskites and metal chalcogenides. ACS Energy Lett, 3, 2376(2018).

[10] Q A Akkerman, G Rainò, M V Kovalenko et al. Genesis, challenges and opportunities for colloidal lead halide perovskite nanocrystals. Nat Mater, 17, 394(2018).

[11] Y Liu, G Z Shi, Z K Liu et al. Toward printable solar cells based on PbX colloidal quantum dot inks. Nanoscale Horiz, 6, 8(2021).

[12] G H Carey, A L Abdelhady, Z J Ning et al. Colloidal quantum dot solar cells. Chem Rev, 115, 12732(2015).

[13] R Saran, R J Curry. Lead sulphide nanocrystal photodetector technologies. Nat Photonics, 10, 81(2016).

[14] O Voznyy, B R Sutherland, A H Ip et al. Engineering charge transport by heterostructuring solution-processed semiconductors. Nat Rev Mater, 2, 17026(2017).

[15] D P Li, J R Ma, W B Liu et al. Enhancing performance of inverted quantum-dot light-emitting diodes based on a solution-processed hole transport layer via ligand treatment. J Semicond, 44, 092603(2023).

[16] X W Qu, X W Sun. Impedance spectroscopy for quantum dot light-emitting diodes. J Semicond, 44, 091603(2023).

[17] J Fenner, A Rabenau, G Trageser. Solid-state chemistry of thio-, seleno-, and tellurohalides of representative and transition elements. Advances in Inorganic Chemistry and Radiochemistry. Amsterdam: Elsevier, 329(1980).

[18] B Krebs. Die kristallstrukturen von Pb4SeBr6, Pb5S2J6 and Pb7S2Br10. Z Für Anorg Und Allg Chem, 396, 137(1973).

[19] S Toso, Q A Akkerman, B Martín-García et al. Nanocrystals of lead chalcohalides: A series of kinetically trapped metastable nanostructures. J Am Chem Soc, 142, 10198(2020).

[20] M Imran, L C Peng, A Pianetti et al. Halide perovskite–lead chalcohalide nanocrystal heterostructures. J Am Chem Soc, 143, 1435(2021).

[21] S K Dutta, L C Peng, B Hudait et al. Halide perovskite cluster precursors: A paradigm for obtaining structure- and color-tunable light-emitting nanocrystals. ACS Energy Lett, 7, 3177(2022).

[22] H W Qiu, F Li, S He et al. Epitaxial CsPbBr3/CdS Janus nanocrystal heterostructures for efficient charge separation. Adv Sci, 10, 2206560(2023).

[23] S Toso, M Imran, E Mugnaioli et al. Halide perovskites as disposable epitaxial templates for the phase-selective synthesis of lead sulfochloride nanocrystals. Nat Commun, 13, 3976(2022).

[24] M Vafaie, J Z Fan, A Morteza Najarian et al. Colloidal quantum dot photodetectors with 10-ns response time and 80% quantum efficiency at 1, 550nm. Matter, 4, 1042(2021).

[25] M X Liu, O Voznyy, R Sabatini et al. Hybrid organic-inorganic inks flatten the energy landscape in colloidal quantum dot solids. Nat Mater, 16, 258(2017).

[26] W S Shen, Y Liu, L Grater et al. Thickness-variation-insensitive near-infrared quantum dot LEDs. Sci Bull, 68, 2954(2023).

[27] S Pradhan, M Dalmases, N Taghipour et al. Colloidal quantum dot light emitting diodes at telecom wavelength with 18% quantum efficiency and over 1 MHz bandwidth. Adv Sci, 9, 2200637(2022).

[28] Y Liu, Y Y Gao, Q Yang et al. Breaking the size limitation of directly-synthesized PbS quantum dot inks toward efficient short-wavelength infrared optoelectronic applications. Angew Chem Int Ed, 62, e202300396(2023).

[29] J Y Woo, J H Ko, J H Song et al. Ultrastable PbSe nanocrystal quantum dots via in situ formation of atomically thin halide adlayers on PbSe(100). J Am Chem Soc, 136, 8883(2014).

[30] I Moreels, Y Justo, B De Geyter et al. Size-tunable, bright, and stable PbS quantum dots: A surface chemistry study. ACS Nano, 5, 2004(2011).

[31] P B Green, Z Q Li, M W B Wilson. PbS nanocrystals made with excess PbCl2 have an intrinsic shell that reduces their stokes shift. J Phys Chem Lett, 10, 5897(2019).

[32] P B Green, F Y Villanueva, K Z Demmans et al. PbS nanocrystals made using excess lead chloride have a halide-perovskite-like surface. Chem Mater, 33, 9270(2021).

[33] S Brittman, A E Colbert, T H Brintlinger et al. Effects of a lead chloride shell on lead sulfide quantum dots. J Phys Chem Lett, 10, 1914(2019).

[34] M A Hines, G D Scholes. Colloidal PbS nanocrystals with size-tunable near-infrared emission: Observation of post-synthesis self-narrowing of the particle size distribution. Adv Mater, 15, 1844(2003).

[35] W K Bae, K Char, H Hur et al. Single-step synthesis of quantum dots with chemical composition gradients. Chem Mater, 20, 531(2008).

[36] W N Nan, Y Niu, H Y Qin et al. Crystal structure control of zinc-blende CdSe/CdS core/shell nanocrystals: Synthesis and structure-dependent optical properties. J Am Chem Soc, 134, 19685(2012).

[37] R T Lechner, G Fritz-Popovski, M Yarema et al. Crystal phase transitions in the shell of PbS/CdS core/shell nanocrystals influences photoluminescence intensity. Chem Mater, 26, 5914(2014).

[38] Z K Liu, Y X Zhong, I Shafei et al. Tuning infrared plasmon resonances in doped metal-oxide nanocrystals through cation-exchange reactions. Nat Commun, 10, 1394(2019).

[39] L K Sagar, W Walravens, Q Zhao et al. PbS/CdS core/shell quantum dots by additive, layer-by-layer shell growth. Chem Mater, 28, 6953(2016).

[40] B Fisher, J M Caruge, D Zehnder et al. Room-temperature ordered photon emission from multiexciton states in single CdSe core-shell nanocrystals. Phys Rev Lett, 94, 087403(2005).

[41] L Jin, G Sirigu, X Tong et al. Engineering interfacial structure in "Giant" PbS/CdS quantum dots for photoelectrochemical solar energy conversion. Nano Energy, 30, 531(2016).

[42] C J Imperiale, F Yarur Villanueva, E Nikbin et al. Direct synthesis of ultrasmall PbS nanocrystals passivated with a metal-halide-perovskite-like monolayer. Chem Mater, 36, 4121(2024).

[43] D R Ni, S Guo, K M Powderly et al. A high-pressure phase with a non-centrosymmetric crystal structure in the PbSe–PbBr2 system. J Solid State Chem, 280, 120982(2019).

[44] A Rabenau, H Rau. Über sulfidhalogenide des bleis und das Pb4SeBr6. Z Für Anorg Und Allg Chem, 369, 295(1969).