Tunable π-conjugated paths within molecular crystals were realized via steric hindrance and conformation-confined strategies. “Butterfly” with “orthogonal” wings exhibits an unusual hypsochromic-shift emission compared to solutions, which originates from reduced conjugation. Surprisingly, it demonstrates superiority in low-loss optical waveguides, deep-blue amplified spontaneous emission and unique piezochromic bathochromic-shift emission.

中文翻译：

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构象受限的有机蝶形分子，具有高光致发光效率、深蓝色放大自发发射和独特的压变色发光


分子晶体内的可调 π 共轭路径是通过空间位阻和构象受限策略实现的。与溶液相比，具有“正交”翅膀的“蝴蝶”表现出不寻常的催色偏移发射，这源于还原的共轭。令人惊讶的是，它在低损耗光波导、深蓝色放大自发发射和独特的压变色巴变色偏移发射方面表现出优越性。