[1] LIU Dandan, SHI Chengwu, LI Xueliu et al. CH3NH3PbI3 thin films prepared by pulsed laser deposition for optoelectronic applications[J]. Materials Letters, 188, 271-274(2017).

[2] ZHANG Fei, ZHU Kai, LU Haipeng et al. Advances in two-dimensional organic-inorganic hybrid perovskites[J]. Energy & Environmental Science, 13, 1154-1186(2020).

[3] KIM Y H, CHO H, HEO J H et al. Multicolored organic/inorganic hybrid perovskite light-emitting diodes[J]. Advanced Materials, 27, 1248-1254(2015).

[4] MA Shuang, DING Yong, CAI Molang et al. Two-dimensional organic-inorganic hybrid perovskite: from material properties to device applications[J]. Science China Materials, 61, 1257-1277(2018).

[5] CHENG Pengfei, HAN Keli, SUN Lei et al. Colloidal synthesis and optical properties of all-inorganic low-dimensional cesium copper halide nanocrystals[J]. Angewandte Chemie, 131, 16233-16237(2019).

[6] JUN T, HANDA T, SIM K et al. One-step solution synthesis of white-light-emittingfilms via dimensionality control of the Cs-Cu-I system[J]. APL Materials, 7, 111113(2019).

[7] LI Ruiping, CHENG Yingchun, WANG Rong et al. Defect origin of emission in CsCu2I3 and pressure-induced anomalous enhancement[J]. The Journal of Physical Chemistry Letters, 12, 317-323(2020).

[8] SHEN Yang, LI Yanqing, WANG Jingkun et al. Interfacial “anchoring effect” enables efficient large-area sky-blue perovskite light-emitting diodes[J]. Advanced Science, 8, 2102213(2021).

[9] ROCCANOVA R, SAPAROV B, AYMEN Y et al. Near-unity photoluminescence quantum yield in blue-emitting Cs3Cu2Br5-xIx (0≤x≤5)[J]. ACS Applied Electronic Materials, 1, 269-274(2019).

[10] ZHOU Zhicong, HALPERT J, LI Yanyan et al. Rapid synthesis of bright, shape-controlled, large single crystals of Cs3Cu2X5 for phase pure single (X=Br, Cl) and mixed halides (X=Br/Cl) as the blue and green components for printable white light-emitting devices[J]. Advanced Materials Interfaces, 8, 2101471(2021).

[11] HUANG Yanyi, TANG Xiaosheng, LIANG Chengyao et al. Surface ligand engineering for a lead-free Cs3Cu2Br5 microcrystal-based humidity sensor with a giant response[J]. The Journal of Physical Chemistry Letters, 12, 3401-3409(2021).

[12] APPLEBY G, ZIMMERMANN J, HESSE S et al. Photoluminescence and photostimulated luminescence of oxygen impurities in CsBr[J]. Journal of Applied Physics, 109, 013507(2011).

[13] DAVIS E A, MOTT N F. Conduction in non-crystalline systems V. Conductivity, optical absorption and photoconductivity in amorphous semiconductors[J]. Philosophical Magazine, 22, 0903-0922(1970).

[14] ZHOU Zhiying, ZHAO Fengzhou, HE Shunli et al. Enhanced self-powered CsCu2I3/GaN heterojunction UV photodetectors based on highly oriented CsCu2I3 thin films[J]. Journal of Alloys and Compounds, 966, 171573(2023).

[15] GAO Pan, GU Mu, LIU Xiaolin et al. X-ray excited luminescence of cuprous iodide single crystals: on the nature of red luminescence[J]. Applied Physics Letters, 95, 221904(2009).

[16] LIANG Wenqing, CHEN Xu, LI Ying et al. A solution-processed ternary copper halide thin films for air-stable and deep-ultraviolet-sensitive photodetector[J]. Nanoscale, 12, 17213-17221(2020).

[17] LIANG Wenqing, SHI Zhifeng, LI Ying et al. Strategy of all-inorganic Cs3Cu2I5/Si-core/shell nanowire heterojunction for stable and ultraviolet-enhanced broadband photodetectors with imaging capability[J]. ACS Applied Materials & Interfaces, 12, 37363-37374(2020).

[18] LI Xiaoxuan, ZHANG Lichun, ZHOU Xiaoyu et al. Deep-ultraviolet photodetector based on pulsed-laser-deposited Cs3Cu2I5 films/n-Si heterojunction[J]. Optics Letters, 46, 4252-4255(2021).

[19] YANG Jie, DU Juan, KANG Wei et al. High-performance deep ultraviolet photodetector based on a one-dimensional lead-free halide perovskite CsCu2I3 film with high stability[J]. The Journal of Physical Chemistry Letters, 11, 6880-6886(2020).

[20] LI Tianyu, CHEN Xu, MA Jingli et al. Antisolvent-processed one-dimensional ternary rubidium copper bromine microwires for sensitive and flexible ultraviolet photodetectors[J]. ACS Applied Materials & Interfaces, 13, 49007-49016(2021).

[21] DUTTA M, BASAK D. p-ZnO/n-Si heterojunction: Sol-gel fabrication, photoresponse properties, and transport mechanism[J]. Applied Physics Letters, 92, 212112(2008).