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January 18, 2026

Strategically designed deep-ultraviolet optical crystals with balanced properties by small heteroatom substitution

MHMei HuXinjiang University ZWZhencheng WuYili Normal University XSXin SuHarbin Institute of Technology

Key Points

The aim is to synthesize deep-ultraviolet optical crystals with balanced properties using heteroatom substitution.
Integration of SO3NH2 and C(NH2)3 through small heteroatom substitution.
Synthesis of α-C(NH2)3SO3NH2 and β-C(NH2)3SO3NH2 under specific conditions.
Characterization of crystals using X-ray diffraction.
α-C(NH2)3SO3NH2 shows specific performance metrics at 190 nm and 0.068@546 nm.
β-C(NH2)3SO3NH2 exhibits higher efficiency with 1.41 × KDP at similar wavelengths.
Both synthesized crystals demonstrate balanced optical properties.

Abstract

Synergistic integration of SO 3 NH 2 and C(NH 2 ) 3 via small heteroatom substitution balances properties. α-C(NH 2 ) 3 SO 3 NH 2 ( P 2 1 / c : 190 nm, 0.068@546 nm) and β-C(NH 2 ) 3 SO 3 NH 2 ( Iba 2: 190 nm, 1.41 × KDP, 0.074@546 nm) were successfully synthesized.

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